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How to resolve one-way or no-way audio on VoIP calls
http://info.teledynamics.com/blog/how-to-resolve-one-way-or-no-way-audio-on-voip-calls#:~:text=One%20of%20the%20most%20common%20challenges%20involves%20a,of%20one-way%20and%20no-way%20audio%20on%20VoIP%20calls.
How to troubleshoot one-way and no-way audio on VoIP …
http://info.teledynamics.com/blog/how-to-troubleshoot-one-way-and-no-way-audio-on-voip-calls
If you deal with Voice over IP (VoIP), you must have come across this scenario at one time or another: A user complains that when they answer their phone, the caller can’t hear them, even though they can hear the calling party. Or, it may be that neither party can hear the other and there is just silence on the line.
No audio on incoming VoIP - Spiceworks
https://community.spiceworks.com/topic/2106218-no-audio-on-incoming-voip
HP 2510-48g switches, Sonicwall NSA 240; not sure about the VoIP system - another company handles it. Users at one of our sites reported that the incoming calls do not have audio. They hear the phone ring, but when they pick, it's silent on other end. The phone tech came by, ran bunch of tests with wireshark and whatever else, and it looked like he couldn't …
How to resolve one-way or no-way audio on VoIP calls
http://info.teledynamics.com/blog/how-to-resolve-one-way-or-no-way-audio-on-voip-calls
In particular, NAT is a common cause of one-way and no-way audio on VoIP calls. In this article, we dive into how NAT can impair voice sessions, cite some common symptoms that indicate NAT may be at the root of your call audio problems, and address how to resolve the issues. Signs that NAT could be the issue.
The causes of No-Audio and One-Way-Audio VoIP Calls ...
https://blog.kolmisoft.com/the-causes-of-no-audio-and-one-way-audio-voip-calls/
The RTP ports might not be open. Sometimes it is necessary to open ports and forward them correctly. Without this, the audio will not be able to reach its intended recipient. RTP traffic is being misrouted Network Routing. VoIP uses IP to send voice packets as the usual traffic, and is governed by the same network rules.
Solved: No Inbound audio T1 PRI to VoIP - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/no-inbound-audio-t1-pri-to-voip/td-p/2114062
When call inbound calls arrive from the PRI the call is routed to the proper IP phone but no audio is heard. Audio works from the VoIP phone to the PSTN side. My T1 controller counters are clean and isdn status is MULTIPLE_FRAME_ESTABLISHED. This is a new install so my dial plan is simple: dial-peer voice 20 pots. destination-pattern 9.T.
9 VOIP problems and solutions (A troubleshooting guide)
https://blog.yootok.com/voip-problems-and-solutions/
Check your bandwidth. If your company has a separate dial-up modem, an alarm system on the network or a caller ID system, these could be the problem. Turn on auto updates (of software and VoIP hardware and all equipment) where possible. Double check with your service provider that you are on the most current version.
How to troubleshoot one-way / no audio issues - Cisco ...
https://community.cisco.com/t5/collaboration-voice-and-video/how-to-troubleshoot-one-way-no-audio-issues/ta-p/3164442
Sometimes the users even refer to these as "dropped calls" because they get a call, there is no audio and after a few seconds they hear reorder tone, (fast busy), this happens because the caller cannot hear the called phone and it's getting dead air and hang up, or maybe they can hear the other end, but realize that the called phone cannot hear them and hang up.
Top 5 VoIP Complaints and how to correct these Issues
https://www.voipmechanic.com/voip-top-5-complaints.htm
The loss of incoming calls. If the IAD (aka ATA) is unable to register with your VoIP provider, …
No voice on incoming calls. - VoIP Services by VOIPO
https://www.voipo.com/forums/showthread.php/3012-No-voice-on-incoming-calls
I have had incoming call issues the last two Saturdays. Last week the issue was that incoming calls were going straight to voicemail. After rebooting the Grandstream HT502 the issue was gone. Today I'm having an issue of incoming calls not having any audio. I did a test call from my mobile phone, my wife picked up and I could not hear anything from her, but she could …
Sipgate - No incoming audio - SIP Sorcery Community …
http://forum.sipsorcery.com/viewtopic.php?t=1795
I have no incoming audio with either when it comes to sipgate. Also the call will hang up after about 30 seconds. Prior to last Sunday, incoming calls were fine with Sipgate via Sipsorcery, both local and .com. I am wondering if Sipgate has changed something? My Gizmo/GV are fine for both incoming & outgoing audio and calls.
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