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SIP - No audio or one way audio :: Zoiper
https://www.zoiper.com/en/support/answer/for/android/11/SIP_-_No_audio_or_one_way_audio
When using SIP protocol one way or missing auido issues mostly appear due to configuration problems. The issues usually appear if the configuration is not …
No Incoming Audio - Acrobits
https://faq.acrobits.net/no-incoming-audio
This usually means the incoming audio is not reaching the device and could be a problem with NAT traversal. You can try to bypass NAT traversal by adding a STUN Server. 1. Tap on settings, then SIP Accounts, then your SIP Account. Tap on advanced settings, then NAT traversal. Try with it set to Auto, Off and STUN.
SIP Trunk - No audio - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/sip-trunk-no-audio/td-p/2967517
I configured the follow , but during the call there is no audio on both sides, could you help me? version 15.1 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption! hostname Router! boot-start-marker boot-end-marker!!! no aaa new-model dot11 syslog ip source-route!!!!! ip cef no ipv6 cef
Sipgate - No incoming audio - SIP Sorcery Community …
http://forum.sipsorcery.com/viewtopic.php?t=1795
calls hanging up after 30s (it's actually normally 32s) are often due to a problem with the sip signalling and specifically the ack request. however with incoming calls the ack would be coming from the sipgate end and unlike some other sip servers the sipsorcery server does not take the drastic action of hanging up the call if the ack does not …
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
SIP ALG is a firewall setting that can either be enabled or disabled -- generally, the audio issues occur when it's enabled. (3) Incompatible Codecs When a VoIP call is initiated between two phones, they negotiate and choose a codec that is available to both devices.
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
One tell-tale sign that NAT is at the root of this issue is if there is no audio on a call that has nonetheless been successfully connected (i.e., the call timer is counting as if the call is in effect, but there is no sound).
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/
A no-audio call is when you have a call between two phones, and neither of them can hear the other. Without going deeply into the networking stuff, it is important to remember that a call consists of the signaling part (SIP) and the media part (RTP). When a call connects initially, that indicates that the signaling part works OK.
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
How to check really quick if the phones are sending / receiving RTP (audio). * Open the web page for 2 test phones, then click the 'stream 1' link located at the left handed side of the page, and check if the IP address and port match the information on both sides, keep pressing the 'stream 1' link and you will notice that the Tx and Rx stats ...
No audio on incoming VoIP - Spiceworks
https://community.spiceworks.com/topic/2106218-no-audio-on-incoming-voip
If the wireshark capture only captures your audio / outbound audio only, then it could be a firewall, SIP settings, port-forwarding or provider issue. If wireshark doesn't capture ANY audio, than it's likely that only your initial SIP session is working and that your RTP stream/s (10000-20000, by default for SIP) are not being set up properly.
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