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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
SIP - No audio or one way audio ( on Android) « Back ... Try enabling or disabling RPORT for signalling, save the changes and try to make a call. If the issue …
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
Four common culprits to one-way or no-way audio on VoIP calls with troubleshooting tips. ... but the SIP control ports are not, then calls can be set up and teared down successfully without any successful exchange of voice packets. The vast majority of one-way or no-way audio problems are a result of the blockage of RTP ports for the voice stream.
SIP Trunk - No audio - Cisco Community
https://community.cisco.com/t5/ip-telephony-and-phones/sip-trunk-no-audio/td-p/2967517
Hi, 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-mode...
Solved: SIP trunk - Audio not connecting on incoming call ...
https://community.cisco.com/t5/ip-telephony-and-phones/sip-trunk-audio-not-connecting-on-incoming-call-when-greeting-is/td-p/4156600
When you transfer a call UCM will send a number of SIP messages to the CUBE to change the audio end point. These messages only need to go to the CUBE as that is the device that switches the audio, they do not need to be sent on to the PSTN/SIP provider. You can make the CUBE handle these messages without passing them on.
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/
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. But if the media part malfunctions, then we have a one-way-audio or no-audio problem.
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