Cucm One Way Audio

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

This example shows a one-way audio, the call flow is SIP phone calls an SCCP phone . SIP phone relevant info is marked in blue. SCCP phone …

CUCM One-way audio and MTP Problems - Cisco Community

https://community.cisco.com/t5/ip-telephony-and-phones/cucm-one-way-audio-and-mtp-problems/td-p/3031464

The one-way audio is not always happening, its intermittent. During normal working calls via the external SIP Provider, all RTP packets are being sent from IP phone to CUCM, which forwards it to the SIP provider. When we have one-way audio issues, the RTP media packets are being sent directly to the SIP provider from the IP Phone.

Solved: CUBE: one way audio - Cisco Community

https://community.cisco.com/t5/ip-telephony-and-phones/cube-one-way-audio/td-p/2797681

Leg 1 of the call. Iinternal ip phone is sending media to10.75.32.241 (it looks like cucm is invoking a xcoder/mtp for this call), the CUBE is also sending its media to the xcoder which is itself. leg 2 of the call.. CUBE is sending media to 193.246.244.68 and ITSP is sending media to 192.168.10.2.

Troubleshooting Guide for Cisco Unified …

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/trouble/11_5_1/cucm_b_troubleshooting-guide-1151/cucm_b_troubleshooting-guide-1151_chapter_0100.html

Troubleshooting One Way Voice Issues - Cisco

https://www.cisco.com/c/en/us/support/docs/voice/voice-quality/5219-fix-1way-voice.html

One-way Audio after Hold Retrieve from Cisco CUCM ...

https://support.yeastar.com/hc/en-us/articles/360033460914-One-way-Audio-after-Hold-Retrieve-from-Cisco-CUCM-Extension

The one-way audio issue happens when the call is retrieved from hold by CUCM extension. One-way audio after call established. In the case of One-way Audio after Hold Retrieve from Cisco CUCM Extension: PCAP log show the call flow is complete, but the TG didn't send RTP packets to the CUCM media server after hold retrieve. Analysis.

How to solve VoIP one way audio- step by step.

https://www.voipmechanic.com/voip-one-way-audio.htm

If one way audio still exists check to see if you have a public or private (192.168.1.xxx) IP address. Public IP- Call your VoIP provider. If you are getting one-way audio with a public IP address, there is an issue with the way the VoIP provider is handling the call.

How to punch SIP One Way Audio in the face - UCPros

https://ucpros.net/sip-one-way-audio/

The problem can be one-way audio or no audio at all when both RTP streams can’t find their way. Each phone will listen and send RTP on different port numbers, as published in the SDP. Now that you understand the basics of how RTP works, we can go ahead and start punching one way audio in the face.

Experiencing One Way Audio When Connecting via SIP

https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000PLooCAG

Experiencing one-way audio when connecting via SIP (Session Initiation Protocol). Environment PAN-OS Cause SIP (Session Initiation Protocol) allows two endpoints to establish media sessions with each other. This is an application layer signaling protocol. The main signaling functions of the protocol are as follows: – Location of an end point.