CUCM SIP Trunk with service provider for Webex and observing static /hissing sound / voice break with the Cisco WebEx audio conferencing system

[sandip.khandekar]

we have been observing issues such as static /hissing sound / voice break with the Cisco WebEx audio conferencing system.

We have direct SIP Trunk with Service provider from CUCM To service proider.

We have Route pattern : 16000 ( service

When user dial 16000 confrance nubmer and connected but getting hissing sound and voice break.

I have one question :

Is it possible to capture RTP packets via CUCM CLI using below commands.

Utils packet capture etho file packet count 100000 size all host IP xx.xx.xx.xx ( SIP Trunk service provider IP) any any.

Please help me how to RTP packet and how to resolve this issue.

[Leonardo Santana]

Hello,

Check this links:

https://community.cisco.com/t5/collaboration-voice-and-video/packet-capture-on-cucm-appliance-model/ta-p/3118507

https://www.cisco.com/c/en/us/support/docs/voice/voice-quality/211299-Troubleshoot-Voice-Quality-Issues.html

https://community.cisco.com/t5/collaboration-voice-and-video/how-to-troubleshoot-voice-quality-issues-in-a-ucm-environment/ta-p/3121613

This issue occurs only with Webex Conferences? Or with all calls that go to this SIP Trunk to the ITSP?

Regards

Leonardo Santana

[sandip.khandekar]

Only WebEx confrance ..
We have direct trunk for WebEx
We have one rp 16000 with provider for this