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.

[Mohammed al Baqari]

No, CUCM doesn't set in the media path generally (unless software media
resource in invoked).

Since you have a direct trunk to itsp, I suggest to use port span on the
switch port where the phone is connected to another port which has a
machine with wireshark. This will help you to capture RTP stream