Range of Ports RTP endpoints TC changed after registering with CUCM

Hello community,

We have SX80 endpoints running TC7.3.2 and registered at CUCM 11.

By default the TC ports rank 2326-2487 UDP RTP endpoints. After registering with CUCM, the range of ports have been changed to 16384 to 32766. In my view, WHAT CUCM change the codec settings.

Based on the http://www.cisco.com/c/dam/en/us/td/docs/telepresence/endpoint/codec-c-series/tc7/administration-guide/administering-endpoints-running-tc72-on-ucm1051.pdf guide I couldn't see any setting to do with RTP ports.

This is a problem for us, because on the firewall rules, we have configured and fixed ports for points endpoints use the default go 2326-2487 UDP. Because these endpoints and video infrastructure (servers of telepresence, TCS, VCS) are on different networks separated by firewalls. At present, when recording and join the conference bridge there are no media because ports have been changed. When I change the default port range, there is no problem with the media. I can record and call to the conference bridge hosted by a TP server successfully. And if I hit the button refresh on the web GUI of the codec, 16384 to 32766 changes the settings.

Y at - it a setting that I could check on the side of CUCM?

Thanks in advance.

«By default the endpoints ports rank 2326-2487 UDP RTP TC.» After registering with CUCM, the range of ports have been changed to 16384 to 32766. "I believe THAT CUCM change the codec settings".

Yes, it's true. Once your video endpoint is configured and registered on the CUCM, the CUCM will be more than just the default settings of your endpoint. It depends on the SIP profile has been used and applied for your endpoint. You need to check that the configuration of the SIP profile of the CUCM applied for your endpoint. In your case if it's SX80, check the SIP for SX80 profile and change the start and stop media ports. It comes to the RTP port range.

In your case:

Port of bootable media: 2326

Stop Media Port: 2487

Kind regards

Acevirgil

Tags: Cisco Support

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