[cisco-voip] SIP between CUCM clusters

[Carlo Calabrese]

This is the problem I am having. Intercluster turnks are H323 based not sip.
I have them built now, but it breaks all sorts of stuff.

multicast, not building rtp streams correctly. Dropped calls DTMF.

 

From: Kenneth Hayes [mailto:kennethwhayes at gmail.com] 
Sent: Wednesday, June 05, 2013 3:26 AM
To: Carlo Calabrese
Subject: Re: [cisco-voip] SIP between CUCM clusters

 

That would be call a Intercluster trunk. Build it like you would a regular
SIP trunk but instead of selecting SIP trunk go to Trunk->Add New->Trunk
type should be InterCluster Trunk Non-Gatekeeper Controlled" put in the
required information and I'm not sure if MTP is needed or not it's been
awhile since I've done a ICT but that should get you going. Also you will
have to make sure you have the correct PT's and CSS on both ends and
dial-plan modifications.

 

On Wed, Jun 5, 2013 at 12:19 AM, Carlo Calabrese
<carlo_calabrese2006 at yahoo.com> wrote:

Has anyone done a sip trunk between CUCM clusters? I am running 8.6 in
production and 8.0 in the lab.

I can make it work with intercluster trunks ok. But I keep running into odd
bugs with calls going from sip to h323 back to sip

Or can you point me in the right direction.

 

Thanks.

 


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