Using Non-Gatekeeper Controlled Intercluster Trunks

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Oct 14th, 2009
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I've joined two clusters together and would like to know if anyone has an answer to a question I have. In a normal call in a single cluster, two phones send the rtp streams to each other until they hang up. If a phone makes an offnet call, the two endpoints are the phone and the gateway that terminates the PRI. I'm having trouble (for whatever reason) finding explicit detail on the call flow of a call involving an non-gatekeeper controlled intercluster trunk. My impression is that the CUCM clusters are involved as endpoints in the rtp stream, and the reason I think that is because I've noticed severe call quality degradation when the CUCM servers are stressed (I'm running the test on vmware, so the effects are pronounced and easy to duplicate.)

Can someone let me know if I'm understanding the call flow correctly?

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Jaime Valencia Thu, 10/15/2009 - 05:36
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No, RTP is always between endpoints.


An ICT nonGK controlled is just a SW emulation of an H323 GW, only signaling is exchanged


HTH


java


if this helps, please rate


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