Nicholas Matthews Mon, 03/30/2009 - 12:43

Your provider may be erroring out on the CUCM session refresh re-INVITE.

You can try increasing the value of the service parameter to see if you get different results:

SIP Session Expires Timer

-nick

Afragoso2009 Tue, 07/21/2009 - 08:10

Hi Nic

I having the same problem

In my case the call disconect after 15 minute , but on the router I have "min-se 1800 "

Does any thing to be done on the Call Manager ?

Brgds

Nicholas Matthews Tue, 07/21/2009 - 09:46

It sounds like you have a session refresh problem with the provider.

2 ways to fix this:

increase the timer extremely high

find out what part of the refresh is failing.

15 minutes points towards failure because 1800 = 30 minutes, and the refresh happens at half the session. You probably have a CUBE bug you're hitting in regards to re-invites, or do not have 'midcall-signalling passthru' configured, or something similar.

hth,

nick

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