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Posts: 12 | Thanked: 1 time | Joined on Jun 2010
#1
I'm having trouble with INCOMING SIP calls from a Cisco Unified Call Manager System.

The outgoing calls work ok, but incoming ones are dropped as soon as i hit Answer. So all incoming calls are treated like "Rejected" by N900.
It's strange because the Cisco Unified Call Manager System works for some time, and no changes were made to it. I'm running PR 1.3.

I tried a lot of settings, including UDP transmission, no stun etc... but unfortunately no luck..

I've attached some debugging logs. Can you see any problem?

Thanks in advance...
Attached Files
File Type: zip syslog4.zip (3.1 KB, 201 views)
 
Posts: 10 | Thanked: 3 times | Joined on Feb 2011
#2
I have the same issue with CUCM 8.03. Outgoing calls are fine but incoming calls to the n900 result in an immediate hangup for some reason. Tried sip basic and sip advanced on the CUCM side. Any insight or help would be greatly appreciated...my e71 (and even e61i for that matter) could handle sip calls with the call manager flawlessly...
 
Posts: 22 | Thanked: 3 times | Joined on Apr 2010
#3
I have tried with CCM 7.1.3 and have the same problem. I think there is a SIP compatibility problem with Cisco because with pbx asterisk runs perfectly.
 
Posts: 10 | Thanked: 3 times | Joined on Feb 2011
#4
Have you tried contacting Cisco support about this issue? I might file a support request with Cisco TAC and see if they are even remotely interested in resolving the problem (unlikely) ...
 
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