Call stuck

Unanswered Question
Jul 17th, 2007
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Hi all,


This is again a strange problem. I have one IP phone using device pool A. This IP phone cannot place call but it can receive a call. I do a detailed trace on the phone, and the result is attached.


When I change the device pool to B, the problem resolved. The call processing is doing well. And when I change the device pool back to A, the problem appears again.


Device pool A and B is different in the CCM group.

It seems that there is a sort of cache in the primary Call Manager where the phone is registered.


Any explanation of why this happen ?

I really tired of the problems in Cisco IP Telephony infrastructure. Although the problems are not critical, but these problems really make me dizzy all the time. Fyuh..


Wiyandi



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Anonymous (not verified) Mon, 07/23/2007 - 10:16
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The problem is related to CODEC mismatch or Bandwidth issues in region -A, check it out

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