delay issue in IP Phones

Unanswered Question
Jul 20th, 2007
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I have an issue mentioned below:

The Issue: Our Call Manager is located in one location, and there are over 300 phones in another location that get their call signal from the Call

Manager .

During times of heavy traffic on the WAN line, call setup and tear down by the Call Manager are delayed up to 10 seconds.

I would like to know the cause behind this



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Chris Deren Fri, 07/20/2007 - 11:38
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    2017 IP Telephony, Contact Center, Unified Communications

Since this is happening during high congestion times the issue lies lack of QoS or misconfigured QoS.

What is the WAN connection transport?

Do you have any QoS on it? If so, can you please post the config here?


cscarindam14 Fri, 07/20/2007 - 11:58
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Hello Chris,

Thanks for yours prompt reply. We do have QOS and even I suspect the problem to be there with QOS.

As requested by you I am attaching the show tech of the main router in the location where the call manager resides.


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