IPMA -Both phones in a pair ring simultaneously

Unanswered Question
Apr 18th, 2007


I have a question about IPMA configured for proxy mode on CCM 4.1(3).

Is it possible to have the assistant/manager pair of phones ring simultaneously for an incoming call?



I have this problem too.
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rob.huffman Fri, 04/20/2007 - 06:12

Hi Nadia,

I thought that this was a pretty interesting question. Unfortunately, after much searching I can't find a way to accomplish what you are looking for. I am guessing that you want Sahred-Line funtionality (where both phones do ring simultaineously) with a Proxy-Line setup. I can't see this being possible :(

Hope this helps! I know that it probably doesn't.


nbassel Fri, 04/20/2007 - 07:12

Hi Rob,

I too was unable to find any information on this request.

Is it possible to setup a shared-line configuration for this pair while keeping the config for other pairs using Proxy mode?

Thank you,


rob.huffman Fri, 04/20/2007 - 09:50

Hi Nadia,

It is possible to run both Shared-Line Mode and Proxy-Line mode in the same CCM cluster. Have a look;

The Cisco IP Manager Assistant (Cisco IPMA) feature enables managers and their assistants to work together more effectively. Cisco IPMA supports two modes of operation: proxy line support and shared line support. The Cisco IPMA service supports both proxy line and shared line support simultaneously in a cluster.

Note: Cisco IPMA with proxy line support coexists in the same Cisco CallManager cluster with Cisco IPMA with shared line support.

From this excellent doc;


Hope this helps!


nbassel Fri, 04/20/2007 - 10:41

Hi Rob,

Thank you for the information and the link provided.



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