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Integration between Cisco Communication Manager and CME/CUE

Posted on 2011-10-24
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We have a Communication cluster in our main office.  We also have six remote offices all running Call Manager Express.  Is there any tie together that can take place between the systems?  In a perfect world, I would convert each office to SRST and tie them all back into our cluster, but unfortunately cost is not allowing it.

So my real question is can we tie the systems together (CUCM and CME) in any fashion, like call routing, call forwarding, etc? Or do they need to remain non contiguous?  Thanks
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Question by:CAITMAN
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José Méndez earned 1000 total points
ID: 37019864
By non-contiguous you touch the dialplan topic, extension contiguity, however you may still achieve this as the administrator of all the systems by managing separate dialplans on each site/device, acting as a whole.

You may tie them together through SIP trunks or H.323 trunks (H.323 gateways in CallManager).

Site A: extensions 1000 would call each other, the CME at that site will handle the routing internally.
Site B: extensions 2000 can be called by pointing to a H.323 or SIP trunk.
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by:CAITMAN
ID: 37019953
We are running MGCP gateways at our headquarters.  Would we then need to add a H323 gateway at each site?
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by:José Méndez
ID: 37020499
Wait a sec, you said
We also have six remote offices all running Call Manager Express
so, I imagined phones registered to the CMEs at each site. Anyhow, you may still run MGCP along H.323 on the same device.
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by:CAITMAN
ID: 37020609
Thats correct all remote offices have phones that register to their local CME.
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by:José Méndez
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Ok so you should be able to inter-trunk them with SIP or H.323.
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