Implementing SIP as a provider

Answered Question
Mar 15th, 2010

Hi all.  Im looking at implementing a SIP T1 to our facility and Im trying to learn some things about it and what I would need.  Ive looked over a few documents, and I cant seem to get my head around what exactly is a "SIP Proxy Server".  I get the impression that its a callmanager server, but I cant seem to read anything that specifically says that.  I read that "The Cisco SIP Proxy Server is a software application that provides
call routing services in an Internet Protocol (IP) telephony network.", which sounds like what callmanager does.  Am I correct in thinking that a SIP Proxy Server IS in fact a callmanager?  Any help appreciated. 

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Correct Answer by DOMJAHN DAVID about 6 years 10 months ago

Since Callmanager (CUCM) isnt't suited for terminating SIP calls

a piece of SIP proxy functionality can be provided, called CUBE:

IP-Phone ---- CUCM --- CUBE --- SIP Provider

Cisco Unified Border Element runs on 26xx, 28xx, ... routers

and terminates SIP calls from your provider.

Just do a search for CUBE in the forum.

Cheers,

David

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Correct Answer
DOMJAHN DAVID Mon, 03/15/2010 - 15:13

Since Callmanager (CUCM) isnt't suited for terminating SIP calls

a piece of SIP proxy functionality can be provided, called CUBE:

IP-Phone ---- CUCM --- CUBE --- SIP Provider

Cisco Unified Border Element runs on 26xx, 28xx, ... routers

and terminates SIP calls from your provider.

Just do a search for CUBE in the forum.

Cheers,

David

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