SIP phones registration in Cisco Unified Call Manager Express

SIP phones registration in Cisco Unified Call Manager Express

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Subject Author Date
SIP phones registration in Cisco Unified Call Manager Express vhuertas 09-22-2008
Posted by on September 22, 2008, 3:30 am
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Hi all!

I have a pair of questions that I would like somebody expert in CUCME
(Cisco Unified Call Manager Express) to answer:

1. According to what I have read so far, it seems that the only way to
register a SIP phone regardless of being Cisco or non-Cisco is to
previously configure in CUCME its MAC address along with user alias
and authentication. So everything must be statically configured
beforehand and a particular user is statically assigned to a
particular device. I find it very rigid and a bit disappointing in my
oppinion because in my company we have no fixed desktop and we have an
Alcatel VoIP solution. You can log-in in any device you find with your
username and password and transform it in your extension automatically
(it is like Mobile Extension capability) with no previous confiuration
at the PBX. There is no static and permament assignation between
device and end user, which I find very flexible and confortable. Is it
possible to implement it easily in a CUCME as well?

2. Does anybody know how to register H.323 endpoint in the CUCME? I
would like CUCME implement a inner gatekeeper in the same way as the
SIP registrar does.

Sorry for this long post and thanks for your attention. It is really
appreciated.

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other useful resources:
The Federal Communications Commission (FCC)
Telecommunications Industry Association
Electronic and Software Security Products and Services
International Telecommunication Union

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