[cisco-voip] CME-in-SRST mode with Extension Mobility

[Michael Thompson]

So the 'CME as SRST' is just setting the CME as the 'Default Gateway' or
'SRST Reference' in the UCM Device Pool.  I was anticipating more back end
communication between CME and UC to create a real dynamic SRST environment.
That makes a lot more sense to me now.

 

  _____  

From: kmarus at gmail.com [mailto:kmarus at gmail.com] On Behalf Of kmarus
Sent: Thursday, December 18, 2008 9:23 PM
To: Michael Thompson
Cc: Kelemen Zoltan; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] CME-in-SRST mode with Extension Mobility

 

There is 2 ways to setup cme-as-srst. The way that learns the extensions
like normal srst does, will not work with ext mobility. But, if you use the
static setup (prebuild extensions), where you create all your ephone and
ephone-dn's,then yes, it's fine. In that scenario though, you will need to
maintain phone configs in two places, the cme-as-srst, and the cm. You will
also need to create the EM device profiles in both places. 

More info see here:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guid
e/cmesrst.html#wp1011673





On Wed, Dec 17, 2008 at 9:54 PM, Michael Thompson <mthompson729 at gmail.com>
wrote:

good to know, didn't realize that the new 4.3 / 7.0 CME supported EM.

 

do you have a link on what the distinctions are between SRST and CME for
fallback?  from a coding standpoint, there isn't a ton of difference.  if
you can take full advantage of things like hunts, etc of CME...that's pretty
damn cool in my book.

On Wed, Dec 17, 2008 at 9:33 AM, Kelemen Zoltan <keli at carocomp.ro> wrote:

for the record, later CME versions (4.3+, I think) do support EM, and CME
can be used instead of SRST for SRST-like fallback nowadays :)

I haven't done this, so this isn't more than my 2c, but I think on one hand
it should work, but on the other, users, etc. will all need to be locally
defined and thus it has a good probability of confusing the users when the
system goes into fallback mode. The previously logged-in phones might fall
back to a logout profile, usernames/passwords are certainly not synchronized
between the two systems, so they might not match, and so on.

regards,
Zoltan

Michael Thompson wrote:


I don't think that CME supports EM in any form.

What is it you mean by CME in SRST?

------------------------------------------------------------------------

*From:* cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] *On Behalf Of *kmarus
*Sent:* Tuesday, December 16, 2008 7:42 PM
*To:* cisco-voip at puck.nether.net
*Subject:* [cisco-voip] CME-in-SRST mode with Extension Mobility

I am aware that Unified SRST does not support Extension Mobility however
does CME in SRST fallback mode support Extension Mobility?


Thanks in advance.

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