[cisco-voip] CUCM 8.5 and CUMA

[Ryan Ratliff]

VPN is an option for connectivity for a smartphone into your environment if you are not using CUMA.  This is mentioned in the Cisco Mobile 8 for IPhone docs.

CUMC registers as a SIP client and I agree that opening up SIP connectivity to your CUCM from the internet is a bad idea. 

-Ryan

On Jan 25, 2011, at 8:33 AM, Ahmed Elnagar wrote:

I am giving it a lab test soon.
 
I have read in the features and services guide for CUCM 8.5 “the first version that should replace the CUMA” is that CUMC can now register directly to CUCM without the need for CUMA server…however what about connectivity…the document say that CUMC uses single port to communicate to CUCM…then what should I do? Just do a static entry on the firewall to forward requests on this port to CUCM?...I don’t think that will be a good idea and a lot of big enterprise will defiantly refuse this approach.
 
Unlike CUMA…you setup the ASA as a proxy server with certificate authentication of the client “CUMC”…is the same doable with CUMC?
 
Best Regards,
Ahmed Elnagar | CCIE#24697 Voice
 
From: Ryan Ratliff [mailto:rratliff at cisco.com] 
Sent: Monday, January 24, 2011 11:08 PM
To: Ahmed Elnagar
Cc: cisco-voip at puck-nether.net
Subject: Re: [cisco-voip] CUCM 8.5 and CUMA
 
The SRND has be the best run-down of the differences.  Check out the "Mobility Beyond the Enterprise" section, specifically the difference in the dual-mode clients and CUMC.  http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/8x/mobilapp.html#wp1082858
 
It really comes down to what phone you have, what version of the mobility client, and what CUCM version you have.  
 
-Ryan
 
On Jan 21, 2011, at 6:08 PM, Ahmed Elnagar wrote:


Dear all;
 
It have been said here before that starting CUCM 8.5 a CUMA server is no longer required, can anyone shade some light on how the design will look like? How the CUMC client on the phone connects and get its information…will ASA be required or not??
 
I think this topic is causing a lot of confusing…if anyone has a document that clearly explains how this replacement is achieved.
 
Best Regards,
Ahmed Elnagar | CCIE#24697 Voice
 
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