[cisco-voip] Cisco SME

Mon May 17 02:28:43 EDT 2010

But what is the difference then between SME and CUSP (SIP Proxy)? 
CUSP is also positioned as centralized SIP "gatekeeper". 

----- Oorspronkelijk bericht ----- 
Van: "ash AD" <commo_ssg_31f at yahoo.com> 
Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net> 
Verzonden: Zondag 16 mei 2010 02:06:24 
Onderwerp: Re: [cisco-voip] Cisco SME 

SME is not meant to replace CUBE. SME is Cisco's reply to Kamailio (former OpenSER) and other centralized SIP routers. In the big SIP world, large SIP clients / providers typically have a SIP routing engine sitting in the center of their network. It is SIP's "Gatekeeper" equivalent and messaging mediator for all SIP call agents to include IP PBX and SBCs (CUBEs in Cisco world). RTP will not pass through it, only SIP messaging. What it does is presents a familiar GUI and way of doing things. If you have the ability to did deep into the SIP protocol and build a server on Solaris or LINUX, Kamailio is at least 100x more powerful and flexible. If you are not LINUX or Solaris smart and are not a SIP protocol level guy or gal, SME is most definitely a better path to take for centralized SIP CAC, message normalization, call reporting, and troubleshooting. If this is SP level deployment, there are a ton of Kamailio programs who can come in a set it all up. 

What I would like to know, Is will this support the generation of early offer messaging without MTP support? This is feature is keeping Cisco out of the big SIP world. I know this is on the road map, but how late to the party will they show? 

--- On Sat, 5/15/10, Nick Matthews <matthnick at gmail.com> wrote: 

From: Nick Matthews <matthnick at gmail.com> 
Subject: Re: [ cisco -voip] Cisco SME 
To: "Ahmed Elnagar" <ahmed_elnagar at rayacorp.com> 
Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net> 
Date: Saturday, May 15, 2010, 5:28 PM 

CUBE = external 

SME = internal 

So even if you use SME to aggregate your internal dial plan and want to hook it up to a SIP trunk, you would still use a CUBE in front of your SME. SME is designed for larger deployments where dial plan aggregation is important. To a degree you can aggregate a dial plan on CUBE as well, but it is not as scalable or easy to manage. 

To further confuse you, the following products can all do some sort of dial plan aggregation: CUSP, SIP proxy on CUPS, CUCM, SME, CUBE, and GK. 

-nick 

On Sat, May 15, 2010 at 8:08 AM, Ahmed Elnagar < ahmed_elnagar at rayacorp.com > wrote: 

So what it is the difference between it and CUBE…and when to use it and not use CUBE!!! 

Best Regards; 

Ahmed Elnagar 

Senior Network PS Engineer 

Mob: +2019-0016211 

CCIE#24697 (Voice) 

ccie_voice_large.gifccvp_voice_large.gif

From: cisco-voip-bounces at puck.nether.net [mailto: cisco-voip-bounces at puck.nether.net ] On Behalf Of Aman Chugh 
Sent: Saturday, May 15, 2010 8:38 AM 
To: Bill 
Cc: cisco-voip voyp list 
Subject: Re: [cisco-voip] Cisco SME 

Check with your Cisco SE. It does offer some enchancements on trunking and yes it does not have phones registered on it. 

http://docwiki.cisco.com/wiki/Unified_Communications_Manager_-_Session_Manager_Edition:_Session_Manager_Designs 

Regards, 

Aman 

On Fri, May 14, 2010 at 9:15 PM, Matthew Saskin < msaskin at gmail.com > wrote: 

It's basically just CUCM without IP phones registered. You use it as a point of centralized call routing (multiple CUCM clusters trunk to it, traditional PBX's via a gateway trunk to it, etc.). IME can be deployed centrally off of SME or off of a single CUCM 8 cluster. 

Matthew Saskin 
msaskin at gmail.com 
203-253-9571 

July 18, 2010 - 1500m swim (in the hudson), 40k bike, 10k run 
Please support the Leukemia & Lyphoma Society 
http://pages.teamintraining.org/nyc/nyctri10/msaskin 

On Fri, May 14, 2010 at 10:44 AM, Bill < bill at hitechconnection.net > wrote: 

So I am looking at the Session Manager Edition. Is it just CUCM but without IP phones registered to it? Is it just a centralized call manager for centralized call managers? Also if we deploy IME at some point do we need SME or can we just use the CUCM cluster we already have? 

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