SRST SIP CUCM VERSION 11

[christianbernal]

Good day!!

One question I have one Cluster CUCM version 11, with SIP phones in the city A.

In the city B, I have one router 2911 with SIP phones registered in cluster the city A

How I can configured SIP SRST for the city B ??

Anything have the guide for this architecture?

Thanks!!

[Jitender Bhandari]

Hi,

As you are using Clustering over WAN, you can register the phones on Citi B to 2911 gateway once the WAN connectivity to CUCM goes down.

Check some example and detail from below link.

http://davidecisco.blogspot.in/2012/03/configuring-cisco-unified-survivable.html

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/guide/cmeadm/cmesrst.html

http://www.cisco.com/c/en/us/products/collateral/unified-communications/unified-survivable-remote-site-telephony/data_sheet_c78-678873.html

HTH

JB

[Mohammed al Baqari]

Hi Jitender, CoW is different. I believe this is centralized deployment model. CoW is when you have CUCM nodes in single cluster and geographically separated.

[Jitender Bhandari]

Hi Mohammed,

With CoW you can have two deployment models read below.

Clustering Over IP WAN Call Processing Model

The Clustering Over IP WAN Call Processing model is designed for organizations with large user populations across multiple sites that are connected by an IP WAN with the QoS features enabled. The Clustering Over IP WAN supports the two deployment models:

•Local Failover Deployment Model

Local failover requires that you place the Unified Communications Manager subscriber and backup servers at the same site, with no WAN between them. This deployment model is ideal for two to four sites with Unified Communications Manager.

•Remote Failover Deployment Model

Remote failover allows you to deploy primary and backup call processing servers split across the WAN. Using this deployment model, you may have up to eight sites with Unified Communications Manager subscribers being backed up by Unified Communications Manager subscribers at another site.

You can also use a combination of the two deployment models to satisfy specific site requirements. For example, two main sites may each have primary and backup subscribers, with another two sites containing only a primary server each and utilizing either shared backups or dedicated backups at the two main sites.

HTH

JB

[Jaime Valencia]

Mohammed is right, just look at the diagram (and carefully read the explanation) and you'll see this has absolutely nothing to do with CoW.

CUCM in City A

"I have one Cluster CUCM version 11, with SIP phones in the city A."

NO CUCM in City B, just a router and phones.

"In the city B, I have one router 2911 with SIP phones registered in cluster the city A"

For this to be CoW, there would have to be a CUCM server in city B, but there is no CUCM in city B.

This is a centralized model, as Mohammed said.

[Mohammed al Baqari]

This is common deployment model (in SRND called centralized deployment).

To start with you need to have UCk9 and CME-SRST license on 2911 to be able to run SRST.

Configuration wise, this is a good link for SRST.

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/guide/cmeadm/cmesrst.html

[Jaime Valencia]

Just to add to what Mohammed said (and FYI, what you posted is the CME-as-SRST guide, not just SRST). Follow the regular SRST config guide, and when you configure the SRST reference, just assign it to the phones on city B, that's all there is to it.

This is the SRST config guide

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cusrst/admin/sccp_sip_srst/configuration/guide/SCCP_and_SIP_SRST_Admin_Guide.html

This is a very common configuration, did you review the SRST configurations guides before posting the question?????

[christianbernal]

I try with this video and work but only for IP Communicator ,  I need created templeates for Cisco phone example 7821 in the router manually ?

https://www.youtube.com/watch?v=H2ogaWYq5QA