Providing Redundancy with SRST and MGCP Fallback
When you have a Cisco Unified Communications Manager (CUCM) cluster located at a central site, and have Cisco IP Phones at remote sites registering with that centralized cluster, those Cisco IP Phones are dependent on the IP WAN. What if the WAN goes down?
Not only do those remote phones need a call agent with which to register, if the gateway at the remote site is an MGCP gateway, it needs to act as an H.323 gateway in order to place and receive calls over its voice ports.
This video demonstrates the configuration of Survivable Remote Site Telephony (SRST) and MGCP Fallback. SRST allows a gateway to act as a call agent if the WAN goes down, and MGCP Fallback allows the MGCP gateway to start operating as an H.323 gateway.
NOTE: If you’ve been enjoying the CIPT1 and CIPT2 videos last month and this month, my new downloadable product containing a total of 20 training videos, covering CIPT 1 and CIPT2 content, is planned for release in about a week. Stay tuned!
