One of the main functions of a Gatekeeper is CAC (Call Admission Control). Think about a centralized directory, if a H323 device needs to call a remote site, it will ask to the Gateeper how to call a certain number.
-Prerequisites for a H323 Gatekeeper; to have H323 endpoints, could be a Gateway, H323 Phone, H323 Video Endpoint, CUCM with a H323 Trunk to the GK, that's what comes to the top of my head rigth now.
-No, CUCM is not considered as a Gatekeeper, but you can have multiple H323 trunks to remote sites, and all of the sites can route all the calls to CUCM and then CUCM can route the calls accordingly, but I think that ins't a good idea if you have a cluster with many clients; phones, softphones, media resources, etc. At this point, I think you're talking about SME:
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...