CIPT2 – Multisite Connections: Connection Options

Multisite Connections: Connection Options

H.323
-Peer to Peer
-Dial Plan required
-Autonomous/Self contained
-Full configuration required
-Gatekeepers

MGCP
-Centralised cfg/mgmt
-Add to CUCM
-Call Agent
-Add chassis to CUCM
-Add T1/E1 controller to CUCM
-Drawback… No WAN = no service!
-MGCP Fallback = H.323 backup service on MGCP Gateway

SIP
-Easy debugs as in clear ASCII text
-ITSP

Intercluster Trunks
-1 function to bridge CUCM clusters
-GKs are an alternate. All clusters trunk back to GK or GK pair with HSRP/VRRP etc..