Information Technology Reference
In-Depth Information
■
Use the Media Gateway Control Protocol (MGCP) between CUCM and voice gateways (assuming H.323 functionality is not
required).
■
Use the G.711 codec.
FIguRE 1-1
CUCM Deployment
Models
Single Site
Multisite WAN with
Centralized Call Processing
Multisite WAN with
Distributed Call Processing
Cisco
CallManager
Cisco
CallManager
Central
Site
Central
Site
PSTN
V
V
Cisco
CallManager
PSTN
WAN
PSTN
WAN
Cisco
CallManager
Cisco
CallManager
SRST
SRST
V
V
V
V
V
Remote Site
Remote Site
Remote Site
Remote Site
