Configuring H.323
H.323 gateways are amid the best accepted Cisco IOS articulation gateways aural Cisco
Unified Communications Manager environments. An H.323 aperture is an endpoint on a
LAN that provides real-time, two-way communications amid H.323 terminals on the
LAN and added International Telecommunication Union Standardization Sector (ITU-T)
terminals on the network. An H.323 aperture can additionally acquaint with added H.323
gateways. Gateways accredit H.323 terminals to acquaint with non-H.323 terminals by
converting protocols. The aperture is the point at which a circuit-switched alarm is encoded
and repackaged into IP packets. Because gateways action as H.323 endpoints, they provide
admission control, abode lookup and translation, and accounting services.