Cisco Systems 3527 PRI Guía De Instalación
1-10
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Release 5.6
OL-17010-01
Chapter 1 Functionality
About Cisco Unified Videoconferencing 3500 Gateway Applications and Topologies
BRI Gateways
You can connect the BRI gateway to a local private branch exchange (PBX) that provides the BRI
connection (as shown in
connection (as shown in
), or to a public phone network using an NT1 device (as shown in
).
Figure 1-6
Connecting the BRI Gateway Directly to a PBX that Provides a BRI Line
Figure 1-7
Connecting the BRI Gateway Directly to a Central Office Switch
157166
IP
H.323 terminal
IP phone
Cisco chassis/unit
Cisco Gateway
IP network
BRI
Central Office
switch
PBX
Public
Private
157165
IP
H.323 terminal
IP phone
Cisco chassis/unit
Cisco Gateway
NT1
device
device
IP network
Public
Private
BRI
Central Office
switch