Cisco 3522 BRI Installation And Upgrade Manual page 15

Chapter 1 Functionality
PRI Gateways
You can connect the PRI gateway directly to a PRI line provided by your local ISDN provider (as shown
in Figure
in Figure
Figure 1-4
H.323
Terminal
IP phone
Figure 1-5
H.323 terminal
IP phone
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3522 BRI Gateway and 3527 PRI Gateway Releases 5.6 and 5.7
OL-17010-01
1-4), or to a local private branch exchange (PBX) that provides the PRI connection (as shown
1-5).
Connecting the PRI Gateway Directly to a Central Office Switch
IP
network
IP
Connecting the PRI Gateway to a PBX that Provides a PRI Line
IP network
IP
About Cisco Unified Videoconferencing 3500 Gateway Applications and Topologies
Private Public
PRI T1/E1
Cisco Unified
Videoconferencing
Gateway
Cisco chassis/unit
PRI T1/E1
Cisco Gateway
Central office
switch
Private Public
Central Office
switch
PBX
1-9