Chapter 1 Functionality
About Cisco Unified Videoconferencing 3545 Gateway Applications and Topologies
PRI Gateways
You can connect the PRI gateway directly to a PRI line provided by your local ISDN provider (as shown in Figure
Figure 1-4 Connecting the PRI Gateway Directly to a Central Office Switch
| Private | Public |
| IP |
|
| network |
|
H.323 |
| PRI T1/E1 |
|
| |
Terminal |
|
|
| Cisco Unified |
|
| Videoconferencing |
|
IP | 3545 chassis with |
|
Gateway modules |
| |
|
| |
IP phone |
|
|
Central office
switch
281207
Figure 1-5 Connecting the PRI Gateway to a PBX that Provides a PRI Line
Private Public
H.323 terminal
IP phone |
IP |
IP network
Cisco chassis/unit
PRI T1/E1 |
|
Cisco Gateway | PBX |
|
Central Office
switch
157167
Private Public
H.323 terminal
IP phone |
IP |
IP network
Cisco chassis/unit | Central Office | |
| switch | |
| BRI | |
Cisco Gateway | PBX | |
157166 | ||
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| Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6 |