Cisco 545 Serial Instrukcja Użytkownika Strona 16

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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
OL-14912-01
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 1-4), or to a local private branch exchange (PBX) that provides the PRI connection (as shown
in Figure 1-5).
Figure 1-4 Connecting the PRI Gateway Directly to a Central Office Switch
Figure 1-5 Connecting the PRI Gateway to a PBX that Provides a PRI Line
92873
H.323
Terminal
IP phone
IP
IP
network
Public
PRI T1/E1
Central office
switch
Private
Cisco IPVC
Gateway
Cisco IPVC
chassis/unit
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IP
H.323 terminal
IP phone
Cisco chassis/unit
Cisco Gateway
IP network
BRI
Central Office
switch
PBX
PublicPrivate
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