Chapter 1 Functionality
About Cisco Unified Videoconferencing 3545 Gateway Applications and Topologies
Figure 1-3 Mixed ISDN-IP Multipoint Multimedia Conference
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92871
About Gateway IP Network Connections
The Cisco PRI gateway features one
About Gateway ISDN Network Connections
The Cisco PRI gateway features configurable E1/T1 PRI ISDN connections. When configured as an E1 connection, each port provides 30 B channels and one D signaling channel. When configured as a T1 connection, each port provides 23 B channels and one D signaling channel. The type of line available depends on your local ISDN provider. You configure the gateway PRI port to an E1 or T1 interface accordingly. In addition, you can choose to activate only specific channels by using fractional channel selection.
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
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