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Cisco TelePresence ISDN Link
Contents
Introduction
Typical user scenarios
The Cisco TelePresence® ISDN Link is a compact appliance for
in-room ISDN and external network connectivity.
The ISDN Link provides direct connectivity for IP-to-ISDN or
IP-to-V.35 networks (E-, EX-, MX-, C- and SX-series). It can
be used as main connection, back up connection or for external
calls. The ISDN network can be combined with an IP network.
Support for up to 4 Basic Rate Interface (BRI) or 1 Primary
Rate Interface (PRI) ISDN ports and external networks (cable
standards V.35, RS530, RS449, and RS366).
For configuration examples, see the following pages.
NOTE:
When connecting PRI to an ADTRAN switch, you
MUST disable parallel dialing used in bonding calls, due to
internal ADTRAN capacity problems. Otherwise, outgoing calls
(especially higher rates) may take a long time, or even fail.
xConfiguration ISDN ParallelDial: Off
For other PBXs, you should be able to allow parallel dialing:
xConfiguration ISDN ParallelDial: On
D14954.01
ISDN Link Administrator Guide IL1.0, June 2012.
Copyright © 2012 Cisco Systems, Inc. All rights reserved.
Getting started
Configuration examples
Configuration examples
ISDN only
EX90
ISDN Link
External Network
Shown with optional external encryption devices.
EX90
ISDN Link
External
Network
External
Encryption
device
13
Password protection
Appendices
Combining ISDN and IP
C40
ISDN Network
ISDN Link
IMUX
ISDN Network
IMUX
Administrator guide
Contact us
IP Network
C40
ISDN Link
External
Network
External
Encryption
device
www.cisco.com