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Chapter 3 - Configuring Network Use
© Polycom, Inc. 3-13
Configuring ISDN Support
You can add one optional network interface module to the system. This lets you
extend the functionality of the system so that you can:
❑ Make ISDN calls over a PRI/T1 network (in North America) or PRI/E1
(outside of North America).
❑ Make ISDN calls over a BRI network.
❑ Connect encryption or other third-party network equipment using a Serial
V.35/RS-449/RS-530 interface.
This section describes the settings for all optional network interfaces and identifies
the settings that are available only for specific network interfaces.
You can configure a network interface only if the corresponding network interface
module is installed. The system automatically detects the module and displays
only the required configuration screens.
Configuring Inverse Multiplexer (IMUX) Settings
You must configure the IMUX settings for Quad BRI and PRI only. If your system
uses the V.35/RS- 449/RS-530 network interface, skip this section.
Dynamic
Bandwidth
Specifies whether to let the system automatically find the optimum
line speed for a call if packet loss occurs.
Enable PVEC Allows the system to use PVEC (Polycom Video Error
Concealment) if packet loss occurs.
Setting Description