Polycom VSX Series Administrator's Manual page 76

Administrator's Guide for the VSX Series
Configuring the Quad BRI Network Interface
3 - 14
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 option only if the corresponding network
interface module is installed. The system automatically detects the type of
interface installed and displays only the required configuration screens.
To configure the ISDN network interface settings:
1. Go to System > Admin Settings > Network > ISDN.
2. Configure these settings:
Setting Description
Enable ISDN Allows this system to make H.320 (ISDN) calls.
H.320
Number of ISDN Specifies how many channels to dial at one time.
Channels to Dial
You can specify up to eight channels. If you experience network
in Parallel
problems, decrease the number.
Outside Line Specifies the ISDN dialing prefix used to call outside the network.
Dialing Prefix
ISDN Switch Specifies the protocol used by your network's switch.
Protocols
ISDN Voice Specifies which voice algorithm (aLaw or uLaw) is used for ISDN
Algorithm voice calls.
Do not change this setting unless you experience audio issues in
all ISDN voice calls.
Auto BRI Allows the NI-1 switch to automatically configure the directory
Configuration numbers and SPIDs.
This setting is only available if you have selected the NI-1 switch
protocol.
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