Polycom VSX Series Administrator's Manual page 77

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3. Select and configure these settings:
Setting Description
Area Code Specifies the area code for this system's location.
Directory Specifies the numbers assigned to the B1 and B2 channels for
Numbers each BRI line.
The two numbers for a line may be the same or different,
depending on the switch protocol in use.
Enable Specifies whether to enable the associated ISDN line.
If you selected Standard ETSI Euro-ISDN protocol, you must
enable all BRI lines that you expect to be active, and you must not
enable lines that will not be connected.
You may want to disable a particular line if there are problems with
the line that generate continuing error messages.
The ISDN BRI Numbers screen also displays the country selected as the
system's location and the country code used for international calls to the
system. To specify the system's location, go to System > Admin Settings >
General Settings > Location. The system automatically supplies the country
code when you specify the country.
4. If you have configured the ISDN switch protocol to be AT&T 5ESS Multipoint,
NI-1, or Nortel DMS-100, select
by your service provider.
After you enter the SPIDs, the system verifies them. If the system is unable to
verify the SPIDs, make sure the system is connected and that the ISDN
numbers you entered are correct.
If you do not have the SPIDs from your service provider, you can click Start to
Auto Detect SPIDs.
Chapter 3 - Configuring Network Use
and enter the ISDN BRI SPIDs provided
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