Polycom Audio and Video - Manual (Page 39)

Chapter 3 - Configuring Network Use
© Polycom, Inc. 3 - 19
3. Select and configure these settings:
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 and enter the ISDN BRI SPIDs provided
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.
ISDN Voice
Algorithm Enter which voice algorithm (Alaw or uLaw) you want to use for
ISDN voice calls.
Do not change this setting unless you experience audio issues in
all ISDN voice calls.
Auto BRI
Configuration Check this to allow the NI-1 switch to automatically configure the
directory numbers and SPIDs.
This setting is only available if you have selected the NI-1 switch
protocol.
Setting Description
Area Code Enter the area code for this system’s location.
Directory Numbers Enter the numbers assigned to the B1 and B2 channels for the
BRI line.
The two numbers for a line may be the same or different,
depending on the switch protocol in use.
Enable Check this to enable the ISDN line.
If you selected the Standard ETSI Euro ISDN protocol, you must
enable the BRI line.
Setting Description