Polycom VSX Series Administrator's Manual page 78

Administrator's Guide for the VSX Series
Configuring the PRI Network Interface
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To use the PRI network interface, you must configure the following:
❑
PRI network support
❑
PRI channels
❑
PRI information
Your ISDN service provider can tell you which protocol your network uses. If you later
change the Country setting, the PRI switch protocols available may also change, and you
may be prompted to configure a different PRI switch protocol.
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
Area Code Specifies the area code for this system's location.
PRI Video Number Specifies the ISDN number assigned to this system.
Outside Line Specifies the ISDN dialing prefix used to call outside the network.
Dialing Prefix
BONDING: Specifies the use of a bonding standard. Incoming bonded calls
will use the original number received to connect all remaining lines
Calling Endpoint
required for the call.
Uses the Original
ISDN Number
Select and configure these settings:
3.
Setting Description
Line Signaling Specifies the framing format in use.
This setting is configurable for PRI E1, read-only for PRI T1.
External CSU Specifies whether this system uses an external or internal
North America only Channel Service Unit (CSU).
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