Networks
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Configuring the PRI Network Interface
To configure the ISDN network interface settings:
1. Go to System > Admin Settings > Network > ISDN.
2. Configure these settings:
3. Select and configure these settings:
Points to note about fractional PRI:
• Assigned channels must begin with channel 1, and the channel numbers must
be consecutive.
• A D channel must be provided.
• Outbound call bandwidth must not exceed the available bandwidth.
Setting Description
Enable ISDN
H.320
Allows this system to make H.320 (ISDN) calls.
Area Code Specifies the area code for this system’s location.
PRI Video
Number
Specifies the ISDN number assigned to this system.
Outside Line
Dialing Prefix
Specifies the ISDN dialing prefix used to call outside the
network.
BONDING:
Calling Endpoint
Uses the Original
ISDN Number
Specifies the use of a bonding standard. Incoming bonded
calls will use the original number received to connect all
remaining lines required for the call.
Setting Description
Line Signaling Specifies the framing format in use.
This setting is configurable for PRI E1, read-only for PRI T1.
External CSU
North America only
Specifies whether this system uses an external or internal
Channel Service Unit (CSU).
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