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Configuring Network Use
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Configuring the ISDN Network Interface
To configure the ISDN network interface settings:
1.
Go to System > Admin Settings > Network > ISDN .
2.
Configure these settings:
Setting Description
Enable ISDN
H.320 Allows this system to make H.320 (ISDN) calls.
Outside Line
Dialing Prefix Specifies the ISDN dialing prefix used to call outside the
network.
ISDN Switch
Protocol Specifies the protocol used by your network’s switch.
Numbering
Plan Specifies the numbering plan for your location. Select ISDN if
your numbering plan is ISDN; otherwise, select Unknown .
ISDN Voice
Algorithm Specifies which voice algorithm ( aLaw or uLaw ) is used for
ISDN voice calls.
Do not change this setting unless you experience audio issues
in all ISDN voice calls.
Auto BRI
Configuration Allows 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.