Version 6.2 379 February 2011
SIP User's Manual 5. EMS-Based Management
5. Select the General Settings tab, and then configure each trunk in the group with the
same values for the following parameters:
• Protocol Type
• Framing Method
• Line Code
6. Burn and reset the device after all the trunks have been configured.
Note: All trunks in the group must be configured with the same values for trunk
parameters TerminationSide, ProtocolType, FramingMethod and LineCode.
The procedure below describes how to configure ISDN-NFAS trunks on-the-fly. The
configuration process is the same as the initial Offline configuration, but the sequence of
configuring or locking the trunks is important.
¾ To configure ISDN-NFAS Trunks on-the-fly:
Unlocking an NFAS Group:
a. If there is a Backup trunk for this group, it must be unlocked first.
b. The Primary trunk must be unlocked before unlocking any NFAS trunks.
c. NFAS trunks should then be unlocked.
Locking and Removing an NFAS Group:
a. Lock all NFAS trunks, change their Protocol Type to NONE and then unlock
them.
b. Lock the Backup trunk if it exists. Change its Protocol Type to NONE and then
unlock it.
c. Lock the Primary trunk, change its Protocol Type to NONE and then unlock it.
Note: You cannot re-configure an NFAS group after locking it. You must first set all
trunks to Protocol Type NONE and then start configuration again.
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