Calls To Non-Local Extensions Unexpected Busy Tone - Lucent Technologies MERLIN LEGEND Release 6.0 Maintenance And Troubleshooting Manual

MERLIN LEGEND Communications System Release 6.0
Maintenance and Troubleshooting 555-660-140
Central Office and Network Problems
Calls to Non-Local Extensions: Unexpected Busy Tone
In each intervening system, compare the FRLs assigned to routes
for the call with the default COR FRL. The route FRL must be
equal to or lower than the default COR value or the call is blocked.
The factory setting is 3.
If FRL settings are not the cause, call the Lucent Technologies
Helpline at 1 800 628-2888; consultation charges may apply.
Calls to Non-Local Extensions:
Unexpected Busy Tone
This topic discusses unexpected busy tones that may be caused by system
features. It applies not only to regular calls from one network extension to
another but also to remote access calls that are routed among network
systems.
Possible Cause: Intersystem callers may receive a busy tone that is
unexpected because they know that the call recipient has coverage. However,
in a private network non-local calls are treated as outside calls by the system.
The non-local extension may not have coverage for outside calls turned on.
What to Do: Depending upon how the non-local system is set up, try one of the
following techniques in order to reach the extension:
If the destination extension can be dialed directly via Direct Inward
Dialing (DID) or PRI dial-plan routing, try calling the destination
extension over public switched telephone network trunks. If you
receive the same busy tone, then the Coverage setting may be
the problem. Call the system manager or receptionist at the
non-local system and have them check the extension to ensure
that coverage is correct and that the extension is functional.
If you cannot dial the extension directly, use public switched
telephone network facilities or the non-local dial plan in order to
reach the operator for the non-local system. Have the operator
Issue 1
February 1998
Page 5-55