2N Omega Lite - Operator Services v1.2 - Manual (Page 44)

2N
®
- OMEGA Lite
Operator services
Users Manual - Operator services
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43
3.8. CO Line in Defect
To block a defective CO line so that other PBX subscribers cannot use it:
Pick up the handset and wait until you can hear the internal
dialing tone (————)
With a tone telephone set:
Dial ‘#991’.
nn Dial the number of the physical port of the CO line in defect (nn).
With a pulse telephone set:
Dial ‘7991’.
nn Dial the number of the physical port of the CO line in defect (nn).
Further, in either case:
Listen to the service performing message.
Hang up.