Automatic Callback . Busy - Mitel SX-5 Manual

SECTION MITL9103 -098 -105-NA
A u t o m a t i c Callback
-
Busy (With D i s t i n c t i v e
Ringing)
Description
Automatic Callback-Busy allows an extension user (the originating extension), upon
encountering a busy extension number or trunk, to have the call connected when the
busy extension or trunk becomes free. After reaching a busy number, the calling
extension user dials 6, (the feature access code) and replaces the handset The system
continuously monitors the originating extension and the called number. When both
parties become free, the system rings the originating extension, using a distinctive
ringing pattern (200 ms
ON.
200 ms
OFF,
200 ms
ON,
200 ms
OR,
200 ms
ON,
3 s OFF)
continuous until the call is answered. When the originating extension answers. the
called extension rings or trunk dial tone is heard. If more than one callback request is
active on any extension or trunk, the requests are queued and serviced on a first-in,
f irst-out basis.
Conditions
Callback may be enabled on both extensions and trunks.
The
callback access code is 6.
An individual callback cannot be cancelled by the extension user.
A callback will always ring the originating extension, call forwarding has no
effect.
Up to 24 callback requests may be active within the system at any time.
If the
two
parties involved in callback hold a conversation (not a conferend
before the callback is honoured, the callback will be cancelled automatically.
Duplicate callback requests are ignored (the original callback request being
cancelled).
The callback access code (6) must be dialed within 10 s of receiving busy tone.
If a callback. is not answered by the originating extension within 4 rings, it is
automatically cancelled.
If the called number (extension or trunk) becomes busy before the originating
party
answers
a callback, the originating party will hear busy tone. By going
on-hook the system will automatically re-activate the callback feature.
All caltback requests are lost after recovery from a Power Fail Transfer.
A callback will be cancelled if not completed within 8 hours.
Feature Selection
None
Operation
To Enable a Callback
-
Busy:
Lift the extension handset
-
dial tone is retwned.
Dial the required extension number or trunk group access code
-
busy tone is
returned.
Dial the Callback access code (6) within 10 s
-
dial tone is returned
-
the
originating extension is available for normal use.
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