Mitel SX-200 Practices page 215

Callback - No Answer
Description
Callback - No Answer allows a user, after dialing an extension that does
not answer, to have the system complete the call after the called party
returns and uses the telephone. The system continuously monitors the
originating telephone and the called telephone. When the called tele-
phone goes off-hook, the callback is handled in the same way as
Callback - Busy.
e
Callback - No Answer is not available in Generic 1 OOi .
See Callbacks for details on Callbacks.
Conditions The following conditions apply to this feature:
. Callback - No Answer cannot be activated by access code while lis-
tening to ringback; see Operation.
l
Callback - No Answer can be activated on extension numbers only.
0 Originate Only extensions do not have access to this feature.
Programming
Enable COS Option 300 (Automatic Callback) in the set' s COS.
Operation
Assign an access code to Feature 43 (Callback - No Answer).
For feature key activation of callback on a SUPERSET DN or a
SUPERSET 410 telephone, program a CALLBACK feature key. (See
Feature Keys.)
Operation varies depending upon the type of telephone as described be-
low.
Industry-standard and
SlJPERSET401
Telephones:
The called extension does not answer. To set a callback:
Hang up.
Go off-hook again.
Dial the Callback - No Answer access code.
Dial the unanswered set' s extension number. Dial tone is returned.
Your set is available for normal use.
The next time the called (unanswered) set goes on-hook, your set
rings.
Lift the handset to call the extension.
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