AASTRA 7446ip (5446ip) for MX-ONE User Guide EN - Manual (Page 32)

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O UTGOING C ALLS
6.2.1.4 Canceling a Single Callback
To cancel a single callback, do the following:
H.323 Phones
1) Lift the handset and wait for a dial tone.
2) Dial # 37 * extension number #. The callback indicator icon is
turned off.
3) Replace the handset.
SIP Phones
1) Lift the handset and wait for a dial tone.
2) Dial # 37 * extension number # and tap the Call button. The call-
back indicator icon is turned off.
3) Replace the handset.
6.2.1.5 Canceling Callback when all External Lines are Busy
(Available in H.323 phones only)
To cancel a callback to one external line, do the following:
1) Lift the handset and wait for a dial tone.
2) Dial # 37 * route access code #.
3) Replace the handset.
6.2.2 Callback when all External Lines are Busy
6.2.2.1 Ordering Callback when all External Lines are Busy
When all external lines are busy, you can request a callback. To request
callback, do the following:
H.323 Phones
1) Tap the Callback button and wait for a dial tone.
2) Dial the complete external number, part of it or no number.
3) Dial #. The callback indicator icon is highlighted.
4) Replace the handset.