AASTRA 7446ip (5446ip) for MX-ONE User Guide EN - Manual (Page 31)

IP P HONE FOR MX-ONE™
31 6/1553-DBC 446 01 Uen E8 2010-07-08
H.323 Phones
1) Tap the Callback button.
2) Replace the handset when the callback indicator icon is high-
lighted.
SIP Phones
1) Press the numeric key 6.
2) Replace the handset when the callback indicator icon is high-
lighted.
3) When the phone rings, lift the handset (or press the loudspeaker
button to use the speakerphone). You will hear the connection
tone.
6.2.1.2 Answering Callback
As soon as an external line becomes free, you will be called back. Then
lift the handset (or press the loudspeaker button to use the speaker-
phone). You will hear the connection tone. You have to answer within 8
seconds, otherwise the callback is cancelled. When you answer, the
system calls the number you have requested for callback
6.2.1.3 Canceling all Callbacks
To cancel all callbacks, do the following:
H.323 Phones
1) Lift the handset and wait for a dial tone.
2) Dial # 37 #. 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 # and tap the Call button. The callback indicator icon is
turned off.
3) Replace the handset.
This procedure cancels callbacks to internal parties, busy extensions in
private network, and busy external lines.