Dialog 5446 IP Premium
3
Replace the handset.
5.2.1.5
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.
5.2.2
Callback when all External Lines are Busy
5.2.2.1
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.
SIP Phones
1
Press the numeric key
6
and wait for a dial tone.
2
Dial the complete external number, part of it or no number.
3
Dial
#
and tap the
Call
button. The callback indicator icon is highlighted.
4
Replace the handset.
5.2.2.2
Answering Callback when all External Lines are Busy
(Available in H.323 phones only)
When you try to make a call and hear a congestion tone instead of a dial tone, it
means that all external lines are busy.
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 speakerphone). You have
to answer within 8 seconds, otherwise the callback is cancelled. When you
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Summary of Contents for IP Premium Dialog 5446
Page 1: ...Dialog 5446 IP Premium IP Phone for MX ONE USER GUIDE...
Page 6: ...Dialog 5446 IP Premium 6 1553 DBC 446 01 Uen D5 2008 09 10...
Page 24: ...Dialog 5446 IP Premium 18 6 1553 DBC 446 01 Uen D5 2008 09 10...
Page 30: ...Dialog 5446 IP Premium 24 6 1553 DBC 446 01 Uen D5 2008 09 10...
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