Aastra Dialog 4420 IP Basic User Manual page 29

Ô Õ
Line/Hold
Ô
Line/Hold
Ô Ö
Line/Hold
Dialog 4420 IP Basic
Hold
You can temporarily put the ongoing call on hold.
Press the Line/Hold key.
The key lamp flashes slowly.
Note: If you replace the handset, the call is terminated.
Press again to resume the call.
Inquiry
You have a voice connection on Line/Hold and want to make an
Inquiry to an internal or external party.
Press.
z
The first call is put on hold (Line/Hold flashes slowly).
Call the third party.
When the other party answers, you can switch between the calls
(Refer Back), Transfer the call, create a Conference or end one of
the calls.
Press to end the Inquiry call.
The third party is disconnected.
Press to return to the first call.
During Calls
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