Aastra 6739i User Manual page 198

Available Features Enabled by Administrators
The following procedure describes how to handle the disconnected screens on your phone.
IP Phone UI
1. Press the Goodbye key.
The busy tone stops and the disconnected screen no longer displays.
or
Select any Line key.
The busy tone stops and the disconnected screen no longer displays.
A dial screen displays.
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41-001317-05 REV01 – 06.2013