If you connect a headset to the handset port, be sure that the Wideband Handset setting is disabled.
Choose User Preferences > Audio Preferences > Wideband Handset.
If the Wideband Handset setting shows as dimmed, then this setting is not user controllable
Note
and you must contact your system administrator to change this setting.
For information about purchasing headsets, see
manufacturer's recommendations, an external amplifier may be required. Refer to headset
manufacturer's product documentation for more information.
Using AutoAnswer
When AutoAnswer is enabled, your phone answers incoming calls automatically after a few rings.
Your system administrator can configure AutoAnswer to use the speaker to answer calls. However, you
can only monitor the call using the speaker. To talk to the caller, you must pick up the handset.
Tip
AutoAnswer is disabled when Do Not Disturb is active.
Cisco Unified IP Phone 7906G and 7911G for Cisco Unified Communications Manager 6.1
Using a Handset, Headset, and Speaker
Headset Information, page
7. Depending on headset
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