Yealink SIP-T48G - Manual (Page 71)

Customizing Your Phone
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You can use two headsets when enabling dual headset. To use this feature, you must
physically connect headsets to the headset jack and handset jack respectively. Once
the phone connects to a call, the headset connected to the headset jack will have
full-duplex capabilities, while the one connected to the handset jack will only be able to
listen.
To enable dual headset via web user interface:
1. Click on Features->General Information.
2. Select Enabled from the pull-down list of Dual-Headset.
3. Click Confirm to accept the change.
Note
The SIP-T48G IP phone supports Bluetooth. Bluetooth enables low-bandwidth wireless
connections within a range of 10 meters (32 feet). The best performance is in the 1- to
2-meter (3- to 6-foot) range.
You can activate/deactivate the Bluetooth mode, and then pair and connect the
Bluetooth headset with your phone. You can also disconnect and delete your Bluetooth
headset from the phone.
Note
Dual headset is configurable via web user interface only.
Ensure that the Bluetooth USB dongle BT40 is properly connected into the USB port on the
back of the phone. For more information, refer to
Phone Installation on page 11 .