Yealink SIP-T46G - Manual (Page 65)

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-T46G 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.
Dual headset is configurable via web user interface only.