Yealink SIP-T48G - Manual (Page 77)

Customizing Your Phone
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2. Tap the Off radio box of the Bluetooth field.
The Bluetooth icon disappears from the touch screen.
Bluetooth mode is configurable via web user interface at the path Features->Bluetooth.
Two types of DSS keys: Line Keys and Programmable Keys. Details will be introduced in
the following. The SIP-T48G IP phone supports 30 line keys.
You can assign predefined functionalities to line keys. You can also define a label for line
key feature which will appear on the touch screen. Line keys allow you to quickly access
features such as call return and voice mail. The line key can indicate the monitored
status when the line keys are assigned with particular features, such as BLF. The default
key type of line key 1-6 is Line. The default key type of line key 30 is DSS Key, which
provides a quick access to the line key configuration screen. You can also tap the line
keys 1-11 on the idle screen to enter into the line key configuration screen directly.
To assign functionality to the line key via phone user interface:
1. Tap ->Call Features->DSS Keys.
2. Tap the desired line key.
3. Select the desired key type from the Type field.
4. (Optional.) Select the desired key event type from the Key Event field.
5. (Optional.) Select the desired line from the Account ID field.
6. (Optional.) Enter a label that will appear on the touch screen in the Label field.
7. (Optional.) Enter the corresponding value in the Value field.
8. (Optional.) Enter the corresponding value in the Extension field.
This option is only applicable to BLF feature. For more information, refer to Busy
Lamp Field (BLF) on page 125 .