User's Manual

User Guide for the SIP-T48G IP Phone
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4. Press the OK soft key to confirm the deletion or the Cancel soft key to cancel.
Note
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Two types of DSS keys: Line Keys and Programmable Keys. Details will be introduced in
the following. The SIP-T48G IP phone supports 27 line keys.
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You can assign predefined functionalities to line keys. You can also define a label for
line key feature which will appear on the LCD screen. Line keys allow you to quickly
access features such as call return and voice mail. The line key LEDs will 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 7-27 is N/A,
which indicates that this line key provides no functionality until configuration.
To assign functionality to the line key via phone user interface:
1. Press Menu->Call Features->DSS Keys.
2. Select the desired line key, and then press the Enter soft 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 string that will appear on the LCD 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.
9. Press the Save soft key to accept the change or the Back soft key to cancel.
Line key is configurable via web user interface at the path DSSKey->Line Key.
Note
You can also delete all headsets by pressing the Option soft key and then select Delete
All. For more information, refer to the above steps.
If you cannot connect a Bluetooth headset to the phone successfully, we recommend
you to delete the Bluetooth headset in the Paired Bluetooth Device list (if existed) before
pairing it.
When the phone is idle, you can also long press the line key to configure it directly on the
phone.