User Guide for the SIP-T54S Media IP Phone92Deactivating the Bluetooth ModeTo deactivate the Bluetooth mode via phone user interface:1. Press Menu->Basic->Bluetooth.2. Press or , or the Switch soft key to select Off from the Bluetooth field.3. Press the Save soft key to accept the change.The Bluetooth headset won’t be connected anymore, but it will still be paired. When youactivate the Bluetooth mode again, the paired Bluetooth headset will appear in the PairedBluetooth Device list.Bluetooth mode is configurable via web user interface at the path Features->Bluetooth.DSS KeysThere are three types of DSS keys: Line Keys, Programable Keys and Ext Keys. Details will beintroduced in the following. The SIP-T54S media IP phone supports 27 line keys and 13programable keys.Line KeysYou can assign predefined functionalities to line keys. You can also define a label for a line keyfeature which will appear on the LCD screen. Line keys allow you to quickly access features suchas recall and voice mail. The line key LEDs will indicate the monitored status when the line keysare assigned with particular features, such as BLF. The default key type of line key 1-16 is Line.The default key type of line key 17-27 is N/A, which indicates that this line key provides nofunctionality until configuration.To assign functionality to a line key via phone user interface:1. Press Menu->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 Type field.5. (Optional.) Select the desired line from the Account ID field.
