... , Mute, Conference Call, Paging, Hold, Check, Remove. 2. STN graphic display module LCD 3. Incoming call indicator 1. Using STN graphic ... display module LCD, 30 characters of double line English display, which can display the date, time, extension number ... , you can check the calls, as much as 50 groups caller ID can be stored. 5. Transfer key function ( TRFR ): you can ...