- 17-button voice terminal
- 10 call appearance/flexible feature buttons, 2 with LEDs
- 7 fixed feature buttons for Conference, Drop, Transfer, Hold, Select, Volume (2 buttons accommodate alternate features when used with the Select button)
- Message waiting indicator
- Adjunct jack for headset or speakerphone
- Wall mount included
- Compatible with Model S201A Speakerphone (3152-007)
- Requires available port on Digital Line Circuit Pack TN754B (63114)
