- 17-button voice terminal offering one way speaker for hands-free listening or monitoring
- 10 call appearance/flexible feature buttons, 2 with LEDs
- 7 fixed feature buttons for Conference, Drop, Transfer, Hold, Select, Volume, Speaker (2 buttons accommodate alternate features when used with the Select button)
- Adjunct jack for headset or speakerphone
- Message waiting indicator
- Wall mount included
- Compatible with Model S201A Speakerphone (3152-007)
- Requires available port on Digital Line Circuit Pack TN 754B (63114)
