Vodavi STS Digital 24 Button Display Speakerphone:  Features Swivel display with 2 row x 24 characters of text. CTI compatibility, Message waiting light, 24 programmable keys, 3 interactive soft keys positioned directly below the display. The speakerphone enables convenient hands free use and the volume control independently controls both handset and speaker volume. The display also shows name and number if caller ID is subscribed to.

Vodavi STS Digital 24 Button Backlit Display Speakerphone: 24 button digital speakerphone with backlit 2 line x 24 character LCD display. 2.5mm headset jack. The speakerphone enables convenient hands free use and the volume control independently controls both handset and speaker volume. The display also shows name and number if caller ID is subscribed to.

* Requires 3500-00 system with software v.1.03 or higher or any 3501-00 system.