Aspire 22 Button Display Telephone Black 3 line, 24 character display with 4 interactive soft keys for intuitive feature access 12 user-programmable function keys with Dual LEDs and can provide 1-button access to co-workers, features and outside lines. 10 user-programmable OneTouch (Personal Speed Dial) keys 15 additional fixed feature keys. Handsfree Answerback, Intercom voice announcements APA, ADA, APR, CTA, CTU, IP, and Speakerphone Adapter compatible Built-in wall-mount bracket, as well as adjustable legs