9508

8 administrable feature buttons on 3 levels (total of 24 button positions)
Optional 12-button expansion module
10 fixed-feature keys for common tasks (e.g. contacts, history and message)
Integrated, two-way speakerphone
Headset jack supports wide array of wired and wireless Avaya headsets

9504

4 administrable feature buttons on three levels (total of 12 button positions), each with dual red-green LEDs to display status
10 fixed-feature keys for common tasks (e.g. contacts, history and message)
Integrated, high-quality speakerphone
Headset jack supports wide array of wired

9600 Series

Take advantage of advanced collaboration with touch screens and productivity features for conference calls, instant messaging, and Web-access to applications. See your calendar instantly on your phone (no need to boot up the PC) and get instant presence information so you know who is available.

Leverage Session Initiated Protocol (SIP) for a survivable, scalable infrastructure that delivers reliable performance and flexible growth as business needs change.

Increase performance by deploying Gigabit Ethernet within your existing infrastructure.