The Avaya 9640 IP Deskphone is designed for the integral telephone user who conducts most of their business by phone and relies heavily on it to perform their day to day job responsibilities.

Avaya 9640 IP Telephone features:

• Supports up to 24 call appearances/administered feature keys with six concurrent line appearances visible at any time
• Supports a 24-button expansion module
• Dedicated Call Forward / Mobility button
• 1/4 VGA Color Display with Backlighting
• Embedded WML Browser
• Flexible Support for Future Add-Ons
• Stylish and Professional Design
• High Fidelity Audio: Full duplex speakerphone, wideband handset
• Power Requirement: 802.af Power over Ethernet switch or a local power Avaya power supply (1151C1)
• Compatibility: Avaya Communication Manager Release 3.0 or greater