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• Color display — 3.8” diagonal QVGA quality pixel-based with adjustable display angle
• Six line appearance buttons with LEDs
• Full-duplex wideband speaker phone
• Ergonomic wideband hearing aid compatible handset supporting TTD acoustic coupler
• Two message waiting indicators
• Four-way navigation cluster buttons; Four contextual softkey buttons
• Volume, menu, message, speaker, headset, contacts, and call log buttons
• Built-in two port Ethernet switch for connection to LAN and collocated PC
• Supports wideband audio codec
• Adapter interface for add-on peripherals - see below for accessories 
• Built-in headset interface

Compatibility:

• H.323 version supported by AVAYA Communication Manager R3.0 or later
• SIP version supported by AVAYA Communication R4.0 or later
• Powered via 802.3af PoE or local 1151 power supply - available separately, below

Resources: Product Brochure (PDF)

Accessories include:

• AVAYA SBTA920A Bluetooth Adapter for the 9600 Series (7003837989)
• AVAYA Gigabit Ethernet Adapter for the 9600 Series (700383771)
• AVAYA 1151D1 Power Supply (700434897)
• AVAYA 9600 Series replacement handset
• AVAYA handset cord - exact replacement

This item is known by the following part numbers: 9640, 700383920