Avaya 9640 IP Phone 700383920


A member of the Avaya one-X Deskphone Edition family, the 9640 IP Telephone with high resolution color display is specifically designed for the essential telephone user. Essential users are those who deem the telephone as essential for doing their jobs. Sales people, relationship managers, and attorneys are typical examples of essential users. The 9640 provides superior high fidelity audio, built-in “one touch” access to key Avaya Communication Manager mobility features, protocol independence (H.323 and SIP) and a stylish and professional design.

Warranty Options * 


Avaya 9640 IP Telephone (700383920) 9640G IP Telephone Features * 3.8″ color backlit display * 6 line appearances supporting up to 24 call appearances or features * 4 softkeys, 4 navigation buttons * Built-in full duplex speakerphone * Dual message waiting indicators * Volume, menu, message, speaker, headset, contacts, and call log buttons * Built-in two port Gigabit Ethernet switch for connection to LAN and collocated PC * Supports wideband audio codec * Supports up to 3 SBM24 Button Modules for expansion * 2 adapter interfaces for add-on support (e.g. 9600 Bluetooth Adapter etc.) * Built-in headset interface Avaya Model 9640 vs Avaya Model 9640G Your telephone provides many features, including a Phone screen to view and manage your calls, a Call Log, a Contacts list, an integrated WML browser, a menu of options and settings, and access to your voicemail. The 9640/9640G IP Telephone provides this information in color. The “G” designation in 9640G means this telephone model has a built-in Gigabit Ethernet adapter which speeds data transmission. A telephone with the “G” designation is otherwise identical to its 9640 counterpart in terms of features and functionality.

Additional information

Weight 5 lbs
Search Terms

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Compatible System
Display (LCD) Lines/Characters

Backlit Display

Function Buttons

Soft Keys

Personal Speed Dial

Navigation Key

Message Waiting Lamp


Hearing Aid Compatible

Add-on Key Module / DSS Console

Bluetooth Module

Headset Jack

Wall Mounting