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Avaya one-X 9640 IP Deskphone User Manual
This manual describes the Avaya one‑X 9640 IP Deskphone, covering its hardware layout, ports, and built‑in features such as the USB port, message waiting and missed‑call indicators, softkeys, speaker, headset and call‑forward functions. It explains how to use the Avaya Menu to access options, settings, and advanced features.
The guide details navigation methods, screen brightness and contrast adjustments, call handling (including conference, bridged, and forwarded calls), contact management, call logs, and the telephone stand positioning. An index at the end provides quick reference to all topics. This manual is written in Chinese.
Avaya 9640 IP specifications
| USB Port | Present |
|---|---|
| Message Waiting Indicator | LED on top right |
| Missed Call Indicator | LED indicator |
| Softkey Labels | Customizable |
| Speaker | Built‑in |
| Headset | Supported |
| Forward | Call forwarding supported |
All Avaya 9640 IP documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I answer an incoming call on the Avaya 9640?
Lift the handset, press the line button next to the incoming call, press Speaker, or press Headset; if on another call, select the incoming line and press Answer or OK.
How can I make a call from the Avaya 9640?
Dial the number directly, or press the line button, lift the handset, or use the Contacts list to select a person and then press Call or OK.
How do I know when I have a new voicemail?
When a new voicemail is received, the Message Waiting indicator LED lights up on the top right of the phone.
How can I adjust the screen brightness or contrast?
Open Options & Settings, go to Screen & Sound, and select Brightness or Contrast to change the values.