Avaya 9640 - Manual (Page 32)

Logging out of your telephone extension
1. Press Avaya Menu.
2. Scroll down and select Log Out.
3. Press Yes or OK.
4. Press Log Out to confirm.
Note:
Your contacts, speed dial settings, favorites, and Autodial numbers are saved
during logout and are available the next time you log in to your extension.
Logging out of your telephone extension
32 Avaya one-X™ Deskphone SIP for 9640/9640G IP Telephone User Guide