Avaya 1150E User Manual page 52

Virtual Private Network
If the IP Deskphone does not display Listening Mode then your IP
Deskphone requires a software upgrade in order to proceed.
Click No to proceed to a software upgrade. Follow the next steps to
perform a software upgrade on your phone.
The Prepare Phone for Configuration (Try again) window appears,
as shown in Figure 14 on page
Figure 14: Prepare Phone for Configuration (Try again)
window
a. Power off your IP Deskphone and power it back on again.
14. As soon as the word Avaya appears on the IP Deskphone display
screen, quickly press the following keys in order.
Note: The IP Deskphone can take up to 60 seconds for "Listening
Mode" to appear in the display area.
52
Mute
52.
Mute