Timer Operation for the 9620, 9630/9630G, 9640/9640G, and 9650
When the idle timer in the telephone expires you can administer the telephone to turn off the backlight, put up a screen saver, and/or show a Web page while the telephone is idle. However, Avaya does not recommend setting all of these values on the same telephone. Avaya does recommend, for instance, that you set a lobby phone to go to a Web page when it is idle and to set a desk phone to go to the screen saver and/or turn off the backlight when idle.
The related system parameters and their default values, further described in Table 9: 9600 Series IP Telephone Customizable System Parameters, are:
- WMLIDLETIME = 10 minutes
- BAKLIGHTOFF = 120 minutes
- SCREENSAVERON = 240 minutes
- WMLIDLEURI = null
The idle timer is only reset if WMLIDLEURI is non-null such that an HTTP GET can be sent. WMLIDLEURI is expected to be specified only for phones in public areas through the use of a GROUP parameter.
Table 17: Idle Timer Settings and Results
| Shortest Timer |
Middle Timer |
Longest Timer |
Operation |
| WMLIDLETIME and WMLIDLEURI are null |
BAKLIGHTOFF is non-zero |
SCREENSAVERON
is non-zero |
Default operation: After BAKLIGHTOFF minutes, the backlight turns off. After (SCREENSAVERON – BAKLIGHTOFF) additional minutes, the screen saver is displayed. WMLIDLETIME has no effect. |
| WMLIDLETIME and WMLIDLEURI are null |
SCREENSAVERON is non-zero |
BAKLIGHTOFF is non-zero
|
After SCREENSAVERON minutes, the screen saver is displayed. After (BAKLIGHTOFF – SCREENSAVERON) additional minutes, the backlight turns off. |
| WMLIDLETIME and WMLIDLEURI are non-null |
BAKLIGHTOFF
is non-zero |
SCREENSAVERON is non-zero |
Every WMLIDLETIME minutes, a GET is sent for WMLIDLEURI, the idle timer is reset, and the browser is displayed. The Web page may contain its own timer to cycle through additional Web pages. The backlight always stays on and the screen saver is never displayed. |
NOTE: The 9610 IP Telephone uses the IDLEAPP value in the 9610data.txt file instead of WMLIDLEURI in the settings file. For more information, see Special Administration for the 9610 and 9610 Backup/Restore.
