We have changed several 79xx SIP phones with a bunch of new SPA 525G2. our users complain that the backlight is always on, even out of office hours causing some head issues. In effect we had configured the old phones to "turn off" the color display b...

The configuration on these phones (fw 7.4.3) is provisioned via TFTP and HTTP, and it is refreshed periodically on hourly basis (default behaviour).At each refresh the phones reboot, even if the configuration has not changed. How can avoid this behav...