My phone is in a reboot loop. How do I fix this?

  1. See the section above entitled “The manual says our phone can be auto provisioned, but it is not working.” Most often this issue is caused by an issue with DHCP or DNS.

  2. The firmware on the handset may be very old. In this case it is sometimes necessary to update the phone to a minimum required version before it can proceed.

  3. Some manufacturers do not allow us to distribute handset firmware. Verify that the handset firmware version is recent.

  4. Check that the PABX has the correct firmware on it. Some firmware files are large and are not included by default. Go to the “System->Upgrades” screen. Click the refresh link, and then use the handset-mode screen to update or fetch the required firmware.