This problem usually occurs when an Aastra VoIP phone loses it's firmware due to an improper reboot of the phone. If the LCD screen on the phone reads  "web recovery at ipaddress", follow the instructions below to have the phone download the firmware from the Freevoice server.

Fixing Aastra Web Recovery

1. Get the IP address of the phone from it's LCD display. This is the address in the "web recovery at xxx.xxx.xxx.xxx" message.
2. Go to a computer connected to the network , open a web browser and enter the IP address of the phone in the address bar and press enter.
3. You should see a web page like the one below.
   
   The filename entered will depend upon the model of the phone. Use the filenames listed below.
   

   Phone Model	filename
   9133i	9133i.st
   9112i	9112i.st
   480i	480i.st
   480i CT	480i Cordless.st
   51i	51i.st
   53i	53i.st
   55i	55i.st
   57i	57i.st
   57i CT	57iCT.st
   9143i	9143i.st
   9480i	9480i.st
   9480i CT	9480iCT.st

   In the TFTP Server IP field enter the IP address of your Freevoice server.
4. Once you have filled in the two fields click the Download Firmware button.
5. The phone shoulddownload the firmware then reboot. Once the phone reboots and if it has been configured in endpoint manager it will download it's configuration and retirn to a working state.