Aastra SIP 480I Administrator's Manual

Also see for 480I CT: Release notes User guide Specifications Release note Specifications

Contents

Aastra SIP 480I Administrator's Manual Manual pdf 280 page image

Troubleshooting Solutions9-6 41-001129-00 Rev 09, Release 1.4.1IP Phone Administrator GuideTroubleshooting Troubleshooting SolutionsDescriptionThis section describes solutions to some most common problems that can occurwhile using the IP phones.Why does my phone display “Application missing”?If you have experienced networking issues while the phone was downloading theapplication from the TFTP server, it is possible that the phone can no longerretrieve the required firmware file. In the event that the phone is no longer able tocommunicate with the TFTP server in its attempt to re-download the firmware andthe phone cannot locate the application locally, the message "Applicationmissing" displays.The phone also displays the following: “Recovery web-client at: <IP Address>”.The IP Address displayed is the IP address of the phone. If the phone is unable toreceive an IP from the DHCP server or has lost its record of its static IP, the phoneauto-assigns itself the default IP 192.168.0.50.To recover the firmware for your phone in this circumstance, please perform thefollowing:1. Launch your web browser on your computer.Note: Your computer needs to be on the same network as your IP Phone.2. In the URL, type: “http://<IP Address>” (where IP Address is the IP Addressdisplayed on the phone). Your browser launches the Aastra IP PhoneFirmware Recovery page.3. Call Customer Support and request a .st file.4. Copy the file to your TFTP server.5. Enter the .st file that is ready for download.6. Enter the IP address or qualified domain name of the TFTP server.7. Press the Download Firmware button.