Troubleshooting Solutions
41-001160-01, Rev 00, Releaes 2.3
9-15
Troubleshooting
Troubleshooting Solutions
Description
This section describes solutions to some most common problems that can occur
while using the IP phones.
Why does my phone display “Application missing”?
If you have experienced networking issues while the phone was downloading the
application from the TFTP server, it is possible that the phone can no longer
retrieve the required firmware file. In the event that the phone is no longer able to
communicate with the TFTP server in its attempt to re-download the firmware and
the phone cannot locate the application locally, the message "Application
missing" 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 to
receive an IP from the DHCP server or has lost its record of its static IP, the phone
auto-assigns itself the default IP 192.168.0.50.
To recover the firmware for your phone in this circumstance, please perform the
following:
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 Address
displayed on the phone). Your browser launches the
Aastra IP Phone
Firmware Recovery
page.
3.
Call Customer Support and request a
<phone model>.st
file.
4.
Copy the file to your TFTP server.
5.
Enter the
<phone model>.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.
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