User guide

Simply IP Phone Trouble Shooting

- 22 -

3) Please do not power off during the updating.

To update the firmware automatically via Web interface:

1) Choose Upgrade->Advanced, configure the relating settings: Custom Option,

Custom Option Type, URL, Account, Password, pecified AES Key，Per-phone AES

Key，PNP config, check new firmware, etc.

2) Click Confirm button, the phone will check the server for a new firmware in a

specific time, and it updates automatically if there is new firmware.

3) You can also update the firmware immediately by pressing Auto provision button.

Note:

1. Any power interruption during the following process will most likely lead to a flash

memory error. As a result the system cannot boot up anymore. The procedure can

be only conducted in Administrator Mode.

Recovery mode

When the phone fails to upgrade or in whatever reason you cannot start the phone, you

can upgrade the firmware through recovery mode。

1) Set your PC's network： IP Address：192.168.0.5

SUBNET_MASK：255.255.255.0

IP Address GATEWAY：192.168.0.1

2） Open the TFTP server on your PC to restore the software to be renamed t18.rom,

and the put it into a specified directory

3) Press and hold the redial key and power on,

when the light is red that rom file in the

download. Then you can release the redial key.

4) When the light is orange and blinking slowly, it means update is successful

Decryption

This IP phone can support y000000000000.cfg and mac.cfg files encryption and

decryption for user authentication to realize

ecurity usage. If there are any encrypted

y000000000000.cfg or mac.cfg files on the server, users can open the webpage of your

IP phone. Go to Upgrade->Advanced, choose and fill in the Specified AES Key (16 bit)

and Per-phone AES Key (16 bit) option, then click the Confirm button to decryption the

files and upgrade to the new version. Shown as below: