Enterprise IP Phone                  Using the Advanced Phone Functions 
The parameters of the Auto-provision: 
Parameter  Description 
Update Protocol   The phone can be updated via TFTP, FTP or HTTP 
TFTP Server  If you choose TFTP as protocol TFTP, you need to enter the TFTP 
server IP address and port 
Check new config  You can specific the period that your phone checks the new 
firmware from the server: Power on, Scheduling, Disable and 
both.  
Scheduling   You can specific the period in days which the phone checks and 
updates the new firmware, the range is 1-30 days 
 
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.   
2.  If the updating is failed, you can re-plug the power adaptor, and press the Speaker 
key for 3 seconds, the IP phone will enter the account configuration interface. Users 
can reconfigure the IP phone account information here, and then press the OK 
button to save the changes. 
 
Decryption 
This IP phone can support y000000.cfg and mac.cfg files encryption and decryption for 
user authentication to realize 
security usage. If there are any encrypted y000000.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 (for y000000.cfg) 
and Per-phone AES Key (for mac.cfg) option, then click the Confirm button to 
decryption the files and upgrade to the new version. Shown as below: 
 
 
 
 
 
 
 
 
 
 
 
 
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