Administrator’s Guide for SIP-T46G IP Phone 
232 
This appendix describes the parameters you can set in the configuration files for the IP 
phone. The configuration files are <y000000000028>.cfg and <MAC>.cfg. 
You can set specific parameters in the configuration files for configuring IP phones. The 
<y000000000028>.cfg and <MAC>.cfg files are stored on the provisioning server. The 
IP phone checks for configuration files and looks for resource files when restarting the IP 
phone. The <y000000000028>.cfg file stores configurations for all phones of the same 
model. The <MAC>.cfg file stores configurations specific to the IP phone with that MAC 
address.   
Configuration changes made in the <MAC>.cfg file override the configuration settings 
in the <y000000000028>.cfg file. 
Defines the Internet port type. 
Note: If you change this parameter, the IP 
phone will reboot to make the change take 
effect.