Dial, if you want to finish the talk, press Hang-up.
8.3.5 FUNCTION KEY
8.3.5.1 FUNCTION KEY
Function Key
Field name explanation
Contrast Set contrast of screen.
Enable Backlight Set enable/disable backlight.
Line Key Settings
Line: select Auto, SIP1, SIP2 or IAX2 in function key type. After you set
it, you pick up handset or hands-free, press this function key, and then you
can use the corresponding SIP line.
Function Key Settings
