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