3.2.1 Adjust the volume
During a call, press the Upper Direction Key or Lower
Direction Key on the side to turn up or down the volume of
the receiver.
3.2.2 Answer a new call
If the call waiting function of your phone is enabled and there
is a new call during a call, a prompt interface indicating the
new call will show on your phone. You can make the Answer
Key slide rightward to answer the new phone while the
previous call will be held; if you do not want to answer the
new call, you can click Refuse Key to hang up the call by
leftward sliding.
3.2.3 Connect two calls at the same time
After two calls are connected, press the shortcut button on
the screen to realize the following functions:
Exchange
: activate/hold the current call, both sides cannot
hear each other during holding;
Hang up: end the current call;
Mute: close the calling volume at the moment;
Dialing keyboard
: enter into the dialing keyboard interface;
Handfree
: after switching to handfree mode, the current
calling voice is played on the loudspeaker;
Merge calls: with this function, it is possible to make a
