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Touch
to turn on or off the speaker.
Touch
to mute or unmute your microphone.
Touch
to switch to the keypad when you need to enter a
code (for example, the PIN for your voicemail or bank
account) during the call.
Touch
to put the call on hold.
Touch
to make another call separately from the first
call, which is put on hold.
Touch
to merge the separate calls into a single
conference call.
Touch
to put the caller you are speaking to on hold,
and switch to the other call that has been put on hold.
Touch
to switch between voice call and video call or
send or stop sending your image to the caller.
Touch
to end the current call.
WARNING!
Because of higher volume levels, do not place the phone near
your ear during speakerphone use.