Mute or unmute the microphone

Select Options > Mute or Unmute.

Put an active voice call on hold

Select Options > Hold.

Activate the loudspeaker

Select Options > Activate loudspeaker. If you have attached a compatible headset with Bluetooth connectivity, to route the sound to the headset, select Options > Activate handsfree.

Switch back to the handset

Select Options > Activate handset.

End a call

Press the end key.

Switch between active and held calls

Select Options > Swap.

Tip: To put an active call on hold, press the call key. To activate the held call, press the call key again.

Send DTMF tone strings

  1. Select Options > Send DTMF.

  2. Enter the DTMF string or search for it from the contacts list.

  3. To enter a wait character (w) or a pause character (p), press * repeatedly.

  4. To send the tone, select OK. You can add DTMF tones to the phone number or DTMF field in contact details.

End an active call and replace it with another incoming call

Select Options > Replace.

End all calls

Select Options > End all calls.

Many of the options that you can use during a voice call are network services.