Shows you the name and number of the person that you are talking to.

The name will only show if the person is stored in your phones contacts.

If the contact details are not available you can go to the call history, click edit and it will add a new contact to your phone.

Shows you the current status of the call.

Shows you the number of hours : minutes : seconds that you have been on the call.

The timer only shows when you are connected.

The photo of the contact (from your phones phone book).

If no photo is available a default photo will be shown.

Pressing this button will allow you to choose your audio device.

You're using handset mode (hold the phone to your ear to communicate).

You're using speaker (hands-free) mode.

Your Bluetooth headset is in use.

If you do not have a Bluetooth device connected, it will simply toggle between a handset and a hands-free call.

Press to toggle the microphone on or off.

You are muted.

Your microphone is listening.

Press to show a dial pad to allow you to dial digits.

This is especially useful when calling automated services like phone banking that require you to enter information.

Tap this button to initiate a video call.

If the other party has a video capable phone they will be able to accept or decline your request.

When you have one person on hold and are talking to another, press the Transfer button to hang-up and connect the other two people.

At this point you might also see a conference button allowing you to both people at the same time. (System dependant)

Tap to place the caller on hold.

Once you have the caller on hold you can then talk to another person, transfer the call or start a conference call.

Press this button to hang-up on the call.