Keypad - Selecting the keypad will display the on-screen keypad. Click the button to show/hide the keypad at anytime.
Speaker-Selecting this will toggle the speakerphone functionality for your current call.
Mute - Selecting this microphone button will mute your microphone until it has been deselected. You will still be able to hear the other party, they will not hear you. Click the button to toggle this option on/off.
Hold - Selecting this will mute your microphone and speakers until it has been deselected. You will not be able to hear the other party and they will not be able to hear you. Click the button to toggle this option on/off.
Transfer - Allows you to transfer this call to another number. Click the button and type in a phone number to transfer the call
Conference - Allows you to add additional people to a call. Click the add call button and type in the number to add them to the call. You can add up to 20 people to a conference.
Merge -Once you have initiated another call, this option will merge your current calls into a conference. Only available if you have 2 calls already connected.