Muting The Microphone During A Call; Turning The Speakerphone On Or Off During A Call; Ending A Call - HTC Desire User Manual

Not all mobile networks support conference calling. Contact your
service provider for details.

Muting the microphone during a call

On the screen, tap
or off. When the microphone is turned off, the Mute icon (
in the status bar.

Turning the speakerphone on or off during a call

On the screen, tap
on or off. The Speakerphone icon (
the speakerphone is on.
To avoid damage to your hearing, do not hold your phone against
your ear when the speakerphone is turned on.

Ending a call

On the screen, tap End call.
If the phone display is off, press POWER to turn on the screen so you
can tap End call.
If the phone number of the person who called is not in your contacts
list, you can choose to save the number to your contacts list after you
hang up.
to toggle between turning the microphone on
to toggle between turning the speakerphone
) appears in the status bar when
Phone calls 69
) appears