HTC DROID Incredible - Manual (Page 67)

Phone calls
Press HOME , and then tap .
Press MENU, and then tap settings > Edit default
message.
Enter the new message, and then tap
OK.
Using in-call options
When a call is in progress, use the buttons onscreen to mute or
unmute the microphone or to turn the speakerphone on or off. You
can also press MENU to open the call options to let you add a call,
place the call on hold, mute the microphone, and more.
Handling multiple calls
Your phone notifies you when you have another incoming call, and
gives you the option of rejecting or accepting the call. If you are
already on a call and accept the new call, you can choose to switch
between the two callers.
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