HTC Thunderbolt manual Turning the speakerphone on or off during a call

 

Phone calls	70
Making calls	70
Making a call on the Phone dialer screen	70
Using Speed dial	71
Calling a phone number in a text message	72
Calling a phone number in an email	72
Making an emergency call	73
Using Assisted Dialing	74
Receiving calls	75
Answering or rejecting an incoming call	75
HTC Caller ID	77
Using in-call options	78
Putting a call on hold	78
Switching between calls	78
Setting up a three-way conference call	79
Turning the speakerphone on or off during a call	79
Muting the microphone during a call	80
Ending a call	80
Using Call history	81
Checking a missed call	81
Checking calls in the call history	81
Adding a new phone number to your contacts from call history...	82
Clearing the call history list	82
Call services	83
Visual Voice Mail	84
Setting up Visual Voice Mail	84
Using Visual Voice Mail	85
Turning Airplane mode on or off	86