Samsung SCH-R640 User Manual page 56

While in a call, the following buttons
appear in the display:
Dialer: Launches the Dialer
1.
screen, letting you make a three-
way call. (For more information,
refer to "Three-way Calling" on
page 39.)
Bluetooth: Launches the Bluetooth
2.
screen, letting you switch this
call's sounds from the phone's
earpiece and microphone to a
Bluetooth device. (For more information, refer to "Device List"
on page 148.)
Options: The following options pop-up:
3.
• Contacts: Launches the Contact List screen, letting you make a three-
way call with one / another of your Contacts. (For more information, refer
to "Finding a Contacts Entry" on page 65.)
• Recent Calls: Launches the All calls screen, listing the most current
calls. (For more information, refer to "Calls" on page 52.)
• Message: Launches the Message menu. (For more information, refer to
"Messaging" on page 85.)
• Send DTMF: Sends your phone number as DTMF (Dual-Tone Multi-
Frequency) tones to the other party to the call.
• Voice Privacy: Lets you change your phone's current Voice Privacy
setting. (For more information, refer to "Voice Privacy" on page 182.)
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