Samsung SPH-D710ZKASPR - Manual (Page 44)

Phone 42
To deactivate Call Forwarding:
1. Press and tap .
2. Tap .
3. Tap . (You will see a message and hear a tone to confirm the deactivation.)
In-call Options
While you’re on a call, you will see a number of onscreen options. Tap an option to select it.
● Add call: Tap to initiate a 3-way call.
● Merge: Join two currently active calls (conference).
● Keypad/Hide: Toggle the appearance of the onscreen dialpad.
 For example: When you call your bank’s 800 number, use your dialpad to enter your
account number and PIN.
● End call: End the current call.