Samsung SPH-I330 - Manual (Page 171)

Section 3: Using PCS Service Features
3A: The Basics 167
Responding to Call Waiting
Tip: For those calls where you don’t want to be interrupted, you can
temporarily disable call waiting by pressing before placing
your call. Call Waiting is automatically reactivated once you end the call.
You can answer an incoming call while on an existing call. If you are on
an existing call and another call is received, a tone is heard and a call
waiting message is displayed on the screen. If the caller is stored in the
address book, their name is also displayed.
Answering a Waiting Call
1. Tap the button. The phone connects to the other call while
placing the existing caller on hold.
Tip: You don’t have to worry about being interrupted during a Sprint PCS
Wireless Web call because Call Waiting and Three-Way Calling are
automatically disabled.
2. Tap the button again to switch back over to the original caller.
Three-Way Calling
Three way calling allows you to talk to two different people at the same
time. When using this feature, normal airtime rates apply for each of the
two calls.
1. Enter the number you wish to call and tap .
2. During the conversation, tap .
3. Dial the second person.
4. Tap . When the person answers, tap again to connect all
three parties.
If one of the people you called hangs up, you and the remaining caller
stay connected. If you initiated the call and are the first one to hang up,
all three calls are disconnected.