Samsung SCH-S960RWBTFN - Manual (Page 114)

Call Waiting
You can answer an incoming call while you have a call in progress, if
this service is supported by the network and you have previously set
the Call waiting option to Activate.
You are notified of an incoming call by a call waiting tone.
To answer a new call while you have a call in progress:
1. In a single motion, touch and slide it in any direction to
answer the new incoming call.
Note: The previous caller is placed on hold.
2. Tap Swap to switch between the two calls. This places the
new caller on hold and activates the previous call.
Important! The currently active call is displayed with a green
background.
3. Tap Swap again to switch back.
Logs Tab
The Logs tab is a list of the phone numbers (or Contacts entries) for
calls you placed, accepted, or missed. The Logs tab makes redialing
a number fast and easy. It is continually updated as your device
automatically adds new numbers to the beginning of the list and
removes the oldest entries from the bottom of the list.
The Notification area of the Home screen (upper-left) displays phone
notifications, status, or alerts such as:
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