Samsung A886 - Manual (Page 164)

Settings
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
Busy: Forwards calls only when your number is in use and the caller
would otherwise receive a busy signal.

No Reply: Automatically forwards all calls after a preset time (5, 10, 15,
20, 25 or 30 Seconds).

Unreachable: Forwards calls when you are not in an area covered by
your service provider or when your phone is switched off.

Cancel All: Deactivates call forwarding.
The phone sends your settings to the network and the network’s
acknowledgement is displayed.
Call Barring
Call Barring allows you to restrict various types of calls from being made or
received with your phone, such as all outgoing calls or international calls.
This option is SIM dependent and requires a subscription. For more
information, contact your service provider.
Call Waiting
Call Waiting informs you when someone is trying to reach you during
another call. Touch Activate, Deactivate or Check Status.
Auto Redial
Auto Redial lets you configure your phone to automatically redial the last
dialed number if the connection is lost or the call was unable to connect.
Note: For carriers that automatically divert unanswered calls to voice mail, the Auto redial
feature will not provide useful service.
Connectivity
The Connectivity menu let you manage the settings associated with
Bluetooth and Network connections.