Nokia C3-01 - Manual (Page 21)

For availability, contact your service provider.
1 While in a call, select
Options > More > New call .
2 Enter a phone number, or search for a contact.
3 Press the call key.
4 When both calls are active, select Options > Conference .
5 To end the conference call, select Options > End call .
Allow calls only to certain numbers
With the fixed dialing service (network service), you can restrict calls, and only allow
calls to certain phone numbers. For example, you can only allow calls to family members.
Select
Menu > Settings and Security .
1 Select Fixed dialing > On .
2 Enter your PIN2 code.
3 Add the desired numbers to the list of allowed numbers.
Tip: If you want to send a text message while the fixed dialing service is active, you
need to add the message center number to the list of allowed numbers.
Prevent making or receiving calls
Keep your phone bill under control by preventing certain types of calls (network service).
You can prevent, for example, incoming calls while you're abroad.
Select
Menu > Settings and Security . To prevent calls, you need a barring password
from your service provider.
Telephone 21