Method for placing call in voice call continuity and terminal and server thereof

A method for providing an outgoing call originating from a terminal subscribed to a voice call continuity (VCC) service, the method comprising:

• storing, in the terminal, operator policy information and user preference information, the user preference information including domain selection information specifying a user-preferred domain to be used when originating the outgoing call from the terminal, the operator policy information including domain selection information specifying a network-preferred domain to be used when originating the outgoing call from the terminal;
• and
• performing, by the terminal, a domain selection for the outgoing call based on the user preference information or the operator policy information, depending on precedence information.

A device for providing service continuity and selecting a domain for an incoming call directed to a terminal in the service, the device comprising:

• a storage unit to store therein operator policy information and user preference information, the user preference information including domain selection information specifying a user-preferred domain to be used when transmitting the incoming call to the terminal, the operator policy information including domain selection information specifying a network-preferred domain to be used when transmitting the incoming call to the terminal;
• and
• a domain selection function unit to perform a domain selection for the incoming call based on the user preference information or the operator policy information, depending on precedence information.

A terminal for providing service continuity and selecting a domain for an outgoing call originating from the terminal in the service, the terminal comprising:

• a storage unit to store operator policy information and user preference information, the user preference information including domain selection information specifying a user-preferred domain to be used when originating the outgoing call from the terminal, the operator policy information including domain selection information specifying a network-preferred domain to be used when originating the outgoing call from the terminal;
• and
• a controller to perform a domain selection for the outgoing call based on the user preference information or the operator policy information, depending on precedence information.