| 摘要 |
<p>A method for a call session control function (CSCF) server to set up a call session in an internet protocol multimedia subsystem (IMS) network comprises: a step of receiving a registration-requesting message from user equipment performing an origination-dedicated service; a step of performing an authentication process for the user equipment with a home subscriber server (HSS) according to the registration request; a step of transmitting a message requesting registration of the user equipment to the HSS if the authentication is successful; and a step of transmitting a message notifying success of the registration to the user equipment if the registration of the user equipment is successful.</p> |
