Patent ID: RE45228

Claim:
A video telephony service method between mobile communication terminals, which can perform video telephony through a mobile communication system, in a mobile communication network, each of the mobile communication terminals storing profile information, the method comprising: the first step of the mobile communication system setting up a call between calling and called mobile communication terminals, as the calling mobile communication terminal attempts the call; the second step of the mobile communication system transmitting the profile information of the calling mobile communication terminal to the called mobile communication terminal, as the calling mobile communication terminal transmits the profile information thereof to the mobile communication system; the third step of the called mobile communication terminal consulting the profile information received from the calling mobile communication terminal, and transmitting a response signal to the mobile communication system after establishing conditions for video telephony if it is determined that video telephony is possible for a received profile, and the mobile communication system transmitting the response signal to the calling mobile communication terminal; and the fourth step of the mobile communication system establishing a communication path between the calling and called mobile communication terminals.