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METHOD AND SYSTEM FOR PROVIDING MESSAGE SERVICE ON CALL SERVICES BETWEEN CALLING TERMINAL AND CALLED TERMINAL THROUGH TELECOMMUNICATION NETWORK AND MOBILE TERMINAL PROVIDING MESSAGE SERVICES USING THE SYSTEM
METHOD AND SYSTEM FOR PROVIDING MESSAGE SERVICE ON CALL SERVICES BETWEEN CALLING TERMINAL AND CALLED TERMINAL THROUGH TELECOMMUNICATION NETWORK AND MOBILE TERMINAL PROVIDING MESSAGE SERVICES USING THE SYSTEM
Provided are a method for providing a message service on a call service comprising a first step of receiving a first path connection request signal from a transmitting terminal; a second step of receiving a second path connection request signal from a receiving terminal; a third step of forming a data path between the transmitting terminal and the receiving terminal based on the first and second path connection request signals; a fourth step of receiving a message service transition request signal for requesting a transition to a message service from at least one among the transmitting terminal and the receiving terminal and transmitting the message service transition request signal to a counterpart terminal; and a fifth step of providing the message service by transmitting and receiving a message between the transmitting terminal and the receiving terminal though the formed data path when a message service transition permission signal is received from the counterpart terminal, a system using the same, and a message service providing device using the same. [Reference numerals] (100) Message service providing system; (200) Transmitting terminal; (300) Receiving terminal; (AA) Communications network; (BB) Network
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