System and method for data communication through call separation and control by mobile switching center

A data communication method for performing a data communication through the call separation and control of a mobile switching center in a mobile communication network which uses a mobile terminal, the data communication method comprising the steps of:

• determining through the mobile switching center, whether the called party is registered with the CPDS connected to said mobile communication network when a call is originated from the wireless terminal of the calling party;
• establishing the call path by the response of said called party by performing the voice call process if said called party is not registered with said CPDS as its user according to the result of said determination on whether or not the called party is registered;
• terminating the voice call connection and changing it to a data call, and connecting the wireless terminal of the calling party to said CPDS providing system if said called party is registered with said CPDS as its user according to the result of said determination of said registration of the called party;
• a first data service transmitting for transmitting the initial menu of the called party stored in the CPDS providing system to the wireless terminal of the calling party when the wireless terminal of the calling party is connected to the CPDS providing system;
• confirming whether or not the calling patty will use the data communication when the calling party selects a menu among said initial menus and requests the contents corresponding to the selected menu;
• a second data service transmitting for transmitting said requested contents to the wireless terminal of the called party when the calling party confirms that he or she will use the data communication;
• and establishing the call path between the calling and called parties by releasing the data call and performing the voice call process according to the speech call request of the calling party.

A data communication method for performing a data communication through call separation and control by a mobile switching center in a mobile communication network which uses a mobile terminal, the data communication method comprising the steps of:

• determining by the mobile switching center, whether the called party is registered as a user of the CPDS connected to said mobile communication network when a call path is released from the called party;
• releasing the call path of the called party if said called party is not registered with said CPDS as its user according to the result of the determination as to whether its called party has been registered;
• changing said call path to a data call, and connecting the wireless terminal of the calling party to said CPDS providing system if said called party is registered with said CPDS as its user according to the result of the determination as to whether its called party has been registered;
• a first data service transmitting for transmitting an initial menu of the called party stored in the CPDS providing system to the wireless terminal of the calling party when the wireless terminal of the calling party is connected to the CPDS providing system;
• confirming whether or not the calling party will use the data communication when the calling party selects a menu among said initial menus and requests the contents corresponding to the selected menu;
• a second data service transmitting for transmitting said requested contents to the wireless terminal of the called party when the calling party confirms that he or she will use the data communication;
• and releasing the data call at the request of the calling party.

A data communication method for performing a data communication through call separation and control by a mobile switching center in a mobile communication network which uses a mobile terminal, the data communication method comprising the steps of:

• configuring the CPDS service registration and call page application menu through PC or wireless terminal by the calling party and storing said call page application menu in his or her wireless terminal;
• inputting the information relating to the called patty's communicable state through the call page application execution by the called patty and storing said information in the CPDS providing system;
• confirming by the mobile switching center whether the calling or called parties have been registered with CPDS and requesting the calling party to execute the call page application when the calling patty attempts a voice call;
• outputting the call page application screen according to the application screen output option which is preset by the calling party when said call page application is executed on the wireless terminal of the calling party;
• processing having the speech call keep going on, having SMS, MMS, etc., being used, or having the initial menu provided by the called party being utilized according to the selection of the calling party after confirming the state of the called party whether or not the service registration has been registered, when said call page application screen is output on the wireless terminal of the calling party;
• and
• releasing the data call according to the request of the calling party.