KR20090001154A - Method and system for selecting call type using callback of message - Google Patents

Abstract

The present invention relates to a method and system for selecting a call type using callback of a message.

To this end, the present invention provides a callback method of a message for receiving a call type request for a received message, selecting one call type, and transmitting a call request message of the selected call type to the calling terminal. In addition, the present invention provides a method for transmitting a message for transmitting a generated message including a call type number and a call type number of a calling terminal. The present invention also provides a home location register for storing subscriber information of a calling terminal and a called terminal; A message center for configuring a call type selection option according to subscriber information of the called terminal; A calling network that receives a message from a calling terminal and delivers the message to a message center; And a called network for transmitting a call request message for the selected call type.

According to the present invention, a user who has received a multimedia message can easily select a call type such as a video call or a voice call through a call type selection window displayed in a message window.

Description

Method and system for selecting call type using callback of message {Method and System for Choice of Call Type with Callback}

1 is a view schematically showing a video call system using a message callback according to an embodiment of the present invention;

2 is a structural diagram showing a format of a multimedia message transmitted from a calling terminal to a called terminal according to an embodiment of the present invention;

3 is a structural diagram showing a format of a call request message transmitted from a destination terminal to a destination exchange according to an embodiment of the present invention;

4 is an exemplary screen of a mobile terminal receiving a video call service using a callback of a message according to an embodiment of the present invention.

The present invention relates to a method and system for selecting a call type using callback of a message. More specifically, the present invention relates to a method and system for selecting a call type that can easily perform a video call or a voice call using a callback number at a receiving terminal receiving a message.

With the rapid development of electronic engineering and communication engineering, mobile terminals have various functions. That is, with the rapid development of wireless communication and data communication technology, people can use various functions such as internet access, games, message transmission, email transmission, and financial transactions as well as voice calls using mobile terminals.

In addition to the region or state of the mobile device, the text message or voice message can be used in case the call cannot be connected due to the other party leaving the mobile communication area or turning off the mobile terminal. Short message service (SMS) or voice message service (VMS) capable of delivering the message to the other party is widely used.

However, since the short message service or the voice message service transmits a simple text or voice message to the counterpart, it is difficult to satisfy various needs of the user. As a result, multimedia messaging service (MMS) has recently been developed to satisfy the desire of mobile subscribers to transmit messages in multimedia forms such as pictures, images, videos, and music, rather than simple text or voice messages. MMS 'is actively used.

When generating a message for transmission from the calling terminal to the called terminal, the user's telephone number is entered as a callback number. Accordingly, when the call button is input by the user, the called terminal receiving the message transmits a call request signal for connecting the voice call to the calling terminal that sent the message.

On the other hand, with the development of wireless communication and data communication technology, it is possible to provide various multimedia data at a high speed in the third generation mobile communication system, and thus, a video call service for making a call while watching the video of the other party has become popular. However, since the video call service uses a packet method instead of a conventional circuit method, a method different from the conventional voice call connection method is used in a video call call connection.

That is, when a receiving terminal receiving a message requests a video call or a voice call to a calling terminal or executes a specific application according to a callback, the receiving terminal should proceed according to different procedures. In order to solve such a complicated procedure, there is a need for a technology capable of selecting a video call, a voice call or an application execution at the same time.

In order to solve such a problem, the present invention provides a method and system for selecting a call type that can easily perform a video call or a voice call using a callback number in a receiving terminal receiving a message.

In order to achieve the above technical problem, a callback method for a message according to an embodiment of the present invention includes a callback method for a received message, the method comprising: (a) checking an input of a callback request for a received message; (b) receiving one call type according to a call type selection option for the callback; And (c) transmitting a call request corresponding to the selected call type to the terminal that has sent the message.

In addition, the message transmission method according to an embodiment of the present invention, a message transmission method for selecting a call type for the callback, (a) generating a message having the call number of the caller terminal; (b) adding a call type selection option for the callback to the message; And (c) sending a message to which a call type selection option has been added.

In addition, the call system according to an embodiment of the present invention in the system for performing a call by selecting the call type for the callback of the received message, storing the subscriber information of the originating terminal for sending the message and the receiving terminal for receiving the message. A home location register; A message center for configuring a call type selection option included in the message according to subscriber information of the called terminal confirmed from the home location register; An originating network for receiving a message generated at an originating terminal and delivering the message to a message center; And a destination network that delivers the message transmitted from the message center to the called terminal, and delivers a call request message for the selected call type at the called terminal to the calling network.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

In the implementation of a video call system and a video call service using a message callback according to an embodiment of the present invention, the present invention may be implemented by using various types of messages such as a short message, a voice message, a long message, and a multimedia message. . However, in the following description, a video call system and a video call service method using a multimedia message will be described.

1 is a diagram illustrating a video call system using a message callback according to an embodiment of the present invention.

According to an embodiment of the present invention, a video call system using a message callback includes a calling terminal 100, a calling network, a home location register (HLR) 140, and a multimedia messaging center (MMSC). Referred to as 'MMSC') 150, the called network and the called terminal 190. Here, the originating network includes an originating base station 110, an originating exchange 120, an originating media gateway (MGW) 130, and the terminating network includes the terminating exchange 160, the terminating media gateway 170, The destination base station 180 is included.

The calling terminal 100 is a terminal that generates a multimedia message to be sent to the called terminal 190 by using the loaded program, and transmits the multimedia message to the called terminal 190 through the mobile communication network.

The originating base station 110 is a device that is connected to the calling terminal 100 in a wireless section to control the calling terminal 210 and connects a call channel, and transmits a multimedia message sent from the calling terminal 100 to the calling exchange 120. And transmits a call request message transmitted through the originating exchange 120 to the originating terminal 100.

The originating exchange 120 is a core network element of the mobile communication network, controls a call and various additional services, establishes a call call, and provides a connection function with various other devices and an external network.

Here, when the source exchange station 130 according to the embodiment of the present invention receives the multimedia message from the originating base station 110, it checks the destination terminal 190 through the destination address field included in the multimedia message. Then, the subscriber information of the called terminal 190 is checked through the home location register 140. Then, the MMSC 150 transmits a multimedia message to the destination exchange 160 of the region where the destination terminal 190 is located.

In addition, when a call request signal is transmitted from the destination exchange 160, it is checked whether it is a voice call call request or a packet call call (hereinafter, referred to as a "video call call") request for a video call. A voice call call is established between the switch 160 and a video call call using the outgoing media gateway 130 when the video call request is made.

The originating media gateway 130 establishes a session for packet data exchange between the terminating media gateway 170 and performs a function of transmitting and receiving a video call call through the established session. At this time, the outgoing media gateway 130 converts the circuit call transferred from the originating exchange 120 into a packet call, and converts the packet call transferred from the terminating media gateway 170 into the circuit call.

The home location register 140 is a server that stores subscriber information of a mobile terminal subscribed to a mobile communication service. In addition, the home location register 140 checks the location information of the destination terminal 190, which is a transmission target of the multimedia message, in conjunction with a visitor location register (VLR). Accordingly, when the multimedia message from the originating exchange 120 is input, the home location register 140 checks the location information and the subscriber information of the called terminal 190 and confirms the originating exchange 120 and the MMSC 150. Location information and subscriber information.

The MMSC 150 receives and stores the multimedia message generated by the calling terminal 100, analyzes the multimedia message to check the information of the called terminal 190, and the called terminal whose information is confirmed through the called exchange 160. In step 190, the multimedia message is transmitted. At this time, if the multimedia message requested to be transmitted from the calling terminal 100 is not immediately transmitted to the receiving terminal 190, the preset time at the calling terminal 100 or the state where the called terminal 190 is able to receive it. Until it stores the multimedia message in MMSC 150. When the receiver confirms that the multimedia message transmitted from the calling terminal 100 is received, the corresponding multimedia message is deleted by the MMSC 150, and after a predetermined time elapses, or until a valid time set in advance by the calling terminal 100. Unsuccessful multimedia messages are deleted.

The destination exchange 160 receives the voice call call transmitted from the originating exchange 160, the video call call delivered through the destination media gateway 170, and the multimedia message delivered from the MMSC 150, and the destination base station 180. It serves to deliver. In addition, according to the call request message transmitted from the destination base station 180, it serves to request a session establishment for the call to the originating exchange 120. At this time, when a voice call call request is transmitted from the destination base station 180, a session for voice call is established between the originating exchange 120, and when the video call call request is delivered, the destination media gateway 170 is used. A video call is set up between the calling media gateway 130.

The incoming media gateway 170 establishes a video call session between the outgoing media gateways 160 and transmits and receives a packet call. To this end, the terminating media gateway 170 converts the circuit call transmitted from the terminating exchange 120 into a packet call, and converts the packet call transmitted from the originating media gateway 130 into the circuit call.

The terminating base station 180 performs location registration according to power-up of the terminating terminal 190 and serves to deliver multimedia messages and call calls transmitted through the terminating exchange 160 to the terminating terminal 190. In addition, it serves to deliver the call request message transmitted from the destination terminal 190 to the destination exchange (160).

The called terminal 190 is a terminal that displays a multimedia message transmitted from the calling terminal 100 using a loaded program and transmits a call request message to the calling terminal 100 through a mobile communication network. In addition, when the call button is input while the multimedia message is displayed, the called terminal 190 according to an embodiment of the present invention determines whether to transmit a video call request message or a voice call request message to the calling terminal 100. Creates a call type selection window for selection.

In such a video call system, the multimedia message is a call request message so that a call request message, that is, a video call request message or a voice call request message to be transmitted to the calling terminal 100 can be selected by only a call button input from the called terminal 190. It should include a separate field for selection of the type.

2 is a structural diagram showing a format of a multimedia message transmitted from a calling terminal to a called terminal according to an embodiment of the present invention.

The format of a multimedia message according to an embodiment of the present invention is a message type field 210, a message type field 220, a data size indication field 230, a destination address field 240, a callback number field 250, a callback type. Field 260, title field 270, and transmission data field.

The message type field 210 is a field indicating whether a message to be transmitted is a one-to-one type message, a one-to-many broadcast message, or a reply message.

The message type field 220 is a part indicating the type of a message to be transmitted (short message, long message, voice message, paging message, multimedia message, etc.).

The data size display field 230 is a portion for displaying the total size of the multimedia message to be transmitted or the size of data stored in the transmission data field 280.

The called address field 240 is a part including the telephone number of the called terminal 190, and the callback number field 250 is a part including the telephone number of the calling terminal 100 generating and sending the multimedia message.

The callback type field 260 is a field including selection details so that when a call button is input while a multimedia message is displayed on the called terminal 190, a type of a call request message to be transmitted to the calling terminal 100 can be selected. to be.

That is, according to an embodiment of the present invention, when the callback type field 260 includes the voice call and the video call selection option, when the call button is input while the multimedia message is displayed on the called terminal 190, A call type selection window for selecting whether to transmit a call request message or a voice call request message is generated and displayed.

The subject field 270 is a part including a title of the transmitted multimedia message, and the transmission data field 280 is a part including data such as a text, a photo, a video, and music included in the transmitted multimedia message.

As such, the format of the multimedia message according to the embodiment of the present invention further includes a callback type field 260, compared to the existing multimedia message format. Accordingly, the user of the called terminal 190 requests a call using the callback. When sending a message, you can select video call or video call.

3 is a structural diagram illustrating a format of a call request message transmitted from a called terminal to a called exchange according to an embodiment of the present invention.

According to an embodiment of the present invention, the call request message transmitted by the called terminal 190 to the mobile communication network may include a message size indication field 310, a call number field 320, a callback number field 330, and a callback type field 340. And a pilot information field 350, a required message information field 360, and a cyclic redundancy check (CRC) field 370.

In this case, an HTTP header field may be added to the call request message according to an embodiment of the present invention, which is located before the message size display field 310 and indicates a service related parameter.

The message size display field 310 is a field in which the size of the transferred call request message is displayed, and the call number field 320 is a field for displaying the telephone number of the called terminal 190 transmitting the call request message. In this case, the calling number field 320 may include a country code display field, a network code display field, and an outgoing Mobile Subscriber Identifier Number (MSIN) display field.

The callback number field 330 is a field in which the telephone number of the calling terminal 330 which is a call request target is displayed. That is, the callback number field 330 includes the telephone number included in the callback number field 250 of the multimedia message.

The callback type field 340 is a field including a call request message type selected by the user of the called terminal 190. That is, the call selection option selected by the user is set up and transmitted by the call selection option set in the callback type field 260 of the multimedia message transmitted from the calling terminal 100.

For example, the call selection option is set to 'Voice & Video' in the callback type field 260 of the multimedia message transmitted from the calling terminal 100, so that a call and a video call can be selected for the called terminal 190. When the type selection window is displayed, the callback type field 340 is set up as 'Voice' when the voice call is selected by the user, and the callback type field 340 is set up as 'Video' when the video call is selected by the user. .

The pilot information field 350 is a part including pilot information such as transmit / receive power, delay time, etc. that the called terminal 190 exchanges with the destination base station 180 through a pilot signal.

The essential message information field 360 is a part including various information necessary for transmitting the call request message. That is, the essential message information field 360 includes various information except for information transmitted and received through a pilot signal, for example, Protocol Revision Level, System ID (SID), and Network IDentification (NID). ), Pilot PN Offset Index (Pilot PN Offset Index), System Time (System Time), Paging Channel Data Rate (PRAT).

The CRC field 370 is a field included for error detection for verifying reliability of a transmitted call request message.

The destination exchange 160 receiving the call request message having such a structure establishes a session for the voice call call with the originating exchange 120 or originates using the destination media gateway 170 and the outgoing media gateway 130. A session for a video call call is established with the exchange 120.

4 is an exemplary screen of a mobile terminal receiving a video call service using a callback of a message according to an embodiment of the present invention.

In Figure 4 (a) is an exemplary screen of the originating terminal 100 for generating a multimedia message and transmitting to the mobile communication network, (b) receives a multimedia message from the mobile communication network, and sends a call request message to the calling terminal 100 An example screen of the called terminal 190 to transmit.

A first user who wants to transmit a multimedia message selects a menu for a multimedia message service in the calling terminal 100 and composes a multimedia message to be transmitted using a key button or the like. At this time, the created multimedia message includes data such as moving pictures, music, pictures, messages, and called numbers, such as 4A. When the creation of the multimedia message is completed and the transmission button is input, a screen or a message indicating the completion of the transmission of the multimedia message is displayed on the calling terminal 100 as shown in 4B.

Here, when the multimedia message is transmitted to the mobile communication network, the telephone number of the calling terminal 100 is input to the callback number field 250 as the callback number. In addition, when the second user requests a call from the first user, a voice call and a video call selection option is input to the callback type field 260 to select a voice call or a video call.

On the receiving terminal 190 of the second user who has received the multimedia message transmitted from the first user, a screen for notifying reception of the multimedia message is displayed as shown in 4C. When the confirmation button is input to confirm the contents of the multimedia message on the screen of 4C, the contents of the multimedia message transmitted from the calling terminal 100 are displayed as shown in 4D.

When the second user selects a call request with the calling terminal 100 through input of a call button or a menu button of the called terminal 190 while the multimedia message is displayed, a voice call or a video call can be selected. The call type selection window is displayed. In this case, the displayed multimedia message screen may be displayed by being switched to the call type selection window, and the call type selection window may be displayed in a popup form as shown in 4E.

When the second user selects a call type by using a numeric button or a direction button, the called terminal 190 transmits a call request message to the calling terminal 100 described in the callback number field 250. At this time, the video call request message is transmitted to the calling terminal 100 through the called exchange 160, the called media gateway 170, the calling media gateway 130, and the calling exchange 120, and at this time, the called terminal ( In 190, a screen such as 4F is displayed.

In the above description, the callback type field 260 includes two types of call request types, a voice call and a video call, so that a call request message can be transmitted to the calling terminal 100 using one of a voice call and a video call. It was explained on the basis of the selection. However, a menu for executing a specific application, such as sending a text message, sending a multimedia message, or blocking spam, may be added to the callback type field 260. Accordingly, the user of the called terminal 190 may select a use of various applications in addition to a voice call or a video call connection with the calling terminal 100 after checking a multimedia message and inputting a call button.

In addition, according to the present invention, the callback type field 260 included in the multimedia message may be configured in the MMSC 150. The MMSC 150 may check subscriber information, such as whether the called terminal 190 supports a video call from the home location register 140, and variously configure the callback type field 250 according to the state of the called terminal 190. have. For example, when the called terminal 190 does not support a video call, the MMSC 150 receiving the multimedia message from the calling terminal 100 does not select a video call, but selects only a voice call. ).

Here, the callback type field 250 configured in the calling terminal 100 may be set to be edited according to the subscriber information confirmed in the MMSC 150.

In addition, when the originating terminal 100 generates a multimedia message, it may be set to select and input a callback type.

The video call system using the callback of such a message may be used by a company operating a call center. In other words, when a company transmits advertisements, instructions, coupons, etc. as a multimedia message to a plurality of mobile terminals, and a user of the mobile terminal wants to proceed with a consultation, the user may immediately connect to the call center of the enterprise by video by inputting a call button. . At this time, the callback type field 260 is preferably set to allow only video calls.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

As described above, according to the present invention, a user who has received a multimedia message can easily select a call type such as a video call or a voice call through a call type selection window displayed in a message window according to the setting of a callback related field. It works.

In addition, by using a broadcast-type message in an enterprise, a multimedia message having a callback type set may be transmitted as an advertisement to a plurality of users, and the receiver of the multimedia message may simply connect with the enterprise by inputting a call button after checking the multimedia message. Accordingly, the user of the mobile terminal can be easily connected to the enterprise for the purchase of goods, problem solving, consultation, etc., the enterprise can obtain a great publicity effect as the access to the customer becomes easier.

Claims (9)

In a callback method for a received message, (a) confirming input of a callback request for the received message; (b) receiving one call type according to a call type selection option for the callback; And (c) transmitting a call request corresponding to the selected call type to the terminal that has sent the message; Callback method of the message comprising a. The method of claim 1, Step (a) is, The callback method of the message to confirm whether or not the callback request is input through the input of the call request using the call button or the menu button while the received message is displayed. The method of claim 1, Step (c) is, A callback number field containing a telephone number of a terminal that has sent the message; And A callback type field including the selected call type, wherein the call type is one of a voice call, a video call, and an application execution. Callback method of the message for transmitting the call request using a call request message comprising a. The method of claim 3, The call request message is A message size indication field indicating a size of a call request message; A calling number field including a telephone number of a terminal transmitting the call request message; A pilot information field containing information exchanged with a base station through a pilot signal; An essential message information field including information necessary for transmitting the call request message; And Cyclic Redundancy Check (CRC) field for error detection of the call request message Callback method of the message further including one or more of the. In the message transmission method for selecting the call type for the callback (Callback), (a) generating a message having the call number of the calling terminal as a callback number; (b) adding a call type selection option for the callback to the message; And (c) sending a message to which the call type selection option has been added; Message transmission method comprising a. The method of claim 5, The message is A callback number field containing a telephone number of the calling terminal which generates the message; And Said call type selection option, wherein the call type selection option is an option for selecting one of a voice call, a video call, and an application execution; Message transmission method comprising a. The method of claim 6, The message is A message type field indicating the type of message to be transmitted, wherein the type of message is one of one-to-one message, one-to-many message, reply message; A message type field indicating a type of said message, wherein the type of message is one of a short message, a long message, a voice message, a call message, and a multimedia message; A data size display field for displaying the total size of the message and the size of data included in the message; A called address field containing a telephone number of a called terminal receiving the message; A subject field indicating a subject of the message; And Transmission data field containing data carried in the message The message sending method further comprises one or more of. In the system for performing a call by selecting the call type for the callback (Callback) of the received message, A home location register for storing subscriber information of the originating terminal sending the message and the called terminal receiving the message; A call type selection option included in the message, wherein the call type selection option is an option for selecting one of a voice call, a video call, and an application execution according to the subscriber information of the called terminal confirmed from the home location register; Message center; An originating network that receives the message generated by the originating terminal and delivers the message to the message center; And A destination network that delivers a message transmitted from the message center to a called terminal, and delivers a call request message for the selected call type at the called terminal to the calling network. Currency system comprising a. The method of claim 8, The originating network, An originating base station, which is an end device connected to the originating terminal in a wireless section and receiving the message; An originating exchange station which delivers the message received from the originating base station to the message center and which is connected with the called network to process a call call connection according to the call request message; And An outgoing media gateway connected to the outgoing switching center to process a packet call Including, the called network, A terminating base station, which is an end device connected to the terminating terminal in a wireless section and transferring a message transmitted from the message center to the terminating terminal, and receiving a call request message from the terminating terminal; A terminating exchange station which transmits a call request message received from the terminating base station to the originating exchange station to process a call call connection and delivers the message received from the message center to the terminating base station; And A terminating media gateway connected to the terminating exchange to handle packet calls Call system comprising a.

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