KR20030030221A - Method for providing voice and data service in mobile communication system - Google Patents

Abstract

PURPOSE: A method for providing voice and data services in a mobile communication system is provided to convert a mode of a mobile communication terminal into another service mode according to the request of a user during a service by one time call connection, so as to enable a user to easily receive the voice service or the data service. CONSTITUTION: A BS(Base Station) connects a call between transmitting and receiving MSs(Mobile Stations)(S301). A mobile communication system provides a voice service between the MSs(S302). If a transmitting user presses a specific key for converting a mode to a data service mode(S303), the transmitting MS transmits a dual sound multi frequency tone to the receiving MS(S304). The receiving MS transmits a dual sound multi frequency tone indicating acknowledgement to the transmitting MS(S305). The transmitting MS converts the mode to the data service mode(S306). The mobile communication system provides a data service between the MSs(S307). If the transmitting user presses a specific key for converting the data service mode to a voice service mode(S308), the transmitting MS transmits a voice control command for conversion to a prior voice service mode to the receiving terminal(S309). The receiving MS transmits a control command indicating acknowledge to the transmitting MS(S310). The transmitting MS converts the data service mode to the prior voice service mode(S311). And the mobile communication system provides a voice service between the transmitting and receiving MSs(S312).

Description

Method for providing voice and data service in mobile communication system {Method for providing voice and data service in mobile communication system}

The present invention relates to a method for providing voice and data services in a mobile communication system, and more particularly, to a method for switching to a data service mode during a voice service by one call connection or a voice service mode during a data service.

In general, a mobile communication system provides a voice service and a data service to a subscriber's mobile communication terminal, and these services are provided to a mobile communication terminal through a mobile station (MS). Here, the base station attempts a call connection to the receiving mobile communication terminal according to the request of the transmitting side. At this time, the base station determines whether the service requested by the transmitting side is a voice service or a data service, and then between the transmitting side and the receiving side. In the call connection state, the requested service is provided according to a service option (SO) as shown in FIGS. 1A to 1E.

FIG. 1A shows a protocol stack configuration for service options 1 and 3 (SO: 1, 3), and this SO1 is for providing a voice service of a QCELP method or an EVERC method.

FIG. 1B shows a protocol stack configuration for service option 0x8003 (SO: 0x8003). The SO 0x8003 is to provide data service by a QCELP / EVERC Vocoder Bypass scheme.

Figure 1c shows the protocol stack configuration for service options 4, 12/5, 13 (SO: 4, 12/5, 13), where SO 4, 12 is to provide a circuit data service using a modem, SO 5 and 13 are for providing a fax data service using a fax modem.

FIG. 1D shows the protocol stack configuration for service options 7, 15, 22, 25, 33 (SO: 7, 15, 22, 25, 33), where SO 7, 15, 22, 25, 33 represents Ethernet ( It is to provide a packet data service using Ethernet).

FIG. 1E shows the protocol stack configuration for service options 4, 12, 7, 15, 22, 25, 33 (S0: 4, 12, 7, 15, 22, 25, 33). It is to provide circuit data service using, fax data service using a fax modem, and packet data service using Ethernet.

In the figure, MS is Mobile Station, BS is Base Station, MSC is Mobile Station Controller, IWF is Inter Working Function, PDSN is Packet Data Service Network, and PPDN is Public Packet Digital Network.

In the conventional case of providing a voice service or a data service according to the service option as described above, the mobile communication terminal cannot be switched to the data service mode while providing a voice service by one call connection. In order to switch the mobile terminal to the data service mode in the state, there was a need to terminate the current call connection and provide the data service through the new call connection.

Similarly, in order to switch the mobile communication terminal to the voice service mode in the data service state, there is a need to provide a voice service through a new call connection.

Accordingly, the present invention has been made to solve the above problems, and provides a voice service by switching a mobile communication terminal to a voice service mode according to a user's request during a data service by one call connection in a mobile communication system. The purpose is to provide a way to do this.

Another object of the present invention is to provide a method for providing a data service by switching a mobile communication terminal to a data service mode according to a user's request during a voice service by one call connection in a mobile communication system.

According to the present invention, a user can easily receive a voice service or a data service through a mobile communication terminal by switching the mobile communication terminal to another service mode according to a user's request while providing a service by one call connection in a mobile communication system. Another goal is to provide a way to do this.

1A to 1E are diagrams illustrating a protocol stack for a service option for providing a voice or data service in a conventional mobile communication system.

2A to 2J are diagrams illustrating a protocol stack for service options for providing voice and data services in a mobile communication system according to the present invention.

3 is a flowchart illustrating a method for providing voice and data services in a mobile communication system according to an embodiment of the present invention.

4 is a flowchart illustrating a method for providing voice and data services in a mobile communication system according to another embodiment of the present invention.

5 is a flowchart illustrating a method for providing voice and data services in a mobile communication system according to another embodiment of the present invention.

In order to achieve the above object, the present invention provides a method for switching between a voice service mode and a data service mode in a call connection state by a voice call in a mobile communication system, the call being by a voice call transmitted from one mobile communication terminal. A first step of providing a voice service after connecting a first mobile communication terminal with a second mobile communication terminal according to a connection request; According to a user's instruction during a voice call, the first mobile communication terminal moves a second series of dual-tone tones including a predetermined first service option currently in use and a predetermined second service option for data service. A second step of transmitting to a communication terminal; In response to the data service request by the transmitted serial multi-frequency tone, the second mobile communication terminal transmits the dual-tone multi-frequency tone indicating acceptance to the first mobile communication terminal according to a user's instruction, Stopping a vocoder and executing a predetermined protocol for data service to switch to a data service mode supporting a service corresponding to the predetermined second service option; The first mobile communication terminal stops the operation of the vocoder and executes a predetermined protocol in response to receiving the transmitted double-tone multi-tone to a data service mode that supports a service corresponding to the predetermined second service option. A fourth step of conducting a data call after switching; A fifth step of transmitting, by the first mobile communication terminal, a voice control command for switching to a previous voice service mode to the second mobile communication terminal according to a user's instruction during a data call; In response to the voice service request by the transmitted voice control command, the second mobile communication terminal transmits a control command indicating acceptance to the second mobile communication terminal, stops execution of the predetermined protocol, and A sixth step of operating the vocoder to switch to the previous voice service mode; And the first mobile communication terminal stops executing the predetermined protocol and operates the vocoder to switch to a previous voice service mode when the control command of acceptance is received, and then ends a call or switches to a data service mode. And a seventh step of conducting the voice call until instructed.

The present invention provides a method for switching between a voice service mode and a data service mode in a call connection state by a data call in a mobile communication system, the method comprising: a first call connection request by a data call transmitted from one mobile communication terminal; A first step of providing a data service after a call connection between the mobile communication terminal and the second mobile communication terminal; A second step of transmitting, by the first mobile communication terminal, a voice control command to the second mobile communication terminal to instruct to switch to a voice service mode during a data call; In response to the voice service request by the voice control command, the second mobile communication terminal transmits a control command indicating acceptance to the first mobile communication terminal according to a user's instruction, and provides a predetermined protocol for data service. A third step of operating a vocoder for a voice service in the running state and switching to a voice service mode supporting a service corresponding to a corresponding service option; The first mobile communication terminal performs a voice call after switching to a voice service mode supporting a service corresponding to a corresponding service option by operating a vocoder in a state where a predetermined protocol is being executed according to the acceptance control command being received. A fourth step of doing; In response to a user's instruction during a voice call, the first mobile communication terminal transmits, to the second mobile communication terminal, a series of dual multi-frequency tones for switching to a previous data service mode; In response to the data service request by the transmitted serial multi-frequency tones, the second mobile communication terminal transmits the dual multi-frequency tone indicating acceptance to the first mobile communication terminal and stops the operation of the vocoder. A sixth step of switching to a data service mode according to a previous data service option by executing only a data protocol; And the first mobile communication terminal stops the operation of the vocoder in response to the reception of the double tone tone of the acceptance and executes only the data protocol to switch to the data service mode by the previous data service option, and then terminates the call or the voice service. And a seventh step of conducting the data call until there is an instruction to switch to the mode.

According to the present invention, when a specific control command is transmitted and received during data service by one call connection in a mobile communication system, the mobile terminal switches to a voice service mode or a dual tone multi-frequency during voice service by another call connection. (DTMF: Dual Tone Multi Frequency) To provide a method for switching a mobile communication terminal to a data service mode as a tone (Tone) is transmitted and received, a preferred embodiment of such a service providing method of the present invention It demonstrates in detail with reference.

First, in order to receive voice and data services according to the present invention, a mobile communication terminal has a specific key for switching from a data service mode to a voice service mode and a specific key for switching from a voice service mode to a data service mode. And a program for switching these service modes should be built in.

2A to 2J illustrate the configuration of a protocol stack for a service option for providing voice and data services in a mobile communication system according to the present invention.

Figure 2a shows the configuration of the protocol stack for service options 1, 3 (SO: 1, 3), which service options 1, 3 are for providing voice services for voice calls.

2B illustrates a configuration of a protocol stack for providing a data service according to service option 0x8003 in a call connection state by a voice call according to service options 1 and 3.

2C shows the configuration of the protocol stack for service options 4, 12/5, 13 (SO: 4, 12/5, 13), where service options 4, 12/5, 13 are data for circuit data calls. It is to provide a service.

FIG. 2D illustrates a configuration of a protocol stack for providing a voice service according to service options 1 and 3 in a call connection state by a circuit data call according to service options 4, 12/5, and 13.

Figure 2e shows the configuration of the protocol stack for service options 7, 15, 22, 25, 33 (SO: 7, 15, 22, 25, 33). To provide a data service for a packet data call.

2F illustrates a configuration of a protocol stack for providing a voice service according to service options 1 and 3 in a call connection state by a packet data call according to service options 7, 15, 22, 25, and 33. Referring to FIG.

Figure 2G shows the configuration of the protocol stack for service option 0x8003 (SO: 0x8003), which is intended to provide data services for PIWF data calls.

Figure 2h shows the configuration of a protocol stack for providing a voice service according to service options 1 and 3 in a call connection state by a PIWF data call according to service option 0x8003.

Figure 2i shows the configuration of a protocol stack for data services in the WAP (WAP).

2J illustrates the configuration of a protocol stack for voice service in a WAP.

In the figure, MS is Mobile Station, BS is Base Station, MSC is Mobile Station Controller, IWF is Inter Working Function, PDSN is Packet Data Service Network, and PPDN is Public Packet Digital Network, VOIP is Voice Over IP, PIWF is Proxy Inter Working Function, RLP is Relay Layer Protocol, PPP is Point to Point, IP is Internet Protocol, TCP is Transport Control Protocol, UDP is User Datagram Protocol.

Here, the IWF has a modem mode, a fax mode, or an Ethernet card as a necessary device for data service in a wireless communication network. PDSN has Ethernet card as a necessary device for packet data service in wireless communication network. PIWF is a data service that bypasses the vocoder of the BSC system without actually using the IWF device and uses the RLP in the mobile communication terminal. RLP is a protocol for assembling and reassembling data transmitted and received in a predetermined unit in order to perform data service in a mobile communication terminal.

A process of switching a service mode between a voice service mode and a data service mode in a call connection state by a voice call according to the service options as described above will be described in detail with reference to FIG. 3.

First, in response to a request of the transmitting mobile terminal, the base station attempts to make a call connection by voice calls according to service options 1 and 3 and makes a call connection between the transmitting mobile terminal and the receiving mobile terminal (S301). In this way, when a call connection is made by a voice call, the mobile communication system provides a voice service between the transmitting terminal and the receiving terminal (S302), and during a voice call, a specific key for the transmitting user to switch to the data service mode. When pressing (S303), the transmitting terminal transmits a series of dual multi-frequency tones to support the service corresponding to the service options 1, 3 and service option 0x8003 for data service (S304).

When the multi-tone frequency transmitted in this way is received by the receiving terminal, the receiving user responds to an inquiry about a data call requested from the transmitting side, wherein the receiving user presses a specific key of the mobile communication terminal to receive data. Upon acceptance of the request from the sender for the call, the receiving terminal transmits to the transmitting terminal a dual-tone frequency indicating an acknowledgment (ACK), and stops the operation of the vocoder and executes the protocol RLP for data service. In operation S305, the data service mode supports the service corresponding to the service option 0x8003.

Subsequently, when the multi-tone multi-tone tone of the acknowledgment (ACK) is received by the transmitting terminal through the communication network, the transmitting terminal stops the operation of the vocoder and executes the protocol RLP to switch to the data service mode including the service option 0x8003. (S306).

As such, when the transmitting terminal and the receiving terminal are switched to the data service mode supporting a service corresponding to the service option 0x8003, the mobile communication system provides a data service between the transmitting terminal and the receiving terminal (S307).

While performing a data call through the data service mode switching process, when the sender user presses a specific key for switching to the voice service mode (S308), the sender terminal is configured to switch to the previous voice service mode. The voice control command is transmitted to the receiving terminal (S309).

When the voice control command transmitted in this way is received by the receiving terminal, the receiving user responds to an inquiry about the voice call requested from the transmitting side, wherein the receiving user presses a specific key of the mobile communication terminal to make a voice call. Upon acceptance of the request from the sender for the request, the receiving terminal transmits a control command indicating an acknowledgment (ACK) to the transmitting terminal, stops the execution of the protocol RLP and operates the vocoder for the voice service. Switch to the voice service mode (S310).

Subsequently, when the control command of the acknowledgment (ACK) is received by the transmitting terminal, the transmitting terminal stops executing the protocol RLP and operates the vocoder to switch to the previous voice service mode (S311).

As such, when the transmitting terminal and the receiving terminal are switched to the previous voice service mode, the mobile communication system provides a voice service between the transmitting terminal and the receiving terminal (S312).

4 illustrates a process of switching a service mode between a data service mode and a voice service mode in a call connection state by a data call according to the service options as described above.

Referring to FIG. 4, at the request of the transmitting mobile terminal, the base station calls a data call according to a service option (SO: 4, 12, 5, 13, 7, 15, 22, 25, 33, 0x8003). An attempt is made to connect a call-side mobile communication terminal and a receiver-side mobile communication terminal (S401). In this way, when a call connection is made by a data call, the mobile communication system provides a data service between the transmitting terminal and the receiving terminal (S402), and during a data call, a specific key for the transmitting user to switch to the voice service mode. When pressing (S403), the transmitting terminal transmits a voice control command for instructing voice service mode switching to the receiving terminal (S404).

When the voice control command transmitted in this way is received by the receiving terminal, the receiving user responds to an inquiry about the voice call requested from the transmitting side, wherein the receiving user presses a specific key of the mobile communication terminal to make a voice call. Upon acceptance of the request from the sender for the request, the receiving terminal transmits a control command indicating an acknowledgment (ACK) to the transmitting terminal, and protocols (RLP, TCP / IP / PPP) for data service are being executed. In operation S405, a vocoder for a voice service is operated in a state to switch to a voice service mode supporting a service corresponding to a corresponding service option.

Subsequently, when the control command of the acknowledgment (ACK) is received to the transmitting terminal through the communication network, the transmitting terminal operates the vocoder while the protocols (RLP, TCP / IP / PPP) are running to correspond to the corresponding service option. Switch to the voice service mode to support the service (S406).

As described above, when the transmitting terminal and the receiving terminal are switched to the voice service mode supporting a service corresponding to the corresponding service option, the mobile communication system provides a voice service between the transmitting terminal and the receiving terminal (S407).

While the voice call is being performed through the voice service mode switching process, when the transmitting user presses a specific key for switching to the data service mode (S408), the transmitting terminal determines the previous data service mode. A series of dual tone multi-frequency tones are transmitted to the receiving terminal (S409).

When the multi-tone frequency transmitted in this way is received by the receiving terminal, the receiving user responds to an inquiry about a data call requested from the transmitting side, wherein the receiving user presses a specific key of the mobile communication terminal to receive data. Upon acceptance of the request from the sender for the call, the receiving terminal transmits a dual-tone frequency tone indicating an acknowledgment (ACK) to the transmitting terminal, stops the operation of the vocoder and executes only the data protocol to transfer the previous data. Switch to the data service mode by the service option (S410).

Subsequently, when the dual tone multi-tone tone of the acknowledgment (ACK) is received by the transmitting terminal, the transmitting terminal stops the operation of the vocoder and executes only the data protocol to switch to the data service mode by the previous data service option (S411). .

As such, when the transmitting terminal and the receiving terminal are switched to the previous data service mode, the mobile communication system provides a data service between the transmitting terminal and the receiving terminal (S412).

The service provision for switching the service mode according to the present invention provided through the above process is repeatedly performed according to the user's request until the call is terminated.

The service for switching the service mode according to the present invention as shown in FIGS. 3 and 4 is a mobile communication terminal provided with a swap service using service options (SO: 4, 12, 7, 15, 22, 25, 33). It is also provided in the liver.

A process of connecting a transmitting and receiving mobile communication terminal to a swap server providing such a swap service will be described with reference to FIG. 5.

Referring to FIG. 5, the sending terminal accesses the dialer URL of the swap server (S501), selects a menu item for voice call, delivers the contents, or receives a voice call through the swap server. Enter the phone number and wait (S502).

Subsequently, the swap server pushes a swap (SMS transmission: including dial URL information to be connected) to the receiving terminal (S503).

Then, the receiving terminal accesses the dialer URL of the swap server, listens to the voice message left by itself, or makes a voice call with the transmitting terminal (S504).

Briefly describing the service mode switching process according to the present invention as described above, as shown in [Table 1] and [Table 2].

Meanwhile, the above-described service mode switching process is described as a method of switching a service mode according to a request of a transmitting side, but this is for convenience of description, and the present invention provides a service switching mode during a call by one call connection. Even if a request is made, the service mode is switched through the above-described process.

Although the technical spirit of the present invention has been described in detail according to the above-described preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention.

As described above, according to the present invention, the mobile communication system switches to the voice service mode or the data service mode according to the user's request during the data service or voice service by one call connection, so that the user can make a call by one call connection. In the state, it is possible to switch to another call service mode without requiring a separate call connection, thereby facilitating the convenience of the user in the call.

Claims (16)

A method for switching between a voice service mode and a data service mode in a call connection state by a voice call in a mobile communication system, A first step of providing a voice service after making a call connection between a first mobile communication terminal and a second mobile communication terminal according to a call connection request by a voice call transmitted from one mobile communication terminal; According to a user's instruction during a voice call, the first mobile communication terminal moves a second series of dual-tone tones including a predetermined first service option currently in use and a predetermined second service option for data service. A second step of transmitting to a communication terminal; In response to the data service request by the transmitted serial multi-frequency tone, the second mobile communication terminal transmits the dual-tone multi-frequency tone indicating acceptance to the first mobile communication terminal according to a user's instruction, Stopping a vocoder and executing a predetermined protocol for data service to switch to a data service mode supporting a service corresponding to the predetermined second service option; The first mobile communication terminal stops the operation of the vocoder and executes a predetermined protocol in response to receiving the transmitted double-tone multi-tone to a data service mode that supports a service corresponding to the predetermined second service option. A fourth step of conducting a data call after switching; A fifth step of transmitting, by the first mobile communication terminal, a voice control command for switching to a previous voice service mode to the second mobile communication terminal according to a user's instruction during a data call; In response to the voice service request by the transmitted voice control command, the second mobile communication terminal transmits a control command indicating acceptance to the second mobile communication terminal, stops execution of the predetermined protocol, and A sixth step of operating the vocoder to switch to the previous voice service mode; And The first mobile communication terminal stops executing the predetermined protocol and operates the vocoder to switch to the previous voice service mode when the control command of the acceptance is received, and then instructs to terminate the call or to switch to the data service mode. 7th step of making a voice call until there is Voice and data service providing method in a mobile communication system comprising a. The method of claim 1, In the first step, The voice call requesting the call connection is provided with a service corresponding to service options 1 and 3. The method of claim 1, In the second step, The user presses a specific key attached to the first mobile communication terminal to request the switch to the data service mode, The first mobile communication terminal transmits the series of dual tone multi-frequency tones supported by the service options 1 and 3 currently being used and the service option 0x8003 for data service. And how to provide data services. The method of claim 1, In the third step, The user presses a specific key attached to the second mobile communication terminal to respond to a request for switching to a data service mode, And the second mobile communication terminal switches to a data service mode supporting a service corresponding to service option 0x8003 by executing a protocol RLP for data service. The method of claim 1, In the fourth step, The first mobile communication terminal performs a protocol RLP to switch to a data service mode supporting a service corresponding to service option 0x8003, the voice and data service providing method in a mobile communication system. The method of claim 1, In the fifth step, The user presses a specific key attached to the first mobile communication terminal to request to switch to the voice service mode. The method of claim 1, In the sixth step, The user responds to the request for switching to the voice service mode by pressing a specific key attached to the second mobile communication terminal, And the second mobile communication terminal suspends execution of the protocol RLP and operates the vocoder to switch to a previous voice service mode. The method of claim 1, In the seventh step, And the first mobile communication terminal stops execution of a protocol RLP and operates the vocoder to switch to a previous voice service mode. A method for switching between a voice service mode and a data service mode in a call connection state by a data call in a mobile communication system, A first step of providing a data service after connecting a first mobile communication terminal and a second mobile communication terminal according to a call connection request by a data call transmitted from one mobile communication terminal; A second step of transmitting, by the first mobile communication terminal, a voice control command to the second mobile communication terminal to instruct to switch to a voice service mode during a data call; In response to the voice service request by the voice control command, the second mobile communication terminal transmits a control command indicating acceptance to the first mobile communication terminal according to a user's instruction, and provides a predetermined protocol for data service. A third step of operating a vocoder for a voice service in the running state and switching to a voice service mode supporting a service corresponding to a corresponding service option; The first mobile communication terminal performs a voice call after switching to a voice service mode supporting a service corresponding to a corresponding service option by operating a vocoder in a state where a predetermined protocol is being executed according to the acceptance control command being received. A fourth step of doing; In response to a user's instruction during a voice call, the first mobile communication terminal transmits, to the second mobile communication terminal, a series of dual multi-frequency tones for switching to a previous data service mode; In response to the data service request by the transmitted serial multi-frequency tones, the second mobile communication terminal transmits the dual multi-frequency tone indicating acceptance to the first mobile communication terminal and stops the operation of the vocoder. A sixth step of switching to a data service mode according to a previous data service option by executing only a data protocol; And The first mobile communication terminal stops the operation of the vocoder in response to the reception of the double tone tone of the acceptance and executes only the data protocol to switch to the data service mode by the previous data service option, and then terminates the call or the voice service mode. Seventh step of making a data call until instructed to switch to Voice and data service providing method in a mobile communication system comprising a. The method of claim 9, In the first step, The data call requesting the call connection is provided with a service corresponding to service options 4, 12, 5, 13, 7, 15, 22, 25, 33, and 0x8003. How to Provide. The method of claim 9, In the second step, The user presses a specific key attached to the first mobile communication terminal to request to switch to the voice service mode. The method of claim 9, In the third step, The user responds to the request for switching to the voice service mode by pressing a specific key attached to the second mobile communication terminal, The second mobile communication terminal operates a vocoder for a voice service while a protocol (RLP, TCP / IP / PPP) for data service is running to switch to a voice service mode supporting a service corresponding to a corresponding service option. Voice and data service providing method in a mobile communication system, characterized in that. The method of claim 9, In the fourth step, Wherein the first mobile communication terminal switches the voice service mode to support a service corresponding to a corresponding service option by operating the vocoder while the protocol (RLP, TCP / IP / PPP) is running. Method of providing voice and data services in the system. The method of claim 9, In the fifth step, The user presses a specific key attached to the first mobile communication terminal to request to switch to the data service mode. The method of claim 9, In the sixth step, A user responds to a request for a data call by pressing a specific key attached to the second mobile communication terminal. The method according to any one of claims 1 to 15, While the first and second mobile communication terminals are receiving a swap service by a swap server, the voice service mode is switched to the data service mode or the data service mode is switched to the voice service mode. Method of providing voice and data service in mobile communication system.