KR20130140442A - Method for providing communication service by caller selecting called network and apparatus therefor - Google Patents
Method for providing communication service by caller selecting called network and apparatus therefor Download PDFInfo
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- KR20130140442A KR20130140442A KR1020120063847A KR20120063847A KR20130140442A KR 20130140442 A KR20130140442 A KR 20130140442A KR 1020120063847 A KR1020120063847 A KR 1020120063847A KR 20120063847 A KR20120063847 A KR 20120063847A KR 20130140442 A KR20130140442 A KR 20130140442A
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- network
- terminal
- mobile communication
- access network
- communication terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
The present invention relates to a method for providing a communication service through a called network selected by a caller, and more particularly, when a caller selects a specific called network from among a plurality of called networks, the caller terminal and the called terminal use the selected called network. A communication service providing method for forming a session and an apparatus therefor.
Due to the development of mobile communication network, voice, audio, video based on IP protocol. An IP Multimedia Subsystem (IMS) has been developed that provides a combination of multimedia and the like. IMS is compatible with other communication networks, can provide various contents at the same time, and is easy to scale. The following document discloses a method for controlling a multimedia session using IMS.
Meanwhile, as various communication networks are established today, a multi-band multi-mode terminal supporting a plurality of communication modes in one mobile communication terminal has been developed, and subscribers use different mobile communication terminals. It is possible to selectively connect to any one of a plurality of mobile communication networks. For example, users can use a multiband multimode terminal connected to either a wideband code division multiple access network (WCDMA) network or a long term evolution network (LTE). When the user wants to talk, he / she can access a WCDMA network and receive a mobile communication service.
However, the IMS registers a multiband multimode terminal through only one communication network. For example, when a multiband multimode terminal moves from a WCDMA network to a place where a WCDMA network and a WiFi network overlap, the IMS releases the terminal registration for the WCDMA network and newly generates the terminal registration information for the WiFi network. Save it. However, this method is forcing the user to select only one communication network, which acts as a problem of lowering the user's service satisfaction.
The present invention has been proposed to solve such a conventional problem, and stores a registration key for a plurality of heterogeneous access networks to which a mobile terminal can access, in a plurality of heterogeneous access networks to which a caller is connected. It is an object of the present invention to provide a method and apparatus for providing a communication service for establishing a session between a calling terminal and a called terminal through the selected access network when a specific access network is selected.
Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. It will also be readily apparent that the objects and advantages of the invention may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.
A method of providing a communication service using a called network selected by a caller in an IMS (IP Multimedia Subsystem) which communicates a plurality of heterogeneous access networks according to the first aspect of the present invention for achieving the above object, from a calling terminal to a called terminal Receiving a request for requesting a communication service; Confirming a plurality of heterogeneous access networks to which the called terminal is connected; Transmitting a list of the identified heterogeneous access networks to the calling terminal; A receiving network setting step of selecting an access network recorded in the heterogeneous access network list from the calling terminal and setting the selected access network as a receiving network for a communication service; And a session establishment step of forming a session with the called terminal via the set called network.
In order to achieve the above object, a method of providing a communication service using an incoming network selected by a caller in an IMS (IP Multimedia Subsystem) for communicating a plurality of heterogeneous access networks according to the second aspect of the present invention is provided. Receiving access network information of a second mobile communication terminal; Setting the second mobile communication terminal as an access network confirmation target terminal and monitoring whether a registration key is received from the second mobile communication terminal; When one or more registration keys are received from the second mobile communication terminal as a result of the monitoring, each heterogeneous access network to which the second mobile communication terminal is connected is identified and the list of the identified heterogeneous access networks is determined. Transmitting to a mobile communication terminal; Receiving, from the first mobile communication terminal, a communication service request message in which identification information of a specific access network selected from the list of heterogeneous access networks is recorded and identification information of the second mobile communication terminal is recorded as destination information; Setting an access network corresponding to the identification information of the access network recorded in the communication service request message as a destination network; And establishing a session with the second mobile communication terminal via the set incoming network.
The session control apparatus according to the third aspect of the present invention for achieving the above object, the storage unit for storing the connection information for each mobile communication terminal; A receiving unit for requesting a communication service from a calling terminal to a called terminal; An access network confirming unit for checking a plurality of heterogeneous access networks to which the called terminal is connected in the storage unit, and transmitting the checked heterogeneous access networks to the calling terminal; And if the access network recorded in the heterogeneous access network is selected from the calling terminal, set the selected access network as a destination network for a communication service, and establish a session with the called terminal via the set destination network. And a session forming unit to form.
According to another aspect of the present invention, there is provided a session control apparatus, including: a receiving unit requesting access network information of a second mobile communication terminal from a first mobile communication terminal; Set the second mobile communication terminal as an access network confirmation target terminal, monitor whether a registration key is received from the second mobile communication terminal, and if one or more registration keys are received from the second mobile communication terminal, the registration is performed. An access network identification unit for identifying each heterogeneous access network to which the second mobile communication terminal is connected based on a key, and transmitting the checked list of heterogeneous access networks to the first mobile communication terminal; And receiving, from the first mobile communication terminal, a communication service request message in which identification information of a specific access network selected from the list of heterogeneous access networks is recorded and identification information of the second mobile communication terminal is recorded as destination information. And a session forming unit configured to set the access network corresponding to the identification information of the specific access network as the destination network and form a session with the second mobile communication terminal via the destination network.
The present invention has the advantage of improving the communication service satisfaction of the user by allowing the caller to select the destination network for the communication service in consideration of the communication environment, such as the caller's communication plan, terminal performance.
In particular, the present invention has the effect of reducing the communication charge of the sender, which is the subject of the charge, because the sender sets the selected access network as the called network and transmits data to the called terminal using the called network.
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention. And shall not be construed as limited to such matters.
1 is a diagram illustrating a configuration of a communication system for providing a communication service using a called network selected by a caller according to an embodiment of the present invention.
2 is a diagram illustrating a configuration of a CSCF according to an embodiment of the present invention.
3 is a diagram illustrating a registration table according to an embodiment of the present invention.
4 is a flowchart illustrating a method of storing a registration key of a mobile communication terminal in an IMS according to an embodiment of the present invention.
5 is a flowchart illustrating a method of establishing a session with a called terminal by using a called network selected by a caller in an IMS according to an embodiment of the present invention.
6 is a flowchart illustrating a method for establishing a session with a called terminal by using a called network selected by a caller in an IMS according to another embodiment of the present invention.
The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
1 is a diagram illustrating a configuration of a communication system for providing a communication service using a called network selected by a caller according to an embodiment of the present invention.
As shown in FIG. 1, a communication system according to an embodiment of the present invention includes a
The
After connecting to the
The CSCF 400 is a call session control device that establishes a session with the
In addition, the CSCF 400 receives and stores the registration key from the
In the following description with reference to FIGS. 2 to 6, the mobile communication terminal of FIG. 1 is assumed to be the
2 is a diagram illustrating a configuration of a CSCF according to an embodiment of the present invention.
As shown in FIG. 2, the CSCF 400 according to an embodiment of the present invention includes a
The
The
3 is a diagram illustrating a registration table according to an embodiment of the present invention.
As shown in FIG. 3, the registration table of the
Meanwhile, when the
When the
When the access
The
On the other hand, when the
4 is a flowchart illustrating a method of storing a registration key of a mobile communication terminal in an IMS according to an embodiment of the present invention.
In the description with reference to FIG. 4, it is assumed that the
Referring to FIG. 4, after activating all the heterogeneous network modules (eg, modems) mounted on the
Next, the mobile communication terminal (110, 120) transmits the SIP-based Register message recorded with the generated registration key to the CSCF (400) of the IMS network (300) via the mobile communication network (200), IMS network Request for registration (300) (S405). At this time, the mobile communication terminal (110, 120) after recording all of the plurality of registration keys in one Register message, any one of the plurality of heterogeneous access network (210, 220, 230) retrieved from the current location (210, 220) 230 may transmit the register message to the
Then, the
5 is a flowchart illustrating a method of establishing a session with a called terminal by using a called network selected by a caller in an IMS according to an embodiment of the present invention.
Referring to FIG. 5, the calling
Then, the
On the other hand, if the registration key of the terminating
Then, the calling
Next, the
Next, when the
6 is a flowchart illustrating a method for establishing a session with a called terminal by using a called network selected by a caller in an IMS according to another embodiment of the present invention.
Referring to FIG. 6, the
Referring to FIG. 6, the first
Then, the
Next, the second
Then, the
Then, the first
Next, the
Next, when the
As described above, the present invention improves the user's communication service satisfaction by allowing the sender to select a destination network for the communication service in consideration of the communication environment such as the caller's communication plan and terminal performance. In particular, in the present invention, since the sender sets the selected
Meanwhile, in the above-described embodiment, when the call service is requested from the calling
While the specification contains many features, such features should not be construed as limiting the scope of the invention or the scope of the claims. In addition, the features described in the individual embodiments herein may be combined and implemented in a single embodiment. Conversely, various features described in the singular < Desc / Clms Page number 5 > embodiments herein may be implemented in various embodiments individually or in combination as appropriate.
Although the operations have been described in a particular order in the figures, it should be understood that such operations are performed in a particular order as shown, or that all described operations are performed to obtain a sequence of sequential orders, or a desired result . In certain circumstances, multitasking and parallel processing may be advantageous. It should also be understood that the division of various system components in the above embodiments does not require such distinction in all embodiments. The above-described program components and systems can generally be implemented as a single software product or as a package in multiple software products.
The method of the present invention as described above can be implemented by a program and stored in a computer-readable recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto optical disk, etc.). Such a process can be easily carried out by those skilled in the art and will not be described in detail.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings.
110, 120: mobile communication terminal 200: mobile communication network
210: WCDMA network 220: LTE network
230: WiFi network 300: IMS network
400: CSCF 410: transceiver
420: storage unit 430: registration processing unit
440: access network check unit 450: session forming unit
Claims (8)
Receiving a request for a communication service from a calling terminal to a called terminal;
Confirming a plurality of heterogeneous access networks to which the called terminal is connected;
Transmitting a list of the identified heterogeneous access networks to the calling terminal;
A receiving network setting step of selecting an access network recorded in the heterogeneous access network list from the calling terminal and setting the selected access network as a receiving network for a communication service; And
And a session establishment step of establishing a session with the called terminal via the established called network.
Before the request receiving step,
And receiving and storing a registration key for each heterogeneous access network accessible at the location of the called terminal from the called terminal.
And the checking step identifies a plurality of heterogeneous access networks to which the called terminal is accessing based on the access network identification information recorded in each registered key of the called terminal.
And each identification key records identification information of the called terminal, IP and port number, and access network identification information.
Receiving access network information of a second mobile communication terminal from the first mobile communication terminal;
Setting the second mobile communication terminal as an access network confirmation target terminal and monitoring whether a registration key is received from the second mobile communication terminal;
When one or more registration keys are received from the second mobile communication terminal as a result of the monitoring, each heterogeneous access network to which the second mobile communication terminal is connected is identified and the list of the identified heterogeneous access networks is determined. Transmitting to a mobile communication terminal;
Receiving, from the first mobile communication terminal, a communication service request message in which identification information of a specific access network selected from the list of heterogeneous access networks is recorded and identification information of the second mobile communication terminal is recorded as destination information;
Setting an access network corresponding to the identification information of the access network recorded in the communication service request message as a destination network; And
And establishing a session with the second mobile communication terminal via the set incoming network.
A receiving unit for requesting a communication service from a calling terminal to a called terminal;
An access network confirming unit for checking a plurality of heterogeneous access networks to which the called terminal is connected in the storage unit, and transmitting the checked heterogeneous access networks to the calling terminal; And
If one of the access networks recorded in the heterogeneous access network is selected from the calling terminal, the selected access network is set as a destination network for a communication service, and a session is established with the called terminal via the set destination network. And a session forming unit.
And a registration processing unit for receiving a registration key for each heterogeneous access network accessible at the location of the called terminal from the called terminal and storing it in the storage unit.
And the access network confirming unit identifies a plurality of heterogeneous access networks to which the called terminal is connected based on access network identification information recorded in each registration key of the called terminal.
And the storage unit stores the registration key in which identification information, IP and port number, and access network identification information of the called terminal are recorded.
Set the second mobile communication terminal as an access network confirmation target terminal, monitor whether a registration key is received from the second mobile communication terminal, and if one or more registration keys are received from the second mobile communication terminal, the registration is performed. An access network identification unit for identifying each heterogeneous access network to which the second mobile communication terminal is connected based on a key, and transmitting the checked list of heterogeneous access networks to the first mobile communication terminal; And
Receiving a communication service request message from the first mobile communication terminal in which identification information of a specific access network selected from the list of heterogeneous access networks is recorded and identification information of the second mobile communication terminal is recorded as destination information; And a session forming unit configured to set an access network corresponding to the identification information of the access network as a destination network and form a session with the second mobile communication terminal via the destination network.
Priority Applications (1)
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KR1020120063847A KR20130140442A (en) | 2012-06-14 | 2012-06-14 | Method for providing communication service by caller selecting called network and apparatus therefor |
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KR1020120063847A KR20130140442A (en) | 2012-06-14 | 2012-06-14 | Method for providing communication service by caller selecting called network and apparatus therefor |
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KR20130140442A true KR20130140442A (en) | 2013-12-24 |
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KR1020120063847A KR20130140442A (en) | 2012-06-14 | 2012-06-14 | Method for providing communication service by caller selecting called network and apparatus therefor |
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