JP2004247916A - Sip service control system coping with web link and control method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a SIP (Session Initiation Protocol) service control system cooperating with a Web link to enable a service providing company to realize excellent services of great convenience making a Web system and the SIP cooperate with each other easily in a short period of time. <P>SOLUTION: A system is provided with a means by which the SIP server performs transmission/reception of information with a Web server; a means for receiving a session ID from the Web server so as to identify uniquely communication between the Web server and the Web client of the service user, correlating the session ID, a call ID for SIP communication generated on the basis of an initiation instruction from the service user, and the reference of an application program controlling the SIP communication, and managing them; and a means for receiving instruction information via the Web server for controlling the SIP communication transmitted by the service user, and notifying the application program controlling the SIP communication of it. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a Web coordination-compatible SIP service control system and control method, and more particularly to a SIP (Session over IP) used for controlling a VoIP (Voice over IP) on an IP (Internet Protocol) network represented by the Internet. The present invention relates to a control system and a control method capable of improving convenience and realizing a new service by cooperating with a Web system mainly by an Initiation Protocol.
[0002]
[Prior art]
It controls a Web server of a WWW (World Wide Web) system used in various services on the Internet, or a SIP that is a signaling protocol for realizing communication by VoIP and video transmitting voice over IP packets and the like. SIP servers are conventionally known.
However, in the related art, there is no general-purpose mechanism for linking the Web server and the SIP server, and a link function with the Web server is created for each application program that performs service control on the SIP server. Each time, it was necessary to create and modify the function.
[0003]
Prior art documents related to the present invention include the following.
[Non-patent literature]
"Soft Switch Technology for Next-Generation Networks"
By Koichi Kiyono (2 others) Journal of the Institute of Electronics, Information and Communication Engineers Vol. 85 No. 12 pp. 910-913 December 2002
[Problems to be solved by the invention]
As described above, in the related art, when an advanced service such as VoIP in which a Web server and a SIP server cooperate with each other is to be provided, development and correction work occurs for each application program on the Web server and the SIP server. In addition, the development of inexpensive services has been hindered.
SUMMARY OF THE INVENTION The present invention has been made to solve the problems of the conventional technology, and an object of the present invention is to provide a service provider with a highly convenient advanced service that links a Web system and a SIP. Another object of the present invention is to provide a Web-linked SIP service control system and a control method that can be realized in a short time.
The above and other objects and novel features of the present invention will become apparent from the description of the present specification and the accompanying drawings.
[0005]
[Means for Solving the Problems]
The following is a brief description of an outline of typical inventions disclosed in the present application.
That is, the present invention is a Web cooperation-compatible SIP service control system including a SIP server that performs SIP communication, and an application program that operates on the SIP server and instructs the SIP server to transmit and receive a SIP signal. Receiving from the Web server a means for transmitting and receiving information to and from a Web server of a WWW system, and a session ID for uniquely identifying communication between the Web server and a Web client of a service user. Means for managing the session ID, the call ID of the SIP communication generated based on the SIP communication start instruction from the service user, and the reference of the application program controlling the SIP communication in association with each other; , The SIP communication transmitted from the service user Receives instruction information for controlling via the Web server, characterized in that it comprises a means for notifying an application program that controls the SIP communication.
[0006]
In a preferred embodiment of the present invention, the communication source identification information and the communication destination identification information of the SIP communication during the call, which are transmitted from the service user, are acquired via a Web server, and the acquired communication source identification information is acquired. Means for associating the communication destination identification information with the call ID of the SIP communication, and means for searching and identifying the call ID of the SIP communication from the communication source identification information and the communication destination identification information of the SIP communication. It is characterized by having.
[0007]
Further, the present invention provides a control method of a Web cooperative SIP service control system, comprising: a SIP server that performs SIP communication; and an application program that operates on the SIP server and instructs the SIP server to transmit and receive a SIP signal. Wherein the SIP server stores a call ID of the SIP communication generated based on a SIP communication start instruction from the service user and a reference of an application program controlling the SIP communication in a first form. Registering in association with the means described above, a call ID of the SIP communication generated based on a SIP communication start instruction from the service user, communication source identification information and communication destination identification information of the SIP communication, and Registering the user in association with the second means, and transmitting from the service user The session ID for uniquely identifying the communication between the Web server of the WWW system and the Web client of the service user, and the communication source identification information and the communication destination identification information of the SIP communication during the call are transmitted via the Web server. And the second means is searched based on the communication source identification information and the communication destination identification information received in the step 3, and the communication source identification information and the communication destination identification information received in the step 3 are retrieved. Step 4 for specifying the call ID specified in Step 4, registering the session ID received in Step 3 in the first means in association with the call ID specified in Step 4; A step of receiving, via the Web server, instruction information transmitted from a user for controlling SIP communication including the session ID. A step 6 for searching the first means based on the session ID included in the instruction information received in the step 6 and specifying an application program controlling the SIP communication corresponding to the session ID. And a step 8 of notifying the application program specified in the step 7 of the instruction information received in the step 6.
[0008]
Further, the present invention provides a control method of a Web cooperative SIP service control system, comprising: a SIP server that performs SIP communication; and an application program that operates on the SIP server and instructs the SIP server to transmit and receive a SIP signal. Wherein the SIP server transmits a session ID for uniquely identifying a communication between a Web server of a WWW system and a Web client of the service user, which is transmitted from the service user, and a communication source of the SIP communication. Step 1 of receiving an SIP communication start instruction including identification information and communication destination identification information via the Web server, and a call ID of the SIP communication generated based on the SIP communication start instruction from the service user And the session ID received in step 1 and the SIP communication. Registering a reference of the application program being executed in association with the first means, and transmitting instruction information for controlling SIP communication including the session ID transmitted from the service user to the Web server. And receiving an application program that controls the SIP communication corresponding to the session ID by searching the first means based on the session ID included in the instruction information received in step 3. The method is characterized by comprising a step 4 for specifying and a step 5 for notifying the application program specified in step 4 of the instruction information received in step 3.
[0009]
According to the present invention, it is necessary for a service provider to create a Web cooperation function for each application program for realizing an advanced service for SIP by using the Web service supporting SIP service control system. In other words, since it is possible to concentrate on the development of the service logic to be provided, the service can be provided at a lower development cost and in a shorter period than in the past.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In all the drawings for describing the embodiments, components having the same function are denoted by the same reference numerals, and repeated description thereof will be omitted.
FIG. 1 is a block diagram showing an overall system configuration in which a Web cooperative SIP service control system according to an embodiment of the present invention is used.
In FIG. 1, reference numeral 1 denotes a Web cooperation supporting SIP service control system according to the present embodiment. The Web cooperation supporting SIP service control system 1 according to the present embodiment is an advanced service mainly based on SIP (Session Initiation Protocol). An application program 2 having a service logic for performing control, and a SIP server having a basic function for performing communication using SIP signals between SIP terminals (for example, communication using VoIP and video transmitting voice over IP packets). And 3.
Reference numeral 4 denotes a Web server of a WWW (World Wide Web) system used for various services on the Internet, and the Web server 4 accepts access from a Web client 6.
[0011]
As shown in FIG. 1, a Web service supporting SIP service control system 1 of the present embodiment and a Web server 4 are connected by a service user via an IP (Internet Protocol) network 58 typified by the Internet. The SIP terminal 5 and the Web client 6 are connected to the SIP terminal 57 of the communication partner with which the service user communicates.
FIG. 2 shows a case where the call ID 7 used in the SIP communication and the session ID 8 acquired from the Web server 4 are managed in association with each other in the SIP service control system 1 according to the present embodiment. FIG. 9 is a diagram showing management information for managing the application corresponding to the ID 7 in association with the reference 9 of the application program controlling the service.
FIG. 3 shows the SIP communication control system 1 according to the present embodiment, in which the SIP communication source identification information 10 and the SIP communication destination identification information 11 performing communication using SIP are used as keys for the SIP communication. It is a figure which shows the management information for managing the call ID12 provided to it.
The SIP server 3 has storage means (not shown), such as a table, for storing the management information shown in FIGS. 2 and 3, and the SIP server 3 stores the management information shown in FIGS. to manage.
[0012]
Next, an operation at the time of executing service control of the SIP service control system for Web cooperation according to the present embodiment will be described with reference to FIGS.
4 to 8, reference numeral 13 denotes a Web cooperation-compatible SIP service control system including a SIP server owned by a service provider and an application program for providing an advanced service based on SIP, 14 denotes a Web server, and 15 denotes a Web server. A SIP terminal owned by the service user, 16 is a Web client owned by the service user, and 17 is a SIP terminal owned by a communication partner communicating with the service user.
First, an operation for controlling the SIP communication from the Web client 16 after starting the SIP communication will be described with reference to FIGS.
First, when the service user operates the SIP terminal 15 to start SIP communication with a communication partner who wants to communicate (step 18 in FIG. 4), the SIP terminal 15 transmits a SIP signal for communication. Is transmitted to the Web-compatible SIP service control system 13 (step 19 in FIG. 4).
[0013]
Upon receiving the INVITE from the service user, the SIP server (3 in FIG. 1) of the Web cooperation-compatible SIP service control system 13 executes an application program (2 in FIG. 1) for controlling the service contracted by the service user. ) To obtain the call ID in the INVITE signal, add it to the management information shown in FIG. 2 together with the application program reference indicating the started application program (step 20 in FIG. 4), and obtain the call ID in the INVITE signal. Information for identifying the SIP communication source and the communication destination is acquired and added to the management information shown in FIG. 3 together with the call ID (step 21 in FIG. 4).
The application program started by the SIP server transmits and receives a SIP signal for connecting the SIP terminal 15 of the service user and the SIP terminal 17 of the communication partner to the SIP server, and the SIP server is defined by the SIP. The SIP terminal 15 and the SIP terminal 17 are connected in accordance with the connection procedure, and the communication state is established (step 22 in FIG. 4).
Note that the procedure in step 22 is an example, and the present invention does not depend on the procedure, and another procedure can be used without any problem.
[0014]
Subsequently, the service user inputs the account and password of the service user from the Web client 16 to start the control of the SIP communication from the Web client 16 (step 23 in FIG. 4), and starts the service. By clicking a URL (Uniform Resource Locators), an HTTP (Hypertext Transfer Protocol) signal of a service start request is transmitted to the Web server 14 (Step 24 in FIG. 4).
The Web server 14 that has received the HTTP signal acquires the account and password in the HTTP signal, checks whether the account and the password managed in the Web server 14 match, and determines whether the password matches the account and password. For example, a session ID is issued to identify a subsequent Web communication with the Web client 16 (Step 25 in FIG. 4), and a response including the session ID is transmitted to the Web client 16 (Step 26 in FIG. 4).
The service user inputs the identification information of the communication source and the communication destination performing the SIP communication from the Web client 16, clicks the URL for notifying the SIP communication identification information, and includes the identification information and the session ID. The HTTP signal is transmitted to the Web server 14 (Step 27 in FIG. 5).
[0015]
Upon receiving the HTTP signal for notifying the SIP communication identification information, the Web server 14 notifies the SIP communication control system 13 of the Web cooperation supporting SIP communication source identification information, the communication destination identification information, and the session ID (FIG. 5 step 28). The SIP server of the Web cooperation supporting SIP service control system 13 specifies the SIP call ID by searching the management information shown in FIG. 3 based on the notified communication source identification information and communication destination identification information of the SIP ( In order to associate the call ID specified in step 13 and the notified session ID with the management information shown in FIG. 2, the notified session ID is registered in the corresponding call ID row (step 29 in FIG. 5) (FIG. Step 30 of 5).
Next, the SIP server of the Web service supporting SIP service control system 13 transmits a response to the Web server 14 (Step 31 in FIG. 5), and the Web server 14 transmits a response to the Web client 16 (Step in FIG. 5). 32).
[0016]
As a result, the service user can issue an instruction for controlling SIP communication via the Web.
For example, when disconnection is instructed (step 33 in FIG. 5), an HTTP signal for disconnection request including the session ID is transmitted to the Web server 14 by clicking a URL for disconnection (FIG. 5). Step 34), a disconnection request is transmitted from the Web server 14 to the SIP server of the Web service supporting SIP service control system 13 using the session ID as a parameter (Step 35 in FIG. 5).
Based on the notified session ID, the SIP server of the Web cooperation-compatible SIP service control system 13 uses the management information shown in FIG. 2 to notify the application to be notified by the running application program that controls the service of the service user. The program reference is acquired, the application program to be notified is specified from the reference, and the specified application program is notified that the disconnection request has been received (step 36 in FIG. 5).
[0017]
The application program that has received the disconnection request sends and receives a SIP signal for disconnecting the communication to and from the SIP server (step 37 in FIG. 6), and is disconnected from the SIP server by a disconnection procedure according to the SIP rules (FIG. 6). 6 Step 38).
Note that the SIP communication control from the Web includes various procedures other than disconnection, such as transfer to another communication partner, three-party communication for adding another communication partner, and the like. In the SIP communication control, a request from a service user is automatically notified to an application program of the Web service supporting SIP service control system 13 and executed from the application program. Therefore, various SIP communication procedures can be easily performed on the Web. Available from
[0018]
Next, a description will be given of operations for controlling the SIP communication from the Web while the service user first executes the Web access, then starts the SIP communication from the Web, with reference to FIGS.
The service user starts web access from the web client 16 to start using the service (step 39 in FIG. 7), inputs the service user's account and password from the web client 16, and starts the service. Is clicked, an HTTP signal of a service start request is transmitted to the Web server 14 (Step 40 in FIG. 7).
The Web server 14 that has received the HTTP signal acquires the account and password in the HTTP signal, checks whether the account and the password managed in the Web server 14 match, and determines whether the account and the password match. In order to identify the subsequent Web communication with the Web client 16, a session ID is paid out (Step 41 in FIG. 7), and a response including the session ID is transmitted to the Web client 16 (Step 42 in FIG. 7).
[0019]
The service user inputs SIP communication source identification information and communication destination identification information from the Web client 16 in order to start SIP communication with a communication partner, and performs SIP connection. Click on the URL to send a start request.
Thereby, the HTTP signal of the SIP communication connection start request including the SIP communication source identification information, the communication destination identification information, and the session ID is transmitted from the Web client 16 to the Web server 14 (Step 44 in FIG. 7), and the Web server 14 Transmits a SIP connection start request to the SIP server of the Web cooperation-compatible SIP service control system 13 using the SIP communication source identification information, the communication destination identification information, and the session ID as parameters (step 45 in FIG. 7).
The SIP server of the Web cooperation supporting SIP service control system 13 starts an application program for controlling a service contracted by the service user, and manages the notified session ID and the reference of the started application program as shown in FIG. The information is registered (step 46 in FIG. 7).
[0020]
The application program started by the SIP server connects the SIP terminal 15 of the service user and the SIP terminal 17 of the communication partner to the SIP server based on the notified communication source identification information and communication destination identification information. (Step 47 in FIG. 7), and the SIP server connects the SIP terminal 15 and the SIP terminal 17 according to the connection procedure specified by SIP (step 48 in FIG. 8).
The SIP server registers the call ID in the row of the session ID already registered in the management information shown in FIG. 2 to associate the generated call ID of the SIP with the session ID (step 49 in FIG. 8). ), A response is transmitted to the Web server 14 (Step 50 in FIG. 8), and a response is transmitted from the Web server 14 to the Web client 16 (Step 51 in FIG. 8).
As a result, the service user can issue an instruction for controlling SIP communication via the Web.
For example, when the SIP communication is to be disconnected, the operation is the same as the operation from step 33 in FIG. 5 to step 38 in FIG. 6. In addition to the disconnection, the communication control of the SIP from the Web may be performed to another communication partner. There are various procedures such as transfer, three-way communication for adding another communication partner, and the like.
[0021]
As described above, the control method of the SIP service control system supporting Web coordination according to the present embodiment is not dependent on a specific service, but can be commonly used for various services. It is not necessary to develop a Web cooperation function each time.
Therefore, according to the present embodiment, it is possible to efficiently develop an application program that operates on a SIP server in order to use SIP on an IP network and realize an advanced service with Web cooperation. .
As described above, the invention made by the inventor has been specifically described based on the embodiment. However, the present invention is not limited to the embodiment, and can be variously modified without departing from the gist of the invention. Needless to say,
[0022]
【The invention's effect】
The following is a brief description of an effect obtained by a representative one of the inventions disclosed in the present application.
According to the present invention, it is possible to efficiently develop an application program that operates on a SIP server in order to use SIP on an IP network and realize an advanced service with Web cooperation.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an overall system configuration in which a Web cooperation-compatible SIP service control system according to an embodiment of the present invention is used.
FIG. 2 associates and manages a call ID used in SIP communication with a session ID acquired from a Web server, and further manages the session ID and call FIG. 11 is a diagram illustrating management information for managing the application in association with the reference of the application program that controls the service corresponding to the ID.
FIG. 3 is a diagram showing an example of the SIP communication control system according to the embodiment of the present invention, in which the SIP communication source identification information and the SIP communication destination identification information performing communication using SIP are used as keys, and FIG. 6 is a diagram showing management information for managing a call ID assigned to a user.
FIG. 4 is a sequence diagram for explaining an operation at the time of executing service control of the Web cooperation supporting SIP service control system according to the embodiment of the present invention.
FIG. 5 is a sequence diagram for explaining an operation at the time of executing service control of the SIP service control system supporting Web cooperation according to the embodiment of the present invention.
FIG. 6 is a sequence diagram for explaining an operation at the time of executing service control of the Web cooperation-enabled SIP service control system according to the embodiment of the present invention.
FIG. 7 is a sequence diagram for explaining an operation at the time of executing service control of the Web cooperation-compatible SIP service control system according to the embodiment of the present invention.
FIG. 8
It is a sequence diagram for explaining operation at the time of service control execution of the Web cooperation compatible SIP service control system according to the embodiment of the present invention.
[Explanation of symbols]
1, 13: Web service supporting SIP service control system, 2: Application program, 3: SIP server, 4, 14: Web server, 5, 15, 17, 57: SIP terminal, 6, 16: Web client, 58: IP network.

Claims (4)

A SIP server for performing SIP communication,
A Web service supporting SIP service control system comprising: an application program that operates on the SIP server and instructs the SIP server to transmit and receive a SIP signal;
Means for transmitting and receiving information to and from a Web server of a WWW system,
A session ID for uniquely identifying communication between the Web server and a Web client of a service user is received from the Web server, and based on the session ID and a SIP communication start instruction from the service user. Means for managing the call ID of the generated SIP communication in association with the reference of the application program controlling the SIP communication;
Means for receiving instruction information for controlling SIP communication transmitted from the service user via the Web server, and notifying an application program controlling the SIP communication. A cooperative SIP service control system. The communication source identification information and the communication destination identification information of the SIP communication during the call transmitted from the service user are acquired via the Web server, and the acquired communication source identification information and the communication destination identification information are obtained. Means for managing the call ID in association with the call ID;
2. The Web service supporting SIP service control system according to claim 1, further comprising means for searching for and specifying a call ID of the SIP communication from communication source identification information and communication destination identification information of the SIP communication. A SIP server for performing SIP communication,
A control method for a Web cooperation-compatible SIP service control system, comprising: an application program that operates on the SIP server and instructs the SIP server to transmit and receive a SIP signal;
The SIP server associates the call ID of the SIP communication generated based on the SIP communication start instruction from the service user with the reference of the application program controlling the SIP communication with the first means. Step 1 to register
A call ID of the SIP communication generated based on the SIP communication start instruction from the service user, and communication source identification information and communication destination identification information of the SIP communication are registered in association with the second means. Step 2;
A session ID transmitted from the service user for uniquely identifying communication between a web server of a WWW system and a web client of the service user; communication source identification information and communication destination of SIP communication during a call Receiving the identification information via the Web server;
The second means is searched based on the communication source identification information and the communication destination identification information received in step 3, and the call ID specified by the communication source identification information and the communication destination identification information received in step 3 is determined. Identifying step 4;
Step 5 of registering the session ID received in Step 3 with the first means in association with the call ID specified in Step 4;
Receiving, via the Web server, instruction information transmitted from the service user for controlling SIP communication including the session ID;
Based on the session ID included in the instruction information received in step 6, searching the first means to identify an application program controlling SIP communication corresponding to the session ID;
And a step (8) of notifying the application program specified in the step (7) of the instruction information received in the step (6). A SIP server for performing SIP communication,
A control method for a Web cooperation-compatible SIP service control system, comprising: an application program that operates on the SIP server and instructs the SIP server to transmit and receive a SIP signal;
The SIP server transmits a session ID transmitted from a service user for uniquely identifying communication between a Web server of a WWW system and a Web client of the service user, and communication source identification information and communication of SIP communication Receiving a start instruction of SIP communication including destination identification information via the Web server;
The call ID of the SIP communication generated based on the SIP communication start instruction from the service user, the session ID received in the step 1, and the reference of the application program controlling the SIP communication, Step 2 of registering in association with the first means;
Receiving, via the Web server, instruction information transmitted from the service user for controlling SIP communication including the session ID,
A step of searching the first means based on the session ID included in the instruction information received in the step 3 to specify an application program controlling SIP communication corresponding to the session ID;
A step of notifying the application program specified in step 4 of the instruction information received in step 3; and a step 5 of controlling the SIP service control system supporting Web coordination.

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