JP2511626B2 - Basic call control device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processor for providing a supplementary service in a network of information services .
It is used to edit the message that is the control signal transmitted between each function . The present invention relates to a basic call control device capable of improving the editing function of a next transmission message.

[0002]

2. Description of the Related Art Conventionally, in a service control method of a switching system which provides supplementary services, when it is necessary to set supplementary service information in a basic call control message, message editing is performed in which supplementary service function unit sets service information. the sending me line, after the VAS execution had returned to any call state point after the message transmission of the basic call control task unit.

[0003]

In such a conventional system, when returning from the supplementary service function section to the basic call control task section, the call status point after the message relating to the basic call control is returned. It was necessary to perform the processing of the basic call control task section from the service activation point to the call status point in the additional service function section.

Further, when a plurality of messages are transmitted from a service activation point to the next service activation point , the contents of those messages are displayed in the additional service function unit.
It was not possible to add or change service information to the message information shown, and in order to be able to do this, it was necessary to provide more service activation points than necessary in each part of the basic call control task part. .

Further, since the basic call control message is transmitted from the supplementary service function unit, when a plurality of services are simultaneously executed, the respective service information cannot be set in the basic call control message information , and the service According to the specifications, although it is possible to start multiple services at the same time with the same basic call, simultaneous execution of multiple services may be limited or impossible.

The present invention solves such a problem by enabling the supplementary service function unit to add service information to the message information transmitted by the basic call control task unit and changing the content thereof. An object of the present invention is to provide a basic call control device capable of improving the message editing function.

[0007]

SUMMARY OF THE INVENTION The present invention is connected to an exchange connected to a calling side call path and a receiving side call path, and through the control line to the calling side call path and the called side call path. A basic call control task unit, which is provided on each of the input side and output side of the connected processor and performs basic call control by a call state point that represents the state of a call and a service activation point that activates supplementary service processing, and this basic call control is started from any of the service start point of the task unit, VAS alms including additional or modified services message that will be transmitted, and the additional service function unit for returning from the call state points to the basic call control task unit, messages from the basic call control task unit
In the basic call control device including a message sending unit for sending the message to the exchange, the supplementary service function unit sends a message after returning to the basic call control task unit.
Includes means for editing the edit information using the difference in the message information indicating the contents of
Message editing unit for editing information , and the additional service
A counter map for registering the number of parameters edited by the message editing unit at the request of the function unit and the memory
And a call memory having an edit information storage area for storing the edit information including a parameter list storing the parameter name set by the message edit unit, wherein the message edit unit edit information edited by the additional service function unit and It is characterized in that it comprises means for saving information indicating the contents of the parameter in the call memory.

In the message editing section , the supplementary service function section has a function for each message when transmitting a plurality of messages.
When adding or changing message information
Request from the supplementary service function unit for each message type
Addition or change of added service information that has been edited
Edited according to the request of the additional service function unit.
If multiple services are being executed simultaneously with the means for editing the transmitted message, all services that are being executed at the same time are processed, and that service requests addition or modification of additional service information to the next transmitted message. if any, means for performing an addition or change of each time the additional service information according to all services and then add the editing information for each message that is set in the call memory, basic call control task from the additional service functional unit When any message is sent by the basic call control task section after the return by designating an arbitrary call status point to be returned to the section as the point where the service activation point continues, addition of additional service information from the additional service function section or this including the means for transmitting edits the message information in accordance with the request if there is a change request It is desirable

[0009]

In general, after the supplementary service function unit is activated from an arbitrary service activation point of the basic call control task unit to perform supplementary service processing, an arbitrary call status point is set as a return point to the basic call control task unit. The basic call control task unit starts execution from this designated call state point, and the additional service function unit adds or changes the service information to the message information transmitted by the basic call control task unit and executes the additional service.

In the processing operation described above, according to the present invention,
Supplementary service function sections leave edit advance difference only in supplementary service function sections messages information indicating the content of the message to be transmitted after returning to the basic call control task unit as parameters from registers the number of each editing parameter The counter map, the parameter list describing the set parameter names, and the edit information including the counter map and the parameter list are saved in the call memory for saving the call information. Further, when transmitting a plurality of messages, edit information is set for each subsequent transmission message to request addition or change of additional service information, and a plurality of services are simultaneously executed. In this case, the processing of all services being executed at the same time is executed, and if there is a request to add or change the next transmission message from the additional service function unit, it is added to the edit information for each message set in the call memory each time. Then, all the services are requested to add or change the additional service information. On the other hand, the basic call control task section designates an arbitrary call status point that returns from the supplementary service function section to the basic call control task section as the point where the service activation point continues, and after returning, the basic call control task section sends a message. When performing transmission, additional service from the additional service function block
If there is a request to add or change service information, edit the message according to the request and send.

[0011] Thus, supplementary service function unit adds the service information in a message transmitted by the basic call control task unit, or can change its contents, it is possible to improve the function of the message editing.

[0012]

Embodiments of the present invention will now be described with reference to the drawings. 1 is a block diagram showing the overall configuration of an embodiment of the present invention,
FIG. 2 is a block diagram showing the configuration of the input side and output side basic call control units in the embodiment of the present invention. A circle mark in FIG. 1 indicates a message flow.

The embodiment of the present invention is connected to the exchange 3 connected to the calling side call path 2 and the receiving side call path 4, and is connected to the calling side call path 2 and the receiving side call path 4 via the control line 5. A basic call control task unit 11 that is provided on each of the input side and the output side of the connected processor 1 and performs basic call control by a call state point that represents a call state and a service activation point that activates a supplementary service process; is started from any of the service start point of the call control task 11, VAS alms including additional or modified services message that will be transmitted, additional service functions to return from the call state points to the basic call control task 11 It includes a section 12, and a message transmission unit 13 for transmitting the main <br/> Sse di from the basic call control task 11 to exchange 3, further As a feature of the present invention, additional service function unit 12 includes a means for editing a difference message information in advance as a parameter indicating the content of the message to be transmitted after the return to the basic call control task unit 11, an input-side basic call control In each of the device 10-1 and the output side basic call control device 10-2, a message editing unit 15 for editing message information indicating the content of the message and an additional service are provided.
The message editing unit 15 is provided with a call map 14 having an editing information storage area including a counter map for registering the number of each parameter edited by the message editing unit 15 at the request of the function unit 12 and a parameter list storing the set parameter name. The additional service function unit 12 is added to the unit 15.
Means for saving the edited information and its parameter information edited in response to the request in the call memory 14 and the additional service function unit 12 for transmitting the plurality of messages.
Addition of additional service information to each message information
Or, if you want to change it, add it for each message type.
Additional service information requested by the additional service function unit 12
You can edit the additions or changes of
When a plurality of services are being executed simultaneously with a means for editing the transmitted message according to the request, all services being executed simultaneously are processed, and the service adds additional service information to the next transmitted message or if there is a change request, and row <br/> cormorants means additional or change of supplementary service information by all services and then add the editing information for each message each time is set in the call memory 14, additional services When an arbitrary call status point returned from the function unit 12 to the basic call control task unit 11 is designated as a continuation point of the service activation point and the basic call control task unit 11 sends a message after the return, an additional service function is added. If there is a request from the section 12 to add or change additional service information, the message information is edited according to the request. And means for transmitting.

Next, the processing operation of the embodiment of the present invention configured as described above will be described. FIG. 3 is a diagram for explaining the operation of the basic call control unit in the embodiment of the present invention, and FIG. 4 is a diagram showing the configuration of the call memory and the edit information in the embodiment of the present invention.

[0015] supplementary service functional unit 12 is started from any of the service launch point of the basic call control task 11, the supplementary service functional unit 12, message information to be transmitted at the return to the basic call control task 11 When it is desired to add or change the information, the parameters (A) 130 and (B) 131 of only the difference are created. Next, the number of created parameters is set in the counter map 112, and the parameter types 121 and 123 and pointers 122 and 124 to the parameter information are set in the parameter list 12.
Set to 0.

The edit information 110 contains the message type 1
11 is set in advance, and the parameter addition code 1 is set for the addition or change parameter for the next transmission message.
25, the edit information 110 is a pointer to the edit information in the call memory 1.

[0] Set to 102.

When sending a plurality of messages after returning to the basic call control task unit 11, edit information 110 is set for each message, and a request for addition or change parameter to the next send message is sent to the edit information. On the pointers [1] 103 and [2] 104 of.

After the additional service processing is completed, the call is returned to an arbitrary call status point (continuation point of the service activation point) of the basic call control task unit 11.

When a plurality of services are simultaneously executed, the processes of all the services which are simultaneously executed are performed, and the process returns to an arbitrary point of the basic call control task unit 11. At that time, if there is a request to add or change the next transmission message in the service, it is added to the edit information 110 for each message set in the call memory 14 each time.

When the basic call control task section 11 sends a message, the information of the basic call control of the call memory 14 is usually set as a parameter, but the supplementary service function section 12 is used.
If there is a request for addition or change of message information from (when the edit information for the next transmission message is set in the call memory 14), the message is edited according to the request.

When editing a message, the counter map 112 is checked to see if there is an addition or change request from the additional service function unit 12 for the parameter to be set. If there is no request, normal call control by the call memory 14 is performed. Information is set, and if requested, the information indicated by the parameter list 120 is set.

[0022]

As described above, according to the present invention, when the supplementary service function unit adds or changes the service information to the basic call control message, the supplementary service requests the edit information of the next transmission message. Performed by the function part, and after returning to the basic call control task part, set only the minimum required point in the service specifications to edit the message, and edit the message. Can be processed.

Further, when returning to the basic call control task part, since the call status point can be set to a point where the service activation point continues, basic call control processing is performed from the service activation point to the return point. There is no need, and there is no need to perform those processes that are skipped in the additional service function unit.
If multiple services can be activated at the same time by the same basic call, the information of the next transmission message can be added or changed for each service, so that simultaneous execution of multiple services can be performed without restriction. effective.

[Brief description of drawings]

FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an input-side and output-side basic call control device in the embodiment of the present invention.

FIG. 3 is a diagram for explaining the operation of the basic call control device in the embodiment of the present invention.

FIG. 4 is a diagram showing a configuration of a call memory and edit information in the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 processor 2 caller side call path 3 exchange 4 callee side call path 5 control line 10-1 input side basic call control apparatus 10-2 output side basic call control apparatus 11 basic call control task section 12 supplementary service function section 13 message transmission section 14 call memory 15 message editing unit 102 pointer to editing information [0] 103 pointer to editing information [1] 104 pointer to editing information [2] 110 editing information 111 signal type 112 counter map 120 parameter list 121 parameter type ( A) 122 Pointer to parameter information (A) 123 Parameter type (B) 124 Pointer to parameter information (B) 125 Parameter end code 130 Parameter information (A) -Entity-131 Parameter information (B) -Entity-

 ─────────────────────────────────────────────────── --Continued from the front page (56) References JP-A-4-351052 (JP, A) JP-A-4-351191 (JP, A) JP-A-4-213265 (JP, A) JP-A-4- 180392 (JP, A)

Claims (3)

(57) [Claims] And 1. A basic call control task unit, is started from an arbitrary service launch point of the basic call control task unit, VAS alms including additional or modified services messages that are sent, call state point and supplementary service function unit for returning to the basic call control task unit from the basic call control apparatus including a message transmitter for transmitting messages from the basic call control task unit to the exchange, the additional service function section, Message editing for editing message information , including means for previously editing the edit information with the difference of the message information indicating the content of the message transmitted after returning to the basic call control task section as a parameter registering the parts, the number of parameters edited the message editing unit by request of the supplementary service functional unit Case said editing information including a parameter list that stores counter maps and parameter names the message editing unit has set
A call memory having an edit information storage area to be stored, and the message editing unit is provided with means for saving, in the call memory, the edit information edited by the additional service function unit and information indicating the content of the parameter thereof. A basic call control device characterized by. 2. The message editing unit is configured such that when the plurality of messages are transmitted , each additional service function unit
When adding or changing message information
Request from the supplementary service function unit for each message type
Addition or change of added service information that has been edited
Edited according to the request of the additional service function unit.
The basic call control device according to claim 1, further comprising means for editing a transmission message . 3. The message editing unit, when a plurality of services are simultaneously executed, processes all services that are being executed at the same time, and the additional service information is added or changed to the next transmission message by the service. Upon request, means for performing an addition or change of each time the additional service information according to all services and then add the editing information for each message that is set in the call memory, basic call from the additional service functional unit When a message is sent in the basic call control task unit after the return by designating an arbitrary call status point to be returned to the control task unit as a continuation point of the service starting point, the additional service information of the additional service information is sent from the additional service function unit. including a means for transmitting edits the message information in accordance with addition or the request if there is a change request Basic call control apparatus according to claim 1, wherein.