Telecommunications service control method in intelligent network

• US 5,701,412 A
• Filed: 12/14/1994
• Issued: 12/23/1997
• Est. Priority Date: 12/17/1993
• Status: Expired due to Fees

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Wakayama, Kazuko, Takeda, Yukiko, Tanabe, Shiro
• Primary Examiner(s): Bowler, Alyssa H.
• Assistant Examiner(s): Harrity, John
• Application Number:
  US08/355,509
• Time in Patent Office: 1,105 Days
• Field of Search: 395/200.01, 395/200.15, 379/201, 379/211, 379/212, 379/230, 379/330
• US Class Current: 379/221.09
• CPC Class Codes: H04Q 2213/13517 SLEE - service logic execution
• CPC Class Codes: H04Q 2213/13548 call modeling, e.g. Basic Call State Model
• CPC Class Codes: H04Q 3/0029 Provisions for intelligent networking

Abstract

A trigger is armed to a predetermined detection point (DP) of a basic call state model controlled for each call by a switching system so that a service control point (SCP) can be unconditionally activated. The SCP stores service control information for each time band in such a manner as to correspond to each user. When a first control signal is received from the switching system, the DP which is determined by the service control information is notified to the switching system and the switching system arms the trigger to this DP. When the state of the call shifts to a specific DP to which the trigger is armed because a called party is busy or does not answer, for example, the switching system sends a second control signal to the SCP, and the SCP notifies a terminating terminal equipment determined by the service control information in response to the second control signal.

Claims

1. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said one switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said one switching system when said one switching system accepts said call relating to a special telecommunications service to be provided by said service control apparatus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said call control sequence;

a step of controlling said call in accordance with said call control sequence by said one switching system and sending a first control signal from said one switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence, said first control signal speciying a terminating user of said call;

a step of reading out the service control information corresponding to said terminating user specified by said first control signal from said memory device in said service control apparatus;

a step of notifying a detection point so that said service control apparatus arms a next trigger in said call control sequence to said one switching system in accordance with the content of said service control information read out from said memory device; and

a step of causing said one switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence.

2. A telecommunications service control method according to claim 1, wherein said service control apparatus notifies a plurality of detection points for arming the trigger, to said switching system in response to said first control signal.

3. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said switching system when said switching system accepts said call relating to a special telecommunications service to be provided by said service control apparatus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said control sequence;

a step of controlling said call in accordance with said call control sequence by said switching system and sending a first control signal from said switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of notifying a detection point so that said service control apparatus receiving said first control signal arms a next trigger in said call control sequence to said switching system in accordance with the content of the service control information read out from said memory device and corresponding to a terminating user of said call;

a step of causing said switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence;

a step of sending a second control signal from said switching system to said service control apparatus when the state of said call shifts to a detection point to which said second trigger in said call control sequence is armed;

a step of causing said service control apparatus to designate the content of a special service determined in accordance with said service control information to said switching system in response to said second control signal; and

a step of causing said switching system to execute said special service designated by said service control apparatus in association with said call.

4. A telecommunications service control method according to claim 3, wherein said service control apparatus notifies a plurality of detection points for arming the trigger, to said switching system in response to said first control signal.

5. A telecommunications service control method according to claim 4, wherein said service control apparatus designates, as said special service, a call forwarding terminating apparatus determined in accordance with the time zone in which said first control signal is received and with the state of a terminating equipment, to said switching system, and said switching system terminates said call at said call forwarding terminating apparatus.

6. A telecommunications service control method according to claim 3, wherein said service control apparatus designates a special service determined by a detection point as the cause of creation of said second control signal, to said switching system.

7. A telecommunications service control method according to claim 3, wherein said service control apparatus designates a call forwarding terminating apparatus of said call to said switching system as said special service, and said switching system terminates said call at said call forwarding terminating apparatus.

8. A telecommunications service control method according to claim 3, wherein said service control apparatus designates, as said special service, a call forwarding terminating apparatus determined in accordance with the state of a terminating equipment to said switching system, and said switching system terminates said call at said call forwarding terminating apparatus.

9. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said switching system when said switching system accepts said call relating to a special telecommunications service to be provided by said service control apparatus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said control sequence;

a step of controlling said call in accordance with said call control sequence by said switching system and sending a first control signal from said switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of notifying a detection point so that said service control apparatus receiving said first control signal arms a next trigger in said call control sequence to said switching system in accordance with the content of the service control information read out from said memory device and corresponding to a terminating user of said call;

a step of causing said switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence;

wherein said service control apparatus stores, as said service control information, those service contents which are different depending on time zones in said memory device thereof, and designates a special service corresponding to said time zone in which said first control signal is received, to said switching system.

10. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said one switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said one switching system when said one switching system accepts said call relating to a special telecommunications service to be provided by said service control apparatus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said call control sequence;

a step of controlling said call in accordance with said call control sequence by said one switching system and sending a first control signal including a dial number from said one switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of causing said service control apparatus receiving said first control signal to execute a service program so arranged in advance as to correspond to said dial number, and to read out the service control information corresponding to said dial number from said memory device during the execution process of said service program;

a step of causing said service control apparatus to notify a detection point for arming a next trigger in said call control sequence to said one switching system in accordance with the content of said service control information read out from said memory device; and

a step of causing said one switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence.

11. A telecommunications service control method according to claim 10, wherein said service control apparatus notifies a plurality of detection points for arming the trigger to said switching system in response to said first control signal.

12. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said switching system when said switching system accepts said call relating to a special telecommunications service to be provided by said service control apparatus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said control sequence;

a step of controlling said call in accordance with said call control sequence by said switching system and sending a first control signal including a dial number from said switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of causing said service control apparatus receiving said first control signal to execute a service program so arranged in advance as to correspond to said dial number, to read out service control information correspond to said dial number from said memory device during the execution process of said service program, and to notify a detection point for arming next the trigger in said call control sequence to said switching system;

a step of causing said switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence;

a step of sending a second control signal from said switching system to said service control apparatus when the state of said call shifts to a detection point at which said second trigger in said call control sequence is armed;

a step of causing said service control apparatus to designate the content of a special service determined by said service control information to said switching system in response to said second control signal; and

a step of causing said switching system to execute said special service designated from said service control apparatus in association with said call.

13. A telecommunications service control method according to claim 12, wherein said service control apparatus designates a full forwarding terminating apparatus of said call to said switching system as said special service, and said switching system terminates said call at said call forwarding terminating system.

14. A telecommunications service control according to claim 12, wherein said service control apparatus designates a call forwarding terminating apparatus determined in accordance with the state of a terminating equipment to said switching system as said special service, and said switching system terminates said call at said call forwarding terminating apparatus.

15. A telecommunications service control method according to claim 12, wherein said service control apparatus notifies a plurality of detection points for arming the trigger to said switching system in response to said first control signal.

16. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said switching system when said switching system accepts said call relating to a special telecommunications service to be provided by said service control a appartus whereby a first trigger for requesting transmission of a control siqnal to said service control apparatus is armed to a predetermined detection point in said control sequence;

a step of controlling said call in accordance with said call control sequence by said switching system and sending a first control signal including a dial number from said switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of causing said service control apparatus receiving said first control signal to execute a service program so arranged in advance as to correspond to said dial number, to read out service control information correspond to said dial number from said memory device during the execution process of said service program, to notify a detection point for arming next the trigger in said call control sequence to said switching system; and

a step of causing said switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence;

wherein said service control apparatus stores, as said service control information, those service contents which differ depending on time zones, in said memory device thereof, and designates a special service corresponding to the time zone in which said first control signal is received, to said switching system.

17. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said switching system when said switching system accepts said call relating to a special telecommunications service to be provided by said service control appartus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said control sequence;

a step of controlling said call in accordance with said call control sequence by said switching system and sending a first control signal including a dial number from said switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of causing said service control apparatus receiving said first control signal to execute a service program so arranged in advance as to correspond to said dial number, to read out service control information correspond to said dial number from said memory device during the execution process of said service program, and to notify a detection point for arming next the trigger in said call control sequence to said switching system; and

a step of causing said switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence;

wherein said service control apparatus designates a call forwarding terminating apparatus determined in accordance with a time zone in which said first control signal is received and with the state of terminating apparatus,to said switching system as said special service, and said switching system terminates said call at said call forwarding terminating apparatus.

18. A telecommunications service control method for a telecommunications network having at least one switching system and a service control point apparatus connected to said switching system, for providing the communications services, said method comprising:

a step of storing service definition information in a memory device of said service control point apparatus in such a manner as to correspond to each user;

a step of creating a basic call state model for arming a trigger to predetermined one of a plurality of detection points when a new call is received in said switching system;

a step of sending a first control signal from said switching system to said service control point apparatus when the state of said call shifts to said predetermined detection point of said basic call state model;

a step of causing said service control point apparatus receiving said first control signal to read out said service definition information corresponding to the terminating user of said call from said memory device and to send a second control information representing at least one detection point in said basic call state model and a trigger to be armed to said detection point to said switching system in accordance with the relation between the state of a called terminating equipment and a call forwarding terminating apparatus designated by said service definition information, to said switching system;

a step of causing said switching system to arm the trigger to said detection point designated by said second control information in said basic call state model;

a step of causing said switching system to shift the state in said basic call state model in accordance with the state of said called terminating equipment, and to send a third control signal to said service control point apparatus when said state shifts to said detection point to which said trigger is armed;

a step of causing said service control point apparatus to send a fourth control signal for designating another terminating equipment designated in advance by said service definition information to said switching system in response to said third control signal; and

a step of causing said switching system to terminate said call to said terminating equipment designated by said fourth control signal.

19. A telecommunications service control method according to claim 18, wherein said service control point apparatus designates a detection point as a shift point when said called terminating equipment is busy, and the trigger to be armed to said detection point, by said second control signal, and designates a terminating equipment at which said call is to be terminated when said called terminating equipment is busy, by said fourth control signal.

20. A telecommunications service control method according to claim 18, wherein said service control point apparatus designates a detection point as a shift point when a called terminal equipment does not answer, and the trigger to be armed to said detection point, by said second control signal, and designates a terminal equipment to be terminated when said called terminal equipment does not answer, by said fourth control signal.

21. A telecommunications service control method according to claim 18, wherein said service control point apparatus designates detection points which are different depending on time zones and triggers to be armed to said detection points, by said second control signal, and designates terminal equipments which are different depending on the time zone by said fourth control signal.

22. A telecommunications network comprising at least one switching system connected to a plurality of user terminal equipment and a service control apparatus for providing personal telecommunications services, connected to said switching system, wherein said switching system includes:

means for executing call control while shifting a state in accordance with a call state model in such a manner as to correspond to each call; and

means for sending, to said service control apparatus, a control signal including a dial number of a call when the state of said call shifts to any of detection points in said call state model and if, in this instance, a trigger for representing a transmission request of a control signal is armed to said detection point, wherein said service control apparatus includes;

first memory means for storing the relation of correspondence between said dial number and a service id;

second memory means for storing a plurality of records for service control which are so arranged as to correspond to said dial number, respectively;

third memory means for storing a plurality of service routines each having an intrinsic service id, and having the functions of reading out an information record for service control specified by said dial number from said second memory means and designating at least one detection point to which a trigger is to be armed in accordance with the content of said information record; and

processor means for determining a service id corresponding to said dial number designated by said control signal by looking up said first memory means when the first control signal in one call is received from said switching system, executing said service routine corresponding to said service id read out from said third memory means and notifying control information representing at least one detection point and a kind of triggers to be armed to said detection point, to said switching system; and

wherein

said switching system consequently executes the service designated by said service control apparatus.

23. A telecommunications network comprising at least one switching system connected to a plurality of user terminal equipments and a service control apparatus for providing personal telecommunications services, connected to said switching system, wherein said switching system includes:

memory means for storing a call state model corresponding to each call; and

means for arming a trigger representing a transmission request of a control signal to said service control apparatus at a predetermined detection point in said call state model, and sending said control signal including a dial number of a call to said service control apparatus when the state of said call shifts to said specific detection point to which said trigger is armed;

wherein said service control apparatus includes;

first memory means for storing the relation of correspondence between said dial number and a service id;

second memory means for storing a plurality of information records for service control specified by said dial number and said service id, respectively;

third memory means for storing a plurality of service routines each having an intrinsic service id, and having the functions of reading out an information record for service control specified by said dial number and said service id from said second memory means and designating at least one detection point to which said trigger is to be armed in accordance with the content of said service control information; and

processor means for determining a service id corresponding to said dial number designated by said control signal by looking up said first memory means when the first control signal in each call is received from said switching system, executing said service routine corresponding to said service id read out from said third memory means and notifying response signal representing at least one detection point and a kind of triggers to be armed to said detection point, to said switching system; and

wherein

said switching system consequently executes the service designated by said service control apparatus.

24. A telecommunications service control method in a telecommunications network having at least one switching system and a service control apparatus connected to said switching system and equipped with a memory device for storing service control information for each user, said method comprising:

a step of creating a call control sequence for controlling a state of a call inside said switching system when said switching system accepts said call relating to a special telecommunications service to be provided by said service control apparatus, whereby a first trigger for requesting transmission of a control signal to said service control apparatus is armed to a predetermined detection point in said control sequence;

a step of controlling said call in accordance with said call control sequence by said switching system and sending a first control signal from said switching system to said service control apparatus when the state of said call shifts to said predetermined detection point in said call control sequence;

a step of notifying a detection point so that said service control apparatus receiving said first control signal arms a next trigger in said call control sequence to said switching system in accordance with the content of the service control information read out from said memory device and corresponding to a terminating user of said call;

a step of causing said switching system to arm a second trigger to a detection point designated by said service control apparatus in said call control sequence;

wherein said service control apparatus designates, as a special service, a call forwarding terminating apparatus determined in accordance with the time zone in which said first control signal is received and with the state of a terminating equipment, to said switching system, and said switching system terminates said call at said call forwarding terminating apparatus.