JPH02219349A - Additional service control system - Google Patents

Abstract

PURPOSE:To perform communication between an integrated services digital network and terminal equipment in an interactive mode by displaying display information from the integrated services digital network on the terminal equipment, and returning corresponding information. CONSTITUTION:The integrated services digital network is equipped with a display information generating means 111 to generate the display information, a first communication means 113 to send the display information to a line and to preform the reception of a signal via the line, and a processing means 115 to perform a processing corresponding to the signal received by the means 113. The terminal equipment is equipped with a second communication means 121 to receive the display information sent via the line and also to perform the sending of the signal to the line, a first display means 123 to perform the display of the display information received by the means 121, and a first operating means 125 to perform the display input corresponding to the display of the display information by the means 123. As a whole, the additional service control system is constituted in such a way that the display information supplied from the integrated services digital network is displayed on the terminal equipment, and a corresponding instruction is returned from the terminal equipment.

Description

[Detailed Description of the Invention] [Table of Contents] Overview Industrial Application Fields Conventional Technology Problems to be Solved by the Invention Means for Solving the Problems Action Examples ■, Correspondence between the Examples and FIG. 1 ■ , Configuration of the embodiment (i) Configuration of the ISDN exchange system (11) Configuration of the subscriber side ■, Operation of the embodiment (1) Start-up procedure (ii) Confirmation procedure (ii-1) Fully interactive type (1i-2) Direct specification type■, summary of embodiments■0 Effects of the invention in the form of modification of the invention (Summary) Concerning an additional service control method that realizes additional services using the feature key management method specified in CCITT Recommendation Q, 932. , with the aim of efficiently operating the feature key management system, the display information created by the display information creation means of the service integrated digital network is transmitted to the terminal device and displayed on the first display means, and the corresponding instruction manual is required. The information is configured to be inputted from the first operating means and sent back.

Further, the lighting instruction created by the lighting instruction creation means of the service integrated digital network is transmitted to the terminal device, and the corresponding operation section of the second @ operation means is turned on.

Furthermore, the display restriction instruction created by the restriction instruction creation means of the service integrated digital network is transmitted to the terminal device, and the display of the manual information on the second display means is restricted in accordance with the display restriction instruction.

[Industrial application field]

The present invention is an additional service control method that realizes additional services using a feature key management method specified in CCTT Recommendation Q, 932. With the increase in the amount of data, integrated services digital networks (ISDNs) are being realized that enable the transmission of large amounts of data.

15DN is an alternative to traditional analog line networks, voice transmission via telephone networks and circuit switched networks.

Data communication etc. via a packet switching network can also be realized.

In addition, this 15DN also prohibits unconditional call forwarding (a service that automatically transfers calls to another registered subscriber when the called subscriber is absent) and prohibition of displaying the calling subscriber number (calling to the other party's terminal device). Additional services such as (services that prohibit display of subscriber number) are specified in the CCITT Recommendation 1.250 series, and the feature key management method that is one of the methods for realizing these additional services is CCITT Recommendation Q,
932.

[Problem to be solved by the invention]

By the way, the above-mentioned feature key management method only stipulates the message format, etc., and the details are left to each manufacturer, etc., so it is difficult to operate this feature key management method efficiently. There was a desire for an additional service control method that would allow for

The present invention was created in view of these points, and an object of the present invention is to provide an additional service control method that can efficiently operate a feature key management method.

[Means to solve the problem]

(i) H of quantity request 11 FIG. 1(A) is a principle block diagram of the additional service control method of claim 1.

In an additional service control method when an additional service is provided to a terminal device from an integrated service digital network using a feature key management method, the integrated service digital network includes a display information creation means 111 that creates display information, and a display information creation means 111 that creates display information. It is provided with a first communication means 113 that transmits signals to a line and receives signals via this line, and a processing means 115 that performs processing according to the signals received by the first communication means 113.

The terminal device includes a second communication means 121 that receives display information sent via the line and sends a signal to the line, and a second communication means 121 that displays the display information received by the second communication means 121. 1 display means 123 and the first display means 1
23, and a first operating means 125 for inputting instructions corresponding to the display of display information by 23.

As a whole, the display information supplied from the service integrated digital network is displayed on the terminal device, and the corresponding instructions are sent back from the terminal device.

11=N12H FIG. 1(B) is a principle block diagram of the additional service control method according to claim 2.

In an additional service control method when an additional service is provided from a service integrated digital network to a terminal device using a feature key management method, the service integrated digital network includes a lighting instruction creation means 131 that creates a lighting instruction; The first sent out to the line
The transmission means 133 is also provided.

The terminal device includes a first receiving means 141 that receives a lighting instruction sent via a line, and a second operating section that turns on the lighting in response to the lighting instruction received by the first receiving means 141.
The operating means 143 is also provided.

As a whole, it is configured to light up the operating section corresponding to the corresponding additional service in the second operating means I43 of the terminal device in response to a lighting instruction from the service integrated digital network.

iii) 3) Fig. 1(C) is a principle block diagram of the additional service control method according to claim 3.

In an additional service control method when an additional service is provided to a terminal device from an integrated service digital network using a feature key management method, the integrated service digital network includes a restriction instruction creation means 151 that creates a display restriction instruction, and a display restriction instruction. and second transmitting means 153 for transmitting instructions to the line.

The terminal device includes a second receiving means 161 that receives a display restriction instruction sent via a line, a second display means 163 that displays input information from a subscriber, and a second receiving means 161.
display restriction means 1 for restricting the display of input information by the second display means 163 when a display restriction instruction is received by
65.

Overall, the display of input information by the second display means 163 is restricted in response to a display restriction instruction from the service integrated digital network.

[Function] i) The display information created by the display information creation means 111 of the service integrated digital network is sent out via the first communication means 113 and received by the second communication means of the terminal device. It is then displayed on the first display means 123.

The subscriber inputs instructions by operating the first operation means 125 while viewing the displayed information from the first display means 123. This operation status is sent to the service integrated digital network via the second communication means 121, and the corresponding processing is performed by the processing means 115.

In this way, interaction between the service integrated digital network and the terminal device can be carried out in an interactive manner.

(ii) J2's ■ The lighting instruction created by the lighting instruction creation means 131 of the service integrated digital network is sent via the first transmitting means 133, received by the first receiving means 141 of the terminal device, and then sent to the second It is supplied to the operating means 143. The second operating means 143 has an operating section that can be turned on, and the operating section can be turned on in response to the supplied lighting instruction.

In this way, by lighting up the corresponding operation section of the second operation means of the terminal device in response to the lighting instruction from the service integrated digital network, it becomes possible to specify the additional service that is effective in each terminal device. .

(iii. Job application 3) ■ The display restriction instruction created by the service integrated digital network restriction instruction creation means 151 is sent via the second transmission means 153, and after being received by the second reception means 161 of the terminal device, the display restriction instruction is displayed. Supplied to restriction means 165.Display restriction means 16
When the display restriction instruction is supplied to the second display means 163
The display of input information from subscribers is restricted.

In this way, by restricting the display of input information (for example, a password) from a subscriber on the terminal device itself in response to a display restriction instruction from the service integrated digital network, input information can be transmitted to a third party when inputting information. leakage can be prevented.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

FIG. 2 shows the configuration of an 15DN switching system according to an embodiment to which the supplementary service control method of the present invention is applied. Also,
FIG. 3 shows the configuration on the subscriber side of one embodiment.

(2) Correspondence between the embodiment and FIG. 1 The relationship between the embodiment of the present invention and FIG. 1 will now be described.

The service integrated digital network corresponds to the I5DN switching system.

The terminal device corresponds to the digital telephone 341.

The display information creation means 111 includes a call processing processor (CPR).
)253.

The first communication means 113 includes the subscriber line concentrator 210, the line processor 240. Digital switch module (DSM) 2
It corresponds to 51.

The processing means 115 includes a call processing processor (CPR) 253
, corresponds to the main processor (MPR) 261.

The second communication means 121 communicates with the CPU 351. It corresponds to the interface control section 361.

The first display means 123 corresponds to the display 375.

The first operating means 125 includes the dial section 371. Operation section 37
Corresponds to 3.

The lighting instruction generation means 131 is a call processing processor (CPR).
)253.

The first transmitting means 133 includes a subscriber line concentrator 210.degree. line processing section 240. Digital switch module (DSM)
It corresponds to 251.

The first receiving means 141 includes the CPU 351. It corresponds to the interface control section 361.

The second display means 143 corresponds to the display 375.

The restriction instruction means 151 is a call processing processor (CPR) 2
It corresponds to 53.

The second transmitting means 153 includes the subscriber line concentrator 210, the line processor 240. Digital switch module (DSM) 2
It corresponds to 51.

The second receiving means 161 includes the CPU 351. It corresponds to the interface control section 361.

The second display means 163 corresponds to the display 375.

The display restriction means 165 corresponds to the CPU 351.

Examples of the present invention will be described below assuming that the correspondence relationship as described above exists.

In FIG. 2, the l5DN switching system of the embodiment includes a plurality of subscriber line concentrators 2102, line processing units 240, switching processing units 250, . A packet handler 271 is provided.

The subscriber line concentrator 210 has a function of accommodating a plurality of subscriber lines, concentrating these lines, and converting the multiplicity.

This subscriber line concentrator 210 includes a plurality of digital subscriber line cards (DLC) 211.21 that terminate each subscriber line.
3. ..., a subscriber line termination switch (LTSW) 231 that performs multiplicity conversion, and each digital subscriber line card (DLC) and subscriber line termination switch (LTSW).
231, and a digital subscriber line card controller (DLCC) 221 that controls data exchange with 231.

Each subscriber line is connected to each digital subscriber line card (DLC).
211, 213. ... and is accommodated in the subscriber line termination switch (LTSW) 231. A digital subscriber line card controller (DLCC) 221 is connected to each digital subscriber line card (DLC) and subscriber line termination switch (LTSW) 231.

The line processing unit 240 also includes a plurality of subscriber line concentrators 21
It has a function of controlling data transmission and reception between the subscriber line concentrator 210 and the exchange processing unit 250.

This line processing unit 240 includes a subscriber line processor (LPR) 241 that controls the entire line processing unit 240, and each digital subscriber line card (LPR) in each subscriber line concentrator 210.
It consists of a digital subscriber line interface (DLIF) 243 for controlling the subscriber line termination switch (LTSW) 231 and a network interface (NWIF) 233 for connecting the subscriber line termination switch (LTSW) 231 and the exchange processing unit 250. There is.

The subscriber line processor (LPR) 241 is connected to the subscriber line termination switch (LTSW) 23 in each subscriber line concentrator 210.
1 and Digital Subscriber Line Interface (DLIF)
243.

Digital subscriber line interface (DLIF) 243
is connected to a digital subscriber line card controller (DLCC) 221 and a subscriber line termination switch (LTSW) 231 in each subscriber line concentrator 210. The network interface (NWIF) 233 is connected to the subscriber line termination switch (LTSW) 231 . It is connected to the exchange processing section 250.

Furthermore, the exchange processing unit 250 has a function of exchanging data between outgoing lines and performing an exchange process.

This exchange processing unit 250 includes a digital switch module (DSM) 251 composed of a time switch, etc., and a call processing processor (CPR) 253 that controls call processing.
, a common line signal processing device (C3E) 255 that performs control regarding the common line signaling system, a main processor (MPR) 261 that performs overall control of the exchange processing unit 250, and input/output of data and control signals between the processors. It is composed of a controlling inter-processor adapter (CCA) 257 and various input/output devices 263.

Call processing processor (CPR) 253 includes digital switch module (DSM) 251 . Common line signal processing device (C3E) 255 and processor-to-processor adapter (CCA)
) 257, and the common line signal processing device (C3
E) 255 is a digital switch module (DSM)
251. In addition, the main processor (M
PR) 261, input/output device 263, and interprocessor adapter (CCA) 257 are connected in a helical manner. Further, the digital switch module (DSM) 251 is connected to a packet handler 271 that processes data packets, and this packet handler 271 is connected to an existing packet-only network.

Data introduced via the subscriber line is received by the subscriber line concentrator 210 and is multiplicity-converted. Furthermore, this data is sent to the exchange processing section 250 via the line processing section 240.
exchange processing is performed depending on the communication partner. The exchanged data is packet-processed by the packet handler 271 and sent to the relay line. When data sent via a trunk line is sent to a desired subscriber, the data is sent to the subscriber line via the opposite route.

ii mMfi FIG. 3(a) shows the configuration of the subscriber side connected to each subscriber line in FIG. 2.

A network termination device (NT) 311 is connected to the network termination device (NT) 311 via a subscriber line, and a terminal device 331 . A digital telephone 341 and the like are connected.

Further, FIG. 3(B) shows a detailed configuration of the digital telephone 341 shown in FIG. 3(A). In the figure, "8 points" indicate service access points.

This digital telephone 341 is similar to the digital telephone 34
1, and an interface control unit 36 that physically connects the 8 points and each component.
1, a handset 365 equipped with a speaker and a microphone, an audio control unit 363 that performs mutual conversion between an audio signal (analog signal) and digital data, a display 375 that displays various information to subscribers, and a transmitter. It includes a dial section 371 consisting of numeric keys for inputting calls or data, and an operation section 373 consisting of a plurality of keys corresponding to each additional service.

Handset 365 is connected to interface control 361 via voice control 363 . Further, each component except for the handset 365 is connected in a helical manner.

U Kijin 1 work Next, the operation of the embodiment of the present invention will be explained.

FIG. 4 shows details of the interaction between the 15DN switching system and the subscriber side when an unconditional call forwarding service (CFU) is considered as an additional service in the 15DN shown in FIGS. 2 and 3. FIG. 4(A) shows the procedure for activating the unconditional call forwarding service, and FIGS. 4(B) and 4(C) show the procedure for checking the registered additional services.

Below, the activation procedure and confirmation procedure of the additional service (unconditional call forwarding service) will be explained separately.

(1) Startup” Figure 5 shows I when implementing the procedure shown in Figure 4 (a).
This figure shows each operation procedure of the SDN exchange system and the subscriber side. Figure 5 (a) shows the operation procedure on the subscriber side, and (b) shows l5
Each of the operating procedures of the DN exchange system is shown.

(i-1) Operation on the subscriber side ■ First, the subscriber side (for example, digital telephone 341) sends an unconditional call transfer (C
FU) Makes a startup request. An activation request is made by pressing a key assigned to the unconditional call transfer service in the operation unit 373 (step 511).

This activation request is sent to the subscriber line via the interface control unit 361, and is sent to the subscriber line via the interface control unit 361, for example, when a digital subscriber line card (
DLC)211. Subscriber line termination switch (LTSW) 2
31. Network interface (NWIF) 23
Digital Switch Module (DSM) 2 through 3
Sent to 51.

The call processing processor (CPR) 253 accepts the activation request supplied to the digital switch module (DSM) 251 (step 551).

The following operation in the 15DN switching system will be explained with a focus on the call processing processor (CPR) 253, and the operation of transferring data and control signals via the subscriber line concentrator 210 and line processing unit 240 will be omitted. .

■When the activation request is received, the call processing processor (CPR)
253 determines whether there is information that the subscriber is requested to send (step 552).

If there is a request to activate the unconditional call forwarding service, it is necessary to request a forwarding destination number, so an affirmative determination is made (if the request for information is an additional service that does not require a request, a negative determination is made).

Next, call processing processor (CPR) 253 requests digital telephone 341 to input a forwarding destination number (step 553). During this time, the digital telephone 341 is waiting for a response from the call processing processor (CPR) 253 (step 512L).
Display information “CFU FORWARD” from PR) 253
When INGTO'' is sent, the digital telephone 341
displayed on the display 375 (step 513),
Prompt the subscriber to enter the forwarding number.

(2) Next, the digital telephone 341 enters a state of waiting for an input from the subscriber (step 514), and the subscriber inputs the subscriber number of the transfer destination by operating the dial section 371. The input subscriber number is sequentially sent to the call processing processor (CPR) 253 (step 515).

The call processing processor (CPR) 253 receives the subscriber number digit by digit (step 554) and determines whether number reception is complete (step 555). If the determination is negative, the process returns to step 554 to continue receiving the subscriber number.

② When inputting the transfer destination subscriber number is completed, the subscriber presses the key "*' in the dial section 371, for example.

Notify the end of input by pressing . Thereafter, the digital telephone 341 uses a call processing processor (CPR).
Waiting for a response from 253 (step 516)
.

The call processing processor (CPR) 253 also uses the key “*
”, an affirmative determination is made in step 555.

Next, the call processing processor (CPR) 253 performs bearer service confirmation processing to determine the unconditional call forwarding service requested in step 5 (step 556).

A call processing processor (CPR) 253 sequentially sends out display information regarding bearer services.

(2) The digital telephone 341 sequentially displays the bearer services sent from the call processing processor (CPR) 253 at step 517), and waits for an operation from the subscriber (step 518).

When the unconditional call forwarding service is displayed as a bearer service, the subscriber presses the key "1" indicating validity.

Further, when other basic services are displayed, the user presses the key "0" indicating invalidation (step 519). For example, only conversation (SPEECH) is registered. The digital telephone 341 then uses a call processing processor (CPR) 2.
53 (step 520).

The call processing processor (CPR) 253 monitors key operations by the subscriber and determines whether or not keeper 1'' has been operated (step 557).

If the determination is affirmative, the corresponding bearer service is enabled, and if the determination is negative, the corresponding bearer service is disabled (step 559).

Next, the call processing processor (CPR) 253 determines whether all bearer services have been confirmed (step 560), and if the determination is negative, repeats the processing from step 556 onwards.

If the determination is affirmative, the next valid bearer service determines whether a password is required (step 561).

In the case of unconditional call forwarding service, a password is required, so an affirmative determination is made.

■Next, the call processing processor (CPR) 253 displays PASSWAR as display information for prompting password input.
D'' (step 562).

The digital telephone 341 has a call processing processor (CP).
R) Display information sent from 253 on display 3
75 (step 521) ■Also, in response to the display of ■, the call processing processor (CPR) 253 sends an instruction (FI-“'ECHOOOFF”) not to display the password input from the digital telephone Ia 341 on the screen. (Step 563).

Local echo (digital telephone 3) responds to this instruction.
41 on the display 375) is prohibited, and security on the telephone 341 is ensured (step 52).
2).

-Next, the telephone 341 enters a state of waiting for manual input of the password (step 523). The subscriber operates dial unit 371 of telephone 341 to input a password. The password entered is the call processing processor (CPR) 2
53 (received by the staircase 524L (step 564)).

Note that the password entered by the subscriber is not displayed on the digital telephone 341 because the display is restricted by the instructions in ■.
is not displayed on the display 375.

Thereafter, the digital telephone 341 waits for a response from the call processing processor (CPR) 25.3 (step 525).

[Phase] After receiving the password, the call processing processor (CPR) 253 sends an instruction to the digital telephone 341 to release the display restriction (step 565).

When the digital phone 341 receives this cancellation instruction,
The restriction on display on display 375 is lifted (step 526).

Next, the digital telephone 341 notifies the call processing processor (CPR) 253 of the end of the supplementary service activation procedure (step 527).

The call processing processor (CPR) 253 determines whether or not the procedure has ended (step 566), and makes an affirmative determination in response to the notification of the end of the additional service activation procedure.

■Next, the call processing processor (CPR) 253 checks all the devices (digital telephone 3) connected to the corresponding line.
41, etc.) that the unconditional call forwarding service has been activated (step 567). When making this notification, the broadcast format (
This is done using the terminal identifier TEI=127). The digital telephone 341 that has received the notification lights up a key corresponding to the unconditional call transfer service in the operation section 373 (step 528).

■The call processing processor (CPR) 253 also sends display information "CF
Send “U ACTIVATED” (step 568)
. Digital telephone 341 displays this display information on display 375 (step 529).

10 [Y] IFL order Next, the procedure for checking additional services will be explained.

FIG. 4(B) shows a completely conversational type procedure, and FIG. 4(C) shows a direct specification type procedure. Below, Figures 2, 3, and 4 (
The cases will be explained separately with reference to (b) and (c).

(ii-1) Fully conversational type First, the digital telephone 341 makes an inquiry request to the call processing processor (CPR) 253.

(2) The call processing processor (CPR) 253 sequentially sends additional service display information, and the digital telephone 341 displays this display information. For example, check whether a so-called call waiting service is registered that, when a call is received from another digital telephone during a communication operation, interrupts the communication operation and communicates with the digital telephone receiving the call. To confirm, digital telephone 341
The display information “CALL WAITING” is displayed on the screen.

- If the display is not required, press the key "0°°" in the dial section 371 of the digital telephone 341 to notify that the display is not required.

■Next, the display information “CF U” sent from the call processing processor “II (CPR) 253 is sent to the digital telephone 3.
41.

■When requesting display, use the digital telephone 34.
Press the key "1" in the dial section 371 of No. 1 to notify the display request.

■In response to the display request from the digital telephone 341, the call processing processor (CPR) 253 notifies all devices connected to the corresponding line that the unconditional call forwarding service has been activated. do. This notification is made in a broadcast format to specify all target devices, and a key corresponding to unconditional call transfer is lit.

■Also, the digital telephone 341 that made the inquiry
Display information “CFU ACTIVATED, 5PEE”
This display information is displayed on the display 375 of the digital telephone 341 to inform the subscriber that the unconditional call forwarding service is in effect for the conversation service.

(2) Confirmation processing for other services (such as the calling subscriber number display inhibition service (CLIR)) is performed in the same manner.

(ii-2) Direct designation agent ■ First, the digital telephone 341 makes an inquiry request to the call processing processor (CPR) 253.

■Furthermore, it is subsequently notified that the inquiry is about unconditional call forwarding. For example, if "00°" corresponds to call waiting service and "01" corresponds to unconditional call forwarding, the dial section 371 is operated to designate the number "'01".

(2) In response to an instruction from the digital telephone 341, the call processing processor (CPR) 253 notifies all devices connected to the corresponding line that the unconditional call forwarding service has been activated. In this notification,
Performed in a broadcast format to specify all target devices,
Light up the key corresponding to the unconditional call forwarding service.

■Also, the digital telephone 341 that made the inquiry
Display information “CFU ACTIVATED, 5PEE”
Send CH"". This display information is displayed on the display 375 of digital telephone a 341 to inform the subscriber that unconditional call forwarding service is in effect for conversational services.

■Summary of three columns In this way, display information is sent from the call processing processor (CPR) 253 to the digital telephone 341, and the subscriber of the digital telephone 341 inputs a corresponding instruction by viewing this display information. Can be done.

In addition, instructions from the call processing processor (CPR) 253 (
The additional service can be easily confirmed by lighting the key corresponding to the unconditional call forwarding service of the corresponding digital telephone 341 in response to Fl-"'CFU''ACTIVATED or CFU ACTIVATED). In particular, in the case of 15DN, it is easy to move the connected device, and there are advantages in that the additional services to which the user has subscribed can be easily confirmed at the destination.

Furthermore, instructions from the call processing processor (CPR) 253 (
Since it is possible to inhibit local echo depending on FI-“ECHOOFF”),
Security can be improved by preventing information leakage when entering a password in the first class.

■Changes to the Embodiment 7 In the embodiment of the present invention described above, an unconditional call forwarding service was considered as an example of an additional service. ) is also the same.

In addition, in ``correspondence between Examples and Figure 1'',
Although the correspondence between the present invention and the embodiments has been described, those skilled in the art can easily imagine that the present invention is not limited to this and that various modifications can be made.

〔Effect of the invention〕

As described above, according to the invention of claim 1, the display information from the service integrated digital network is displayed on the terminal device, and the corresponding information is returned, thereby facilitating interaction between the service integrated digital network and the terminal device. It becomes possible to implement it in a mold.

Further, according to the second aspect of the invention, by lighting up the operation section of the terminal device in response to an instruction from the service integrated digital network, it becomes possible to specify the effective additional service in each terminal device.

Furthermore, according to the invention of claim 3, information leakage to a third party is prevented by restricting the display of information input from the terminal device on the terminal device itself in response to instructions from the service integrated digital network. becomes possible.

Therefore, the feature key management method can be operated efficiently by restricting interactive operation and display of input information on the terminal device itself by lighting up the corresponding operation section, which is extremely useful in practice. be.

[Brief explanation of the drawing]

Fig. 1 is a principle block diagram of the additional service control method of the present invention, Fig. 2 is a block diagram of an I5DN switching system according to an embodiment, Fig. 3 is a block diagram of a subscriber side according to an embodiment, and Fig. 4 is a block diagram of the principle of the additional service control method of the present invention. FIG. 5 is an explanatory diagram of the operation of one embodiment. is a restriction instruction creation means, is a second transmission means, is a second reception means, is a second display means, and is a display restriction means. In the figure, 111 is a display information creation means, 113 is a first communication means, 115 is a processing means, 121 is a second communication means, 123 is a first display means, 125 is a first operation means, 131 is a lighting instruction creation means, 133 is a first transmitting means, 141 is a first receiving means, 143 is a second operating means,

Claims (3)

[Claims] (1) In an additional service control method when an additional service is provided to a terminal device from an integrated service digital network using a feature key management method, the integrated service digital network includes display information creation means (111) for creating display information. ), a first communication means (113) that transmits the display information to a line and receives signals via this line, and performs processing according to the signal received by the first communication means (113). The terminal device includes a second communication means (115) that receives display information sent via the line and sends a signal to the line.
21), a first display means (123) for displaying the display information received by the second communication means (121), and inputting an instruction corresponding to the display of the display information by the first display means (123). and a first operating means (125), the display information supplied from the service integrated digital network is displayed on the terminal device, and the corresponding instruction is returned from the terminal device. Service control method. (2) In an additional service control method when an additional service is provided to a terminal device from a service integrated digital network using a feature key management method, the service integrated digital network includes a lighting instruction creation means (131) that creates a lighting instruction. ), and a first transmitting means (133) for transmitting the lighting instruction to the line.
The terminal device includes: a first device that receives a lighting instruction sent via the line;
a second operating means (143) having a receiving means (141) and an operating section that turns on the light according to the lighting instruction received by the first receiving means (141);
An addition characterized in that the operating section corresponding to the corresponding additional service in the second operating means (143) of the terminal device is configured to light up in response to a lighting instruction from the service integrated digital network. Service control method. (3) In an additional service control method when an additional service is provided to a terminal device from an integrated service digital network using a feature key management method, the integrated service digital network includes a restriction instruction creation means (for creating a display restriction instruction). 151), and a second transmitting means (15) for transmitting the display restriction instruction to the line.
3), the terminal device comprises: second receiving means (161) for receiving a display restriction instruction sent via the line; and second display means (163) for displaying input information from the subscriber.
); and display restriction means (165) for restricting the display of input information by the second display means (163) when the display restriction instruction is received by the second reception means (161), An additional service control method characterized in that the display of input information by the second display means (163) is restricted in response to a display restriction instruction from an integrated digital network.