JPH07231369A - Collect call system and card issuing machine - Google Patents

Abstract

PURPOSE:To provide an easily collect call system capable of preventing unauthorized use by automatically connecting a collect call. CONSTITUTION:This system is constituted of a portable storage medium 100 provided with a service request information area 110, a call termination destination telephone number area 120 and an unauthorized use prevention information area 130, a terminal 200 provided with a medium information read part 210 for reading the information of the portable storage medium 100, an automatic signal transmission part 220 for converting storage information to a telephone number and transmitting it, an identification number non-coincidence detection part 230 for confirming an identification number and a medium information elimination part 240 for eliminating the storage information of the portable storage medium 100 in the case of the unauthorized use and an electronic exchange 300 provided with a collect call registration part 310 for registering the call termination telephone set T of the collect call and an unauthorized use prevention part 320 for checking the identification number corresponding to the call termination telephone set T and preventing the unauthorized use.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a collect call system which is easy to operate and is not tampered with.

[0002] Collect call pays the call charge on the receiving side, and it is necessary to obtain the consent of the payee from the receiving side subscriber before connecting. Therefore, the operator must intervene for the connection. However, the procedure is complicated and responsiveness is lacking.

In such a collect call, there is a demand for a collect call system that is easy to operate and that is not illegally used.

[0004]

2. Description of the Related Art FIG. 12 is a view for explaining a collect call system (1) of a conventional example. In the figure, 300A is an electronic exchange, 330 is a billing processor, 340 is an operator (indicated as OP in the figure), and T1 and T2 are telephones.

In the configuration shown in the figure, when it is desired to make a collect call from the telephone T1 housed in the electronic exchange 300A to the telephone T2, the telephone T1 operates the operator 340.
To request a collect call connection to the telephone T2.

Therefore, the operator 340 calls the telephone set T2 through the electronic exchange 300A to notify that there is a collect call connection request, and when the telephone set T2 accepts the collect call, the telephone sets T1 and T2.
Connect to 2 and talk.

The billing processing section 330 bills this call charge as the bill for the telephone set T2 on the receiving side. FIG. 13 is a diagram for explaining the collect call system (2) of the conventional example.
In the figure, 300B is an electronic exchange, 310 is a collect call registration unit, 330 is a billing processing unit, 350 is a voice response device,
T1 and T2 are telephones.

In the configuration shown in the figure, when it is desired to make a collect call from the telephone set T1 housed in the electronic exchange 300B to the telephone set T2, the telephone set T1 dials the collect call special number and then the called telephone number. At this time, if the called telephone number is registered in the collect call registration unit 310 as permitting the collect call connection, the personal identification number is further dialed, and the connection is performed when the personal identification numbers match.

As in FIG. 12, the billing processing unit 330 bills this call charge as the bill for the telephone set T2 on the receiving side.

[0010]

Problems to be Solved by the Invention Conventional example (1) of FIG.
In the case of (3), when the collect call is connected, the operator 340 intervenes, and the procedure until the collect call is established is complicated and lacks responsiveness.

Further, in the conventional example (2) of FIG. 13,
When connecting the collect call, the collect call special number, the callee's telephone number, the personal identification number, etc. are input to the voice response device 350.
It is necessary to enter according to the guidance from
The operation procedure is complicated, and it takes some time to complete the connection.

The present invention intends to realize a collect call system which is easy to operate and can prevent illegal use in collect call.

[0013]

FIG. 1 is a block diagram for explaining the principle of the present invention. Reference numeral 100 in the drawing denotes a portable storage medium provided with a service request information area (characters in the area are omitted) 110, a destination telephone number area 120, and an unauthorized use prevention information area 130.

Reference numeral 200 denotes a medium information reading unit 210 that reads information from the portable storage medium 100, an automatic signal sending unit 220 that converts the stored information read by the medium information reading unit 210 into a telephone number, and sends the telephone number. The terminal includes a personal identification number mismatch detection unit 230 that checks the validity of the personal identification number that has been generated, and a medium information erasing unit 240 that erases the stored information of the portable storage medium 100 when it is determined to be illegally used.

Further, 300 is a register of the telephone set T for receiving the collect call, a collect call registering section 310 for registering a personal identification number corresponding to the telephone set T, and a personal identification number corresponding to the telephone set T registered by the collect call registering section 310 are checked. Unauthorized use prevention unit 320 for preventing unauthorized use
And the telephone set T registered in the collect call registration unit 310
Is an electronic exchange equipped with a billing processing unit 330 for billing the telephone set T when an incoming call arrives, and the collect call special number, the destination telephone number, and the unauthorized use prevention information stored in the portable storage medium 100. Is read by the terminal 200 and sent to the electronic exchange 300 to automatically make a collect call connection.

[0016]

A portable storage medium 100, for example, a magnetic card,
The IC card stores a service request information area 110 for storing a collect call special number, a destination telephone number area 120 for storing a telephone number of a recipient of the collect call, and unauthorized use prevention information for preventing unauthorized use. The unauthorized use prevention information 130 is provided.

When the portable storage medium 100 is inserted into the terminal 200 and off-hook, when the terminal 200 determines that it is within the restriction condition specified in the unauthorized use prevention information area 130, the terminal 200 enters the calling state and the electronic exchange 300 is off-hook. Is detected and DT is sent out. Therefore, the terminal 200 receives the DT from the electronic exchange 300, and then the portable storage medium 10
The collect call special number on the service request information area 110 of 0 is read and sent to the electronic exchange 300.

Next, the destination telephone number is sent from the terminal 200, the destination telephone number of the electronic exchange 300 is registered in the collect call registration unit 310, and the personal identification number input by the personal identification number request signal is checked. Is performed by the unauthorized use prevention unit 320, and when the passwords match, the telephone receiver T is connected, and the billing processor 330 charges the telephone receiver T for the call charge.

[0019]

2 and 3 are flow charts (1) and (2) of an embodiment of the present invention, the process of a collect call connection will be described with reference to the drawings.

S1, S2: A portable storage medium (hereinafter referred to as a card) 100 is inserted into the terminal 200 and off-hooked to send a calling signal to the electronic exchange 300. Since the checking of the unauthorized use prevention information will be described with reference to FIGS. 8 and 9, it is omitted here.

S3: The electronic exchange 300 detects the calling signal and sends out a telephone number request signal (hereinafter referred to as dial tone DT). S4; the terminal 200 receives the DT, and then the card 10
The automatic collect call special number on the service request information area 110 of 0 is read and transmitted.

S5: The electronic exchange 300 recognizes that the requested service is the automatic collect call, and requests the input of the called telephone number by sending DT. S6; the terminal 200 receives the DT, and then the card 10
The telephone number on the destination telephone number area 120 of 0 is read and transmitted.

S7: The electronic exchange 300 confirms that the received callee telephone number is registered in the collect call registration unit 310, then sends out DT and requests the input of the personal identification number.

S8: The terminal 200 receives the DT, and then sends out the personal identification number input by the key of the terminal 200. S9: The electronic exchange 300 confirms in the unauthorized use prevention unit 320 whether the personal identification number matches the personal identification number set for the destination telephone number.

S9a: If the code numbers do not match, an automatic collect call refusal signal is sent to the terminal 200, and the terminal 200 generates a refusal sound and the card 10
Emit 0 and return.

S10 to S14: When the personal identification numbers match, the electronic exchange 300 performs a busy test, and when the called telephone T is busy, sends a busy tone BT to the terminal 200 and is not busy. At this time, the ringing tone is sent to the terminal 200 and the ringing tone is sent to the telephone set T of the called party. If there is no response within a fixed time, the electronic exchange 300 sends an automatic collect call reject signal to the terminal 200, and the terminal 200 generates a reject tone.

S15 to S18: When the telephone T of the callee goes off-hook, the electronic exchange 300 confirms the response, starts the billing process to the telephone T of the callee, and performs the call. S19 to S22: When the terminal 200 and the telephone T of the callee are off-hook, the electronic exchange 300 disconnects and the terminal 200 ejects the card 100.

By using the card 100 as described above, collect call connection can be performed by a simple procedure of only inserting the card 100 into the terminal 200. FIG. 4 shows a card issuing machine according to an embodiment of the present invention. The card issuing machine 400 including the signal sending unit 410, the permission signal receiving unit 420, and the card issuing unit 430 is connected to the electronic exchange 300. The called subscriber who receives the automatic collect call service applies in advance to the telephone company for his / her telephone T to join the automatic collect call service. The telephone company that has received the application registers the telephone number of the telephone set T to be received by collect call in the collect call registration unit 310 of the electronic exchange 300 and the secret code in the secret code registration unit 310B. In this state, the process of issuing a card in response to a card issuing request from the card issuing machine 400 is shown in FIG. 5 and FIG.
This will be described with reference to (2).

S1 to s2: When the card issuer requests the card issuance, the card issuing machine 400 causes the signal sending section 41 to
A calling signal is sent from 0 to the electronic exchange 300.
s3 to s4: The electronic exchange 300 detects the calling signal, and D
Send T.

S5 to s6; the card issuing machine 400 uses the DT
After receiving, the signal sending unit 410 sends the special card issue special number. s7 to s8: The electronic exchange 300 detects the special card issuance special number and requests the input of the telephone number of the destination telephone T by the DT.

S9-s10: The card issuing machine 400 is DT
When this is received, the guidance by voice or character information is generated thereby, and the card issue requester is instructed to enter the telephone number of the receiving destination telephone T. Then, the input telephone number is sent to the electronic exchange 300 through the signal sending unit 410.

S11-s13: The electronic exchange 300 receives the telephone number, confirms in the collect call registration unit 310 that the telephone number is registered to make an automatic collect call, and if not registered, the card issuing machine Four
An issuance refusal signal is sent to 00, and if it is registered, a guidance requesting the input of the personal identification number is sent.

S14 to s15: The card issuing machine 400 sends the personal identification number corresponding to the destination telephone set T from the signal sending section 410. s16 to s18: The electronic exchange 300 receives the personal identification number, confirms that the personal identification number received in the personal identification number registration unit 310B is registered, and if it is not registered, issues an issuance refusal signal to the card issuing machine 400. When it is registered, the card issuance permission signal is sent if it is registered, and guidance for final confirmation is also sent.

S19 to s22: After the card issuing machine 400 receives the card issuance permission signal at the permission signal receiving section 420, the card issuing machine 400 confirms that the called party's telephone number and password are correct. The card 100 is issued by 430.

Here, the card 100 has, for example, a service request information area 110, a called telephone number area 120, and an unauthorized use prevention information area 130 as shown in FIG. 4, and an electronic exchange is provided in each area. According to the instruction from 300, necessary information is recorded.

FIG. 7 shows a flowchart (3) of the card issuing machine according to the embodiment of the present invention. In the figure, usage restriction information designating a usage period and the like is added in addition to the code number, and the operation will be described with reference to a flowchart.

S1 to s14: The operation of requesting the card issuing special number and the personal identification number from the card issuing machine 400 to the electronic exchange 300 is the same as in FIGS. s15 to s17A: The electronic exchange 300 confirms the personal identification number, and if the personal identification numbers match, sends a guidance requesting the input of the use restriction condition.

S18A to s19A: The usage restriction conditions are sent to the electronic exchange 300 according to the usage restriction guidance. s20A to s21A: The electronic exchange 300 confirms the received usage restriction condition, and if there is no contradiction, sends the card issuance permission signal.

From s19: The operation of receiving the card issuance permission signal from the electronic exchange 300 and issuing the card 100 is the same as that from s19 onward in FIG. FIG. 8 is a diagram for explaining another embodiment (1) of the present invention. (A) shows the configuration, the card 100 described in FIG. 1 is provided with a usage period designation information area 140 as an unauthorized use prevention information area 130,
The terminal 200 is provided with a calendar generation unit 250.

(B) shows a flow chart. When the card 100 is inserted into the terminal 200 and off-hook, the terminal 200 first reads the usage period of the usage period designation information area 140 of the card 100, compares it with the current calendar generated by the calendar generation unit 250, and determines whether the usage period is within the usage period. In this case, the calling signal is sent to the electronic exchange 300.

FIG. 9 shows a diagram for explaining another embodiment (2) of the present invention. In the figure, the card 100 is provided with a usage count recording area 150 as an unauthorized use prevention information area 130 and a usage limit count area 160, and the terminal 200 updates the usage count of the usage count recording area 150 in response to a response from the electronic exchange 300. The usage count updating unit 260, and the usage count comparing unit 270 that compares the usage count of the usage count recording area 150 with the usage restriction count specified in the usage restriction count area 160.
Is provided.

When a collect call is made from the terminal 200 using the card 100, the number of times of use of the number-of-uses recording area 150 by the number-of-uses comparing section 270 is within the number of use-restrictions specified in the number-of-use-restrictions area 160. After confirming, a collect call is made, and after the call ends, the number-of-uses updating section 260 updates the number of uses in the number-of-uses recording area 150.

Although not shown in the figure, a called telephone number is registered in the collect call registration unit 310 of the electronic exchange 300, and a plurality of personal identification numbers corresponding to one destination telephone number are registered in the personal identification number registration unit 310B. Is registered, and various usage restriction information described in FIG. 9 is stored in the card 100 for each personal identification number, and usage restriction is performed, whereby it is possible to prevent the unauthorized use of the called party subscriber.

FIG. 10 shows a flowchart (3) of the embodiment of the present invention. In the figure, when the personal identification numbers do not match, the personal identification numbers are collated and the number of times of disagreement is stored, and when the number of times exceeds a designated number, the stored information of the card 100 is erased, It is forbidden to make a collect call from the card 100.

S1 to S8: The same as S1 to S8 in FIG. S9-; if the personal identification number is checked and it is OK, the busy test of the telephone set T of the callee is performed and the operation of connecting is S in FIG.
It is the same as 9 or later.

S11A to S15A: If the personal identification numbers do not match in S9, the count value of the personal identification number discrepancy counting unit 230A that writes the number of times of discordance (not shown) is checked. A reject sound is sent to 200, and the card 100 is ejected.

S16A to S18A: If the personal identification numbers do not match and the number of mismatches exceeds the specified number, the stored information in the card 100 is erased, a reject sound is sent, and the card 100 is ejected.

In FIG. 10, the number of mismatches of the personal identification numbers of the card 100 is counted on the terminal 200 side.
The number of mismatches is stored in the storage device, and the number of mismatches of the personal identification number is counted on the side of the electronic exchange 300. When the number of mismatches exceeds the specified number, a signal indicating that the number of mismatches exceeds the specified number is sent to the terminal 200, and the card Can be configured to erase the stored information.

FIG. 11 is a block diagram for explaining another embodiment (3) of the present invention. In this embodiment, when the number of mismatches of the personal identification number counted by the personal identification number non-matching counting unit 230A exceeds the specified number in the terminal 200, it is determined that the unauthorized use has occurred, and the electronic exchange 300 is notified of the unauthorized use. An unauthorized use occurrence recording unit 310A that includes a notification unit 230B and records the unauthorized access notification information in the electronic exchange 300.
And an unauthorized use occurrence notification unit 310C is provided.

In the present embodiment, the number-in-coincidence counting unit 230A counts the number of password mismatches, and when the number of mismatches exceeds the specified number, it is determined that an unauthorized use has occurred, and the unauthorized use notification unit 230B. By electronic switch 30
Notify 0.

The electronic exchange 30 which received the unauthorized use notification
0 records the occurrence of illegal use in the illegal use occurrence recording unit 310A, notifies the receiving subscriber corresponding to the personal identification number of the occurrence of illegal use, and prompts the personal identification number to be updated.

Although not shown in the drawing, the reason why the collect call service is rejected when a voice guidance generating unit is provided in the terminal 200 and the collect call service is rejected due to a mismatch of personal identification numbers and a violation of the usage restriction condition Can also be configured to notify the calling party.

[0053]

According to the present invention, the automatic collect call special number, the incoming call destination telephone number, and the unauthorized use restriction information are stored in the card, and the information is read out by the terminal and sent to the electronic exchange, so that it is fully automatic. Collect call connection can be performed, and the procedure of collect call connection can be simplified.

Furthermore, the number of times the personal identification number does not match, the period of use,
Storing unauthorized use prevention information such as the number of times of use in the card enables strict unauthorized use prevention.

[Brief description of drawings]

FIG. 1 is a block diagram illustrating the principle of the present invention.

FIG. 2 is a flowchart (1) of the embodiment of the present invention.

FIG. 3 is a flowchart (2) of the embodiment of the present invention.

FIG. 4 is a card issuing machine according to an embodiment of the present invention.

FIG. 5 is a flowchart (1) of the card issuing machine according to the embodiment of the present invention.

FIG. 6 is a flowchart (2) of the card issuing machine according to the embodiment of the present invention.

FIG. 7 is a flowchart (3) of the card issuing machine according to the embodiment of the present invention.

FIG. 8 is a diagram for explaining another embodiment (1) of the present invention.

FIG. 9 is a block diagram illustrating another embodiment (2) of the present invention.

FIG. 10 is a flowchart (3) of the embodiment of the present invention.

FIG. 11 is a block diagram illustrating another embodiment (3) of the present invention.

FIG. 12 is a diagram illustrating a collect call system (1) of a conventional example.

FIG. 13 is a diagram illustrating a collect call system (2) of a conventional example.

[Explanation of symbols]

 100 Portable Storage Medium 110 Service Request Information Area 120 Recipient Telephone Number Area 130 Unauthorized Use Prevention Information Area 140 Usage Period Designation Information Area 150 Usage Count Recording Area 160 Usage Restriction Count Area 200 Terminal 210 Media Information Reading Unit 220 Automatic Signal Sending Unit 230 PIN mismatch detection section 230A PIN mismatch counting section 230B Unauthorized use notification section 240 Media information erasing section 250 Calendar generation section 260 Usage count update section 270 Usage count comparison section 300, 300A, 300B Electronic exchange 310 Collect call registration section 310A Unauthorized use Occurrence recording unit 310B PIN code registration unit 310C Unauthorized use occurrence notification unit 320 Absent use prevention unit 330 Billing processing unit 340 Operator 350 Voice response device 400 Card issuer 410 Signal transmission unit 420 Permission signal reception Part 430 card issuing unit T, T1, T2 phone

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Tsuta Nakazawa 3-9-18 Shin-Yokohama, Kohoku Ward, Yokohama City, Kanagawa Prefecture Fujitsu Communication Systems Limited

Claims (8)

[Claims] 1. A collect call system using a portable storage medium, comprising a service request information area (110), a destination telephone number area (120), and an unauthorized use prevention information area (130). (100), a medium information reading unit (210) for reading information from the portable storage medium (100), and the medium information reading unit (210)
An automatic signal sending unit (220) for converting the stored information read in step 1 into a telephone number and sending it, a personal identification number mismatch detecting unit (230) for checking the validity of the input personal identification number,
When it is determined to be illegal use, the portable storage medium (10
0) a terminal (200) having a medium information erasing unit (240) for erasing stored information, a telephone (T) for receiving a collect call, and a collect call for registering a personal identification number corresponding to the telephone (T). The registration unit (310) and the collect call registration unit (3
Unauthorized use prevention unit (32) that checks the personal identification number corresponding to the telephone set (T) registered in 10) and prevents unauthorized use.
0) and the telephone (T) registered in the collect call registration unit (310), the electronic exchange (equipped with a charging processing unit (330) for charging the telephone charge to the telephone (T). The collect call system is characterized in that it is configured by 300). 2. A card issuing machine (400) for issuing the portable storage medium (100), wherein an issuance request signal for requesting the issuance of the portable storage medium (100), a telephone number of a called party, and an unauthorized use. A signal issuing unit (410) that sends a prevention signal, and a card issuing that sends when the electronic exchange (300) that has received the issuance request signal, the destination telephone number, and the personal identification number determines that the card issuing conditions are satisfied. A permission signal receiving unit (420) for receiving the permission signal; and a card issuing unit (430) for issuing the portable storage medium (100) when the permission signal receiving unit (420) receives the card issuance permission signal. A card issuing machine characterized by having. 3. The collect call system according to claim 1, wherein the portable machine medium (100) is provided with a usage period designation information area (140), and the terminal (200) is provided with a calendar generation unit (250). From the terminal (200) to the portable storage medium (10
0) is used to make a collect call, the date and time generated by the calendar generation unit (250) indicates the use period designation information area (140) of the portable storage medium (100).
The collect call system according to claim 1, wherein a collect call is made when it is confirmed that it is within the usage period designated by. 4. The collect call system according to claim 1, wherein the use frequency recording area (1) is provided in the portable machine medium (100).
50) and a usage-restricted number area (160) are provided, and a usage-number updating unit (160) for updating the usage number in the usage-number recording area (150) in response to a response from the electronic exchange (300) in the terminal (200). 260) and a usage count comparison unit (270) for comparing the usage count of the usage count recording area (150) with the usage restriction count specified in the usage restriction count area (160), and the terminal (200) From the portable storage medium (10
0) is used to make a collect call, after confirming that the number of times of use of the number-of-uses counting area (150) is within the number of times of use limit specified in the number-of-uses limit area (160) The collect call system according to claim 1, wherein 5. The electronic exchange (300) according to claim 1, wherein the collect call registration unit (310) registers a plurality of passwords corresponding to a callee telephone number, and a usage restriction is made for each password. The collect call system according to claim 1, wherein information is designated and registered. 6. The terminal (200) according to claim 1, wherein the personal identification number mismatch detecting unit (230) counts the number of times the personal identification number mismatch is detected.
30A) is provided, and when the number of mismatches of the personal identification number counted by the personal identification number mismatch counting unit (230A) is within a specified number, a collect call rejection sound is transmitted, and when the number of mismatches of the personal identification number is the specified number or more, 2. The collect call system according to claim 1, wherein the medium information erasing unit (240) erases the storage of the portable storage medium (100). 7. The collect call system according to claim 1, wherein the personal identification number mismatch counting unit (2) is provided in the terminal (200).
30A), when the number of mismatches of the personal identification number exceeds the specified number, the electronic switch (300) determines that the specified number of times is exceeded.
An unauthorized use notification unit (230B) for notifying the unauthorized exchange occurrence recording unit (300B) of the unauthorized use occurrence recording unit that accumulates the specified number of excess notifications for each personal identification number registered in the collect call registration unit (310). 310A)
And an illegal use occurrence notifying unit (310C) for notifying the called subscriber corresponding to the personal identification number of the illegal use when the illegal use information storage unit (310A) stores the predetermined number of excess notifications. The electronic exchange (300) notifies the called subscriber corresponding to the personal identification number that the illegal use has occurred, when the personal identification number does not match the predetermined number of times. Collect call system described. 8. The collect call system according to claim 1, wherein the terminal (200) is provided with a voice guidance generation unit, and when the collect call service is rejected due to a mismatch of a personal identification number or a violation of a use restriction condition, the collect call service is rejected. The collect call system according to claim 1, wherein the reason for notification is notified.