JPH11308346A - Communication terminal and exchange - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a numbering plan to be flexibly applied to the communication terminal where abbreviation number is available and to the exchange containing the communication terminals. SOLUTION: The exchange is provided with an abbreviation address storage means 11 that stores addresses individually assigned to terminals to be called destination and applicable to a network numbering plan and abbreviation addresses being identifiers of the addresses, a network interface means 12 that makes dialing with an address corresponding to a designated abbreviation address among the addresses and conducts either or both of transmission and reception of transmission information according to a setup procedure, an address update request means 13 that sends a stream of the addresses registered in the abbreviation address storage means 11 to the network based on the signal system and the setup procedure, and an address update means 14 that receives the address stream distributed via the network and registers addresses in the address stream to the abbreviation address storage means 11 in a form suitable for the abbreviation address storage means 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal device having a memory for storing dialed numbers corresponding to abbreviated numbers and used for telephone or data communication, and a subscriber line or extension. And a switch for performing call processing of a call generated in the communication terminal device via the communication terminal device.

[0002]

2. Description of the Related Art In recent years, communication terminal devices used for telephone and data communication use advanced digital transmission technology and information processing technology under competition among a plurality of manufacturers, and have realized a reduction in cost and cost. Miniaturization is being pursued. In addition, the number of public network subscribers is increasing in response to the diversification of communication services provided under competition among a plurality of communication carriers.

[0003] Therefore, in particular, in a city where the total number of dial numbers including the area code is less than "10" or the number of digits of the area code other than the area code is "2" or less, all the subscribers are required. For the purpose of ensuring an environment in which communication services are surely provided, the numbering plan for increasing the number of digits of dialed numbers is being changed. Furthermore, dial numbers assigned based on such a numbering plan have recently been used for identification of communication forms and service types adapted to the provision of data communication services and other various services. There is a growing demand for review and adaptation of the numbering plan set mainly for the purpose of specifying the destination terminal (subscriber line).

FIG. 14 is a diagram showing a configuration example of a conventional public telephone network including a subscriber line exchange. In the figure, a plurality of subscriber lines 91-1 to 91-M are accommodated in a subscriber line exchange 90, and among the subscriber lines 91-1 to 91-M, a terminal is provided in the subscriber line 91-1. 92 are connected. Subscriber line exchange 90
Is a network service control station (NSP) (hereinafter simply referred to as "NSP") via a common line signaling link 93.
It is connected to a relay switch 94 (not shown) via an interoffice transmission line 95.

[0005] In the subscriber line exchange 90, a subscriber line 91-1 is provided.
91-M are connected to corresponding ports of a communication path switch 97 via a concentrator 96, and the communication path switch 97 is connected to a service trunk 98-1 to a service trunk 98-1.
98-m and registers 99-1 to 99-n are connected. The communication port of the call switch 97 is connected to a first communication port of the processor 100, and a common signal link 93 is connected to the second communication port of the processor 100.
The concentrator 96, the service trunks 98-1 to 98-m and the registers 99-1 to 99-n form a communication link 97A formed in the speech path switch 97 under the control of the processor 100.
Is connected to the processor 100.

In the terminal 92, the common contact of the switch 101 is connected to the subscriber line 91-1 and the make contact of the switch 101 is connected to the common contact of the switch 103 via the diode bridge 102. The break contact of the switch 103 is connected to the sounder 1 via the tone ringer circuit 104.
The make contact of the switch 103 is connected to the first terminal of the resistor bridge 106 and the input of the power supply circuit 107. The output of the power supply circuit is connected to a power supply line (not shown) for supplying drive power to each part of the terminal 92. A receiver 109 is connected to a second terminal of the resistance bridge 106 via an amplifier 108. An output of a transmitter 110 housed in a handset (not shown) together with the receiver 109 is connected to one input of an amplifier 112 via an amplifier 111. Connected to. The other input of the amplifier 112 is connected to the output of a keypad 113A provided on the operation display unit 113 via a DTMF oscillation circuit 114, and the output of the amplifier 112 is connected to the third terminal of the resistance bridge 106. . Switches 101, 103, D
A corresponding input / output port of a processor (CPU) 115 is connected to control terminals of the TMF oscillation circuit 114 and the amplifiers 108 and 111 and an input / output terminal of the operation display unit 113.

[0007] In the conventional example having such a configuration, the processor 115 provided in the terminal 92 includes a dial number corresponding to the abbreviated number designated by the operator via the operation display unit 113 including the keypad 113A. The combination with the number is fetched and, for example, as shown in FIG. 15, the combination is registered in the abbreviated number table 120 arranged in a specific storage area of the main memory (not shown).

[0008] The processor 115 receives an instruction to make a call from the operator via the operation display unit 113, and the number given via the keypad 113A is included in the abbreviated number (for example, "#OO"). 2 digit number "○
○ ”), the dial number“ xxxxxxxxxxxx ”corresponding to the abbreviation number“ xx ”among the dial numbers registered in the abbreviation number table 120 should be applied. The transmission process is performed by

[0009] In the course of such transmission processing, the processor 115 (1) forms a DC loop in the two-wire subscriber line 91-1 by appropriately opening and closing the contacts of the switch 101, and (2) For the DTMF oscillation circuit 114, the dial number “xxxxxxxxxxxxxxx” described above is used.
DTMF signal, which is a register signal, is transmitted to the subscriber line 91-1 by giving a control signal corresponding to each digit of (3). That the person (the called terminal) responded (for example,
When the concentrator 96 recognizes that the DC voltage applied to the subscriber line 91-1 has been inverted, the amplifier 10
By setting the switches 8 and 111 to the operating state, these switches 108 (111, 112) and the resistance bridge 106 for performing 2-wire to 4-wire conversion together with the switch 103 (,
Via the diode bridge 102) and the switch 101, a state (communication state) where transmission and reception of a communication signal (bidirectional electro-acoustic conversion is performed by the receiver 109 and the transmitter 110) is ensured. 4) Operation display 1
13, a call termination request is given via the subscriber line 91-1 or a call setup procedure adapted to the signaling system of the subscriber line 91-1. Processing to complete the end call based on.

On the other hand, in the subscriber line exchange 90, when the concentrator 96 recognizes the call originating on the subscriber line 91-1 by the terminal 92 transmitting the call as described above, the communication link already described. The fact is notified to the processor 100 via 97A. The processor 100 cooperates with the concentrator 96 via the communication link 97A based on a predetermined call processing procedure, and performs the above-mentioned dial number “XXXXXX” in the process of the call processing for the corresponding call. Xx
Prior to the period when "xxx" is given via the subscriber line 91-1, a vacant register (hereinafter, referred to as an "applied register") among the registers 99-1 to 99-n is captured.

Further, the processor 100 takes the initiative in controlling the communication path switch 97 so that the communication path (hereinafter referred to as “register signal”) can be provided between the above-described application register and the concentrator 96 (subscriber line 91-1). Called "communication path"). The applicable register is transmitted from the terminal 92 to the subscriber line 91-.
1, by receiving and decoding the DTMF signal provided via the line concentrator 96 and such a register signal communication path, the above-mentioned dial number "XXXXXX"
Xxxxxx "and obtains the dialed number" xxxxxx "from the processor 100 via the communication link 97A.
XXXXXX ".

When the dial number "xxxxxxxxxxxx" is given, the processor 100 captures the applicable register and cancels the above-mentioned register signal communication path.
In addition, based on a predetermined number plan (stored in advance in an external storage device (not shown) as station information), the dial number “xxxxxxxxxxxx” is analyzed, and the number corresponding to the destination is determined. An outgoing route (any of the interoffice transmission line 95 or the subscriber lines 91-2 to 91-M) is selected.

The procedure of the call processing performed by the processor 100 after selecting the outgoing route in this way and the operation of each unit of the local exchange 90 adapted to the procedure are described below.
Since it is not related to the present invention, the description is omitted here. As described above, the terminal 92 uses the keypad 11 when making a call.
When the abbreviated number is given via 3A, the dial number stored in the main memory of the processor 115 in advance in association with the abbreviated number is automatically applied, so that the operability is improved, and A call with the desired destination indicated by the dial number can be made under the call processing performed by the local exchange 90.

The tone ringer circuit 104 and the sounder 105 provided in the terminal 92 receive a ringing signal given from the subscriber line exchange 90 (concentrator 96) via the subscriber line 91-1 at the time of an incoming call. , And operates as a means for performing an electro-acoustic conversion of the call signal. However, since it does not relate to the present invention, detailed description thereof will be omitted.

The service trunks 98-1 to 98-m provided in the subscriber line exchange 90 are connected to the subscriber line 91 via a communication path formed in a communication path switch 97 under the control of the processor 100. -1 to 91-M or inter-station transmission path 95
, A dial tone, a ringback tone, and other service tones are appropriately transmitted. However, since the present invention is not related to the present invention, the description thereof is omitted.

In addition, the NSP 94 responds to inquiries given by the processor 100 via the common channel signaling link 93 when, for example, the provision of toll free services, dial Q ² services, or other advanced services is required during the course of call processing. It has a function of appropriately providing information such as a connection destination number, a call processing procedure, and a billing method to the processor 100 via the common line signal link 93. Among such advanced services, the service according to the present invention is provided. Since well-known various techniques can be applied to functions adapted to other than the above, description thereof will be omitted here.

[0017]

By the way, in the above-mentioned conventional example, when the number plan is changed, (a) the individual dial numbers registered in the abbreviated number table 120 change the number plan. (B) It is possible for the operator of the terminal 92 to perform a predetermined operation to correct or reset the dial number for which the result of the determination is true. Required.

However, such correction or resetting of the dial number is performed under the restrictions of the number of key switches including the keypad 113A provided on the operation display unit 113, the number of digits of the display, the arrangement of the segments, and other restrictions. In this case, an error is likely to occur, which may cause frequent connection errors and incomplete calls. In addition, when such erroneous connection or incomplete call frequently occurs at the peak time, it may cause unnecessary congestion or acceleration, and thus the quality of service may be degraded.

It is an object of the present invention to provide a communication terminal apparatus and an exchange which flexibly adapts to a change in a number plan and updates a dial number corresponding to a shortened number with high accuracy.

[0020]

FIG. 1 is a block diagram showing the principle of the first aspect of the present invention.

According to the first aspect of the present invention, an address individually assigned to one or a plurality of terminals that can be called destinations and adapted to a network numbering plan, and a shortened address which is an identifier of these addresses is used. A call setup adapted to the network by making an outgoing call by applying the address corresponding to the designated abbreviated address among the abbreviated address storage means 11 registered in advance and the addresses registered in the abbreviated address storage means 11 Network interface means 1 for transmitting and / or receiving transmission information based on the procedure of
Address update requesting means for transmitting, as transmission information, a sequence of addresses registered in the abbreviated address storage means 11 to the network based on a signaling method and a call setting procedure adapted to the network in the communication terminal comprising 13 and a sequence of addresses distributed via a network based on the signaling system and the procedure for call setting, and stores the addresses contained in the sequence of addresses in a form adapted to the short address storage means 11. And an address updating means for registering in the means.

FIG. 2 is a block diagram showing the principle of the present invention. According to a second aspect of the present invention, addresses individually assigned to one or a plurality of terminals that can be destinations and adapted to a network numbering plan are associated with shortened addresses that are identifiers of these addresses. The abbreviated address storage means 11 registered in advance and the address corresponding to the designated abbreviated address among the addresses registered in the abbreviated address storage means 11 are applied to make a call, and the call setting procedure adapted to the network is performed. In a communication terminal having network interface means 12 for transmitting and / or receiving transmission information based on the network, distribution is performed via the network based on a signaling method and a call setting procedure adapted to the network. And the control information indicating the mode of change of the numbering plan of the network is taken in, and the address registered in the short address storage means 11 is indicated by the control information. Characterized by comprising an address updating means 21 for updating in line with changes in form.

FIG. 3 is a block diagram showing the principle of the invention according to the third, fifth and seventh to ninth aspects. The invention according to claim 3 is
A communication unit that accommodates the communication terminal device according to claim 1 and provides a communication service to the communication terminal device based on a call setting procedure adapted to a numbering plan, and performs communication based on the call setting procedure. Existing address acquisition means 33 for taking in an address given from the terminal device 31, updating the address taken in by the existing address acquisition means 33 based on the form of changing the numbering plan, and using the updated address as a call setting procedure And an update address distribution means 34 for distributing to the communication terminal device 31 based on the

FIG. 4 is a block diagram showing the principle of the invention according to claims 4 and 6 to 9. According to a fourth aspect of the present invention, there is provided an exchange means for accommodating the communication terminal device according to the second aspect and providing the communication terminal device with a communication service based on a call setting procedure adapted to a numbering plan. And distribution means 43 for distributing control information indicating a mode of changing the numbering plan to the communication terminal device 41 based on a call setting procedure.

According to a fifth aspect of the present invention, in the exchange according to the third aspect, the exchange means 32 comprises:
For a service in which the address registered in the abbreviated address storage means 11 provided for the service matches the numbering plan, a service order indicating a communication terminal device to be provided is provided as station information 32A, and the update address The distribution means 34 is characterized in that the exchange means 32 has means for limiting the distribution destination of the updated address to the communication terminal device having the service order as the station information 32A.

According to a sixth aspect of the present invention, in the exchange of the fourth aspect, the exchange means 42 comprises a communication terminal 41
For a service in which the address registered in the abbreviated address storage means 11 provided for the service is compatible with the numbering plan, a service order indicating a communication terminal device to be provided is provided as station information 42A, and the distribution means Reference numeral 43 denotes a communication terminal device in which the exchange unit 42 has a service order as the station information 42A, including a unit for limiting a distribution destination of control information indicating a mode of changing the numbering plan.

According to a seventh aspect of the present invention, in the exchange according to any one of the third to sixth aspects, a message indicating that the address indicating the destination of the generated call does not conform to the numbering plan is provided. A switching means 32, 42 is provided for generating the announce means 51, the switching means 32, 42 being able to originate a call which has occurred when the address does not match the numbering plan and matches the old numbering plan applied prior to the numbering plan. The message generated by the announcement means 51 is transmitted.

According to an eighth aspect of the present invention, in the exchange according to the seventh aspect, the announcement means 51 determines whether or not the address registered in advance in the communication terminal device that is the originator of the generated call matches the numbering plan. For the provision of a service to be released, a message including both or one of a required procedure and an operation to be performed via the communication terminal device is generated, and the exchange means 32 and 42 transmit the generated call. It is characterized in that call setting is performed in a procedure that is actually performed via the original communication terminal device and that is adapted to the operation indicated by the message generated by the announcement means 51.

According to a ninth aspect of the present invention, in the exchange according to the seventh aspect, the exchange means 32, 42 is arranged such that, among the generated calls, the address indicating the destination does not match the numbering plan, and For a call that matches the old numbering plan applied prior to the plan, there is provided a means for setting up a call based on the old numbering plan. In the communication terminal device according to the first aspect of the present invention, the network interface means 12 applies the address corresponding to the designated shortened address among the addresses registered in the shortened address storage means 11, and transmits the address. The transmission information transmission and / or reception is performed based on the call setup procedure adapted to the network. The address update requesting means 13 sends a string of addresses registered in the short address storing means 11 to the network as transmission information based on the signaling method and call setting procedure adapted to the network described above. Address updating means 14
Captures a column of addresses distributed via a network based on these signaling methods and call setting procedures, and stores the addresses contained in the column of addresses in the shortened address storage unit 11.
Is registered in the shortened address storage means 11 in a model adapted to the above.

That is, addresses which are individually assigned to one or a plurality of terminals which can adapt to the network numbering plan and can be called, and which are registered in the short address storage means 11 in association with the short addresses respectively. Is automatically updated in response to a change in the numbering plan, so compared to the conventional example where such address updating was performed manually, incorrect connection or incomplete after the numbering plan was changed The situation in which calls are generated unnecessarily is avoided with high accuracy.

In the communication terminal device according to the second aspect of the present invention, the network interface means 12 applies the address corresponding to the designated shortened address among the addresses registered in the shortened address storage means 11 to make a call. Then, transmission information transmission and / or reception is performed based on a call setting procedure adapted to the network. The address updating means 21 receives control information which is distributed via the network based on a signaling method and a call setting procedure adapted to the network and indicates a mode of change of the numbering plan of the network, and stores the shortened address. The address registered in the storage means 11 is updated in accordance with the form of change indicated by the control information.

That is, when the above-mentioned control information is provided via the network, the addresses registered in the short address storage means 11 are updated independently according to the change of the numbering plan. Even when the information amount of the address registered in the means 11 is large, efficient adaptation to the numbering plan can be achieved while suppressing an increase in network traffic as compared with the communication terminal device according to claim 1. It is.

[0033] In the exchange according to the third aspect of the invention, the exchange means 32 is accommodated in its own station, and for the communication terminal apparatus 31 according to the first aspect, a call setup adapted to the numbering plan. The communication service is provided based on the above procedure. Further, the existing address acquisition means 33 fetches the addresses given from the communication terminal device 31 based on the above-described call setting procedure, and the update address distribution means 34 converts these addresses based on the form of changing the number plan. At the same time as updating, each updated address is delivered to the communication terminal device 31 based on the same call setting procedure.

That is, the terminal is accommodated in its own station, and
For the addresses registered in the shortened address storage means 11 provided in the communication terminal device 31 described in (1), updating according to the change in the numbering plan is achieved by reliably cooperating with the communication terminal 31. The distribution of network traffic is stably maintained without a drop in the completed call rate and unnecessary congestion due to the change in the numbering plan.

In the exchange according to the fourth aspect of the present invention, the exchange means is accommodated in its own station, and a call setup adapted to the numbering plan for the communication terminal apparatus 41 according to the second aspect. The communication service is provided based on the above procedure. Further, the distribution means 43 transmits control information indicating the mode of change of the numbering plan to the communication terminal device 41 based on the call setting procedure.
Deliver to.

That is, it is accommodated in its own station, and
As for the address registered in the shortened address storage means 11 provided in the communication terminal device 41 described in the above, the update according to the change of the number plan is achieved by reliably cooperating with the communication terminal 41, Faster adaptation to changes in the numbering plan is possible compared to the exchange described in Item 2, and the traffic distribution in the network is more stable without lowering the completed call rate and causing unnecessary use of congestion due to the change in the numbering plan. Is maintained.

According to a fifth aspect of the present invention, there is provided an exchange according to the third aspect, wherein
For a service in which the address registered in the shortened address storage means 11 provided in the communication terminal device 31 matches the numbering plan, a service order indicating the communication terminal device to which the service is provided is assigned. Station information 3
2A. Also, the update address distribution means 34
The exchange destination of the updated address is limited to the communication terminal device having the service order described above by the exchange means 32.

That is, since the above-mentioned service is provided only to a desired communication terminal device among the communication terminal devices accommodated in the own station, operation and maintenance flexibly adapted to a desired charge system and service standard can be performed. It becomes possible. In the exchange according to the sixth aspect of the present invention, in the exchange according to the fourth aspect, the exchange means 42 stores the address and the number plan registered in the shortened address storage means 11 provided in the communication terminal device 41. For the service to be matched, a service order indicating a communication terminal device to be provided with the service is provided as station information 42A. In addition, the distribution unit 43 limits the distribution destination of the control information indicating the form of the change of the numbering plan to the communication terminal device in which the exchange unit 42 has the service order described above.

That is, among the communication terminal devices accommodated in the own station, only the desired communication terminal device is provided with the above-described service, and in the process of providing the service, the corresponding communication terminal device is provided. The address registered in the shortened address storage means 11 is not transmitted, and the above-described control information is transmitted as information to be changed.

Therefore, as compared with the exchange according to the fifth aspect, adaptation to the change of the numbering plan is efficiently achieved, and operation and maintenance can be flexibly adapted to a desired fee system and service standard. . In the exchange according to the seventh aspect of the present invention, in the exchange according to any one of the third to sixth aspects, the announcement means 51 comprises:
A message is generated indicating that the address indicating the destination of the generated call does not conform to the numbering plan.

When the above-mentioned address does not match the numbering plan and matches the old numbering plan applied prior to the numbering plan, the exchange means 32, 42 sends the corresponding call source. The message generated by the announcement means 51 is transmitted. That is, of the terminals accommodated in the own station, the terminal corresponding to the source of the call to which the address consistent with the old numbering plan is applied, and the operator of the terminal,
Since it is notified that the numbering plan has been changed, retrying outgoing calls where addresses consistent with the old numbering plan have been applied repeatedly needlessly are reliably avoided.

In the exchange according to the eighth aspect of the present invention, in the exchange according to the seventh aspect, the announcement means 51 includes an address, a number plan, and an address registered in advance in the communication terminal device that is the originator of the generated call. A message is generated that includes a required procedure and / or an operation to be performed via the communication terminal device for the provision of a service that matches the above.

The switching means 32, 42 are actually performed via the communication terminal device which is the origin of the generated call and adapted to the operation indicated by the message generated by the announcement means 51 as described above. Set up the call according to the procedure. That is, since the procedures necessary for receiving the above-mentioned service and the operation of the communication terminal device are accurately transmitted to the operator of the communication terminal device, quick adaptation to a change in the numbering plan can be made quickly for each communication terminal device. You will be prompted.

According to a ninth aspect of the present invention, in the exchange of the seventh aspect, the exchange means 32,
42 applies the old numbering plan to a call that has occurred and whose destination address does not match the numbering plan and matches the old numbering plan that was applied prior to the numbering plan. To set up the call. That is,
For calls to which addresses that do not cause misconnections under the latest numbering plan are applied, communication services will be provided by analyzing the numbers under the old numbering plan. As long as the application is performed with high accuracy or prompted, the convenience of the communication terminal device is enhanced.

[0045]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG.
FIG. 3 is a diagram showing an embodiment corresponding to the invention described in FIG. In the figure, components having the same functions and configurations as those shown in FIG. 14 are denoted by the same reference numerals, and description thereof is omitted here.

The difference between the present embodiment and the conventional example shown in FIG. 14 is that a network service control station (NSP) (hereinafter, referred to as “NSP”) 80 is provided instead of the NSP 94, A subscriber line exchange 81 is provided in place of the local exchange 90, and a terminal 82 is provided in place of the terminal 92.

The difference between the construction of the local exchange 81 and the construction of the local exchange 90 is that a processor 100A is provided in place of the processor 100. Furthermore, the difference between the terminal 82 and the terminal 92 is that
5, a processor 115A is provided, and the demodulation input of the modem 83 is connected to the second terminal of the resistor bridge 106 in accordance with the input of the amplifier 108.
The modulation output and the control input / output of the
Of the processor 115A and the corresponding input / output port of the processor 115A.

The correspondence between the present embodiment and the block diagrams shown in FIGS. 1 to 4 is as follows. A short number table 120 described later corresponds to the short address storage means 11, and the processor 115A, the amplified signals 108, 111, 112, DT
MF oscillation circuit 114, resistance bridge 106, switch 1
01, 103, the diode unit bridge 102, the tone ringer circuit 104, and the sounder 105 correspond to the network interface unit 12, the processor 115A and the modem 83 correspond to the address update request unit 13 and the address update units 14, 21, and the terminal 82 communicates. Terminal device 31,
41, the concentrator 96, the communication path switch 97 and the processor 100A correspond to the exchange means 32 and 42,
The subscriber information described later corresponds to the station information 32A, 42A,
The processor 100A, the communication path switch 97, the service trunks 98-1 to 98-m and the concentrator 96 correspond to the existing address acquisition unit 33, the updated address distribution unit 34 and the distribution unit 43, and the service trunks 98-1 to 98-m Corresponds to the announcement means 51.

FIG. 6 is a diagram for explaining the operation of this embodiment according to the first to ninth aspects of the present invention. FIG. 7 is an operation flowchart of the local exchange according to the first embodiment of the present invention. FIG.
It is an operation | movement flowchart of the terminal corresponding to the invention of Claim 1-9 in this embodiment.

The operation of this embodiment according to the present invention will be described below with reference to FIGS. 5 to 8 and FIG. This embodiment is characterized in that the NSP 80, the subscriber line switch 81 and the terminal 82 are adapted to the change of the numbering plan.
Is in the procedure of the following processing performed in cooperation with
Terminal 82 when an outgoing call or an incoming call occurs
The operation of each section of the subscriber line exchange 81 is the same as that of the conventional example, and therefore, the description thereof is omitted below.

In the terminal 82, when the operator issues a special number and a call originating instruction via the operation display unit 113 after the changed numbering plan actually starts to be applied, the processor 115A changes the special number to a dial number. 6 (1), FIG. 8 (1)), and shifts to a "standby state" in which a response from the subscriber line switch 81 is waited for based on the call setting procedure (FIG. 8 (1)). 2)).

On the other hand, in the local exchange 81, the processor 100A acquires the above-mentioned special number in the same manner as in the conventional example (FIG. 6 (2), FIG. 7 (1)), and analyzes the special number (FIG. 7). (2))
As a result, when it is recognized that the following service adapted to the change of the numbering plan should be provided, the subscriber line 91 is controlled by controlling the concentrator 96 via the communication link 97A.
-1 response signal (here, for the sake of simplicity, it is assumed that the frequency is configured as a combination of audio frequency signals different from any of the aforementioned DTMF signals)
To the subscriber line 91-1 (FIG. 6 (3), FIG. 7 (3)).

At the terminal 82, a switch 101, a diode bridge 102, a switch 103, a resistor bridge 10
6 and the modem 83, the system reads all the information (single or plural pairs of abbreviated numbers and dialed numbers) registered in advance in the abbreviated number table 120 and, for example, 9 (a) (FIG. 6 (4), FIG. 8 (3)), and individual elements (for example, individual digits forming abbreviated numbers and dial numbers) included in the information. ) Are sequentially given to the modem 83.

The modem 83 generates an audio signal sequence (hereinafter, referred to as an "upload signal") in which part or all of the frequency, amplitude, and phase change in response to the elements provided in this manner. These upload signals are transmitted to the subscriber line 91-1 in the same manner as the DTMF signal described above (FIGS. 6 (5) and 8 (4)). In addition, the subscriber line exchange 81
Then, the processor 100A stores the registers 99-1 to 99-n
Vacant registers (hereinafter, “specific registers”)
That. (FIG. 6 (6), FIG. 7 (4)), and the above-described DTM via the communication path formed in the communication path switch 97.
The upload signal is received in the same manner as the F signal, and the information indicated by the upload signal is restored (FIGS. 6 (7) and 7 (5)).

Further, the processor 100A replaces the dial number included in the information restored in this way with the dial plan described above with a dial number adapted to the changed dial plan (hereinafter referred to as dial number). , "Updated dial number") (FIG. 7 (6)), thereby generating a "download signal" in which the correspondence relationship with the abbreviated number and the model are maintained in the same manner as the upload signal, and the communication link. The download signal is given to a specific register via 97A.

The specific register transmits this download signal to the subscriber line 91-1 via the communication path and the line concentrator 96 described above (FIGS. 6 (8) and 7 (7)). Upon completion, a notice to that effect is given to the processor 100A via the communication link 97A. Upon receiving the notification, the processor 100A performs the termination process of the corresponding special number call based on the procedure of the call process (FIGS. 6 (9) and 7 (8)). It should be noted that such an end call process is not related to the present invention, and thus the description thereof is omitted here.

In the terminal 82, the modem 83 is connected to the switch 1
01, the diode bridge 102, the switch 103, and the resistor bridge 106 capture and demodulate the above-described download signal to restore a row of information indicating a combination of the abbreviated number and the updated dial number (FIG. 6 (10)). FIG. 8 (5)).

The processor 115A updates records corresponding to the abbreviated numbers included in the individual combinations indicated by the information columns among the records of the abbreviated number table 120 (FIGS. 6 (11) and 8 (6)). ). As described above, according to the present embodiment, the abbreviated number table 120
Of the dial numbers registered in the telephone number, the dial number for which the number plan is to be changed is automatically updated to an updated dial number adapted to the station information of the local exchange 81. The occurrence of unnecessary misconnections and incomplete calls immediately after the change is efficiently avoided, and the quality of service for individual subscribers is maintained high.

In this embodiment, it is determined whether or not each dial number given as an upload signal is subject to a change in the number plan, and conversion to an updated dial number adapted to the change in the number plan. Is performed by the processor 100A, but when information serving as a reference for the determination is centrally managed by the NSP 80, as shown by a dotted line in FIG. Regarding the process of generating a download signal (or a sequence of information to be transmitted as the download signal) adapted to the (or a sequence of information indicated by the upload signal), the processor 100A opposed via the common line signal link 93 And NSP8
It may be performed under any function distribution or load distribution based on the linkage with 0.

In this embodiment, the dial number given as a download signal to terminal 82 via subscriber line 91-1 is the same as the dial number given to subscriber line exchange 81 as the upload signal described above. Of these, only the updated dial numbers changed based on the change in the numbering plan. However, if an increase in the load on the processors 100A and 115A and the required transmission time of the upload signal and the download signal transmitted / received via the subscriber line 91-1 is permitted, such an updated dial number is applicable. A dial number not to be used may be returned as a download signal.

Further, in this embodiment, as shown in FIG. 9 (a), information transmitted and received as an upload signal and a download signal is configured as a sequence of combinations of abbreviated numbers and dial numbers. If the individual dial numbers can be reliably identified in the private line exchange 81 or the NSP 80 and the updated dial numbers can be reliably identified in the terminal 82, the type of such information is shown in, for example, FIG. As described above, it may be a model composed of a column of only dial numbers (including an updated dial number) or any other model.

In the present embodiment, the processor 100
A generates an updated dial number by itself or in cooperation with the NSP 80, and sends the updated dial number to the terminal 82 as a download signal.
<1> Regarding control information indicating an algorithm of a process of changing a dial number in accordance with a change in a numbering plan, a distribution request is transmitted from a terminal 82 to a subscriber line 91 as an upload signal.
-1 and <2> the control information is transmitted as a download signal from the subscriber line exchange 81 to the subscriber line 91-1 and <3> the processor 11 provided in the terminal 82.
5A determines the necessity of updating based on the control information of each dial number registered in the abbreviated number table 120, and appropriately performs the updating process, thereby shortening the hold time of the subscriber line 91-1. , These local exchanges 8
Load distribution and function distribution between the terminal 1 and the terminal 82 may be achieved.

For the control information described above, for example, when “6” is to be added to the third digit as shown in FIG. 10, as shown in FIG. 9 (c) and FIG. The “number of discrimination digits” (= 3) indicating the third digit, “N” (= 8) indicating the number of “discrimination numbers” to be described later, and a column of numbers to be updated “discrimination number 1” (= 0062) )-"Discrimination number N"
(= 069), "change type" indicating the mode of update, "change number" (= 3) indicating the digit to be added, and "additional number" (= 6) indicating the number to be added. You.

Further, in the present embodiment, the timing at which the terminal 82 transmits the above-mentioned upload signal and the timing at which the subscriber line exchange 81 transmits the download signal are the outgoing call of the outgoing call to which the above-described special number is applied. It is determined on the basis of the processing procedure. These triggers are as follows:-Call processing of a call caused by the terminal 82 specifying and dialing such a dial number other than the special number;-Joining with the terminal 82 A terminal (not shown) provided for maintenance or operation of the local exchange 81, an operation performed by an operator,
In particular, the timing at which the download signal is transmitted may be determined in response to the re-transmission of the terminal 82 or the callback performed by the local exchange 81 to the terminal 82. May be given based on the call processing procedure of the call to be made.

Further, in this embodiment, the upload signal and the download signal are distributed in the band of the call signal and are transmitted and received as audio signals adapted to a predetermined modulation / demodulation method. If it is consistent with the system and call setup procedure, it is transmitted and received as a register signal (for example, a DTMF signal adapted to an analog telephone network, an INFO signal adapted to ISDN) and / or a line (signaling) signal. You may.

FIG. 12 shows a fifth embodiment of the present invention.
7 is an operation flowchart of an NSP corresponding to the invention described in FIG. Hereinafter, the operation of the present embodiment corresponding to the invention described in claims 5 and 6 will be described with reference to FIGS. In the local exchange 81, the processor 100A
Indicates, for each terminal (subscriber) accommodated via the subscriber lines 91-1 to 91-M, as shown by hatching in FIG. The number table (for the terminal 82, as shown in FIG.
20 ". ) Is automatically updated (hereinafter referred to as “update service”). The service order includes a service order that indicates whether the service is to be provided and has subscriber data provided as station data.

When the application of the new numbering plan is started, the NSP 80 is applied to the above-described generation processing of the changed dial number based on the difference from the numbering plan previously applied. A "number plan change notification" indicating the control information to be generated is generated, and the "number plan change notification" is transmitted to the subscriber line exchange 81 via the common line signal link 93 (FIG. 6 (a), FIG. 12 (1)).

In the local exchange 81, the processor 10
0A is an individual subscriber line (hereinafter, referred to as “subscriber line”) in which the above-mentioned “update service” is to be provided in the above-mentioned subscriber data among subscriber lines 91-1 to 91-M. For simplicity, only terminal 82 will be described.)
Is called via the communication link 97A and the concentrator 96 (FIGS. 6 (b) and 7 (a)), and when the terminal 82 responds, in the embodiment corresponding to the invention described in claims 1 to 4,
The same process (FIGS. 7 (4) to (8)) is performed as after the call generated by the terminal 82 is a completed call.

In the process of calling the terminal 82 in this way, the terminal 8 is connected to the subscriber line 91-1.
Assume that a particular ringing signal (e.g., a frequency higher than the standard 16.6 hertz) that does not ring at 2 is transmitted by the concentrator 96. On the other hand, in the terminal 82, the processor 115A responds when identifying the specific ringing signal, and transmits an upload signal in the same manner as in the embodiment according to the first to fourth aspects of the present invention (see FIG. )-(6)).

As described above, according to the present embodiment, the subscriber line 9
Among the terminals accommodated through 1-1 to 91-M, only the terminal registered in advance in the subscriber data is provided with the above-described update service, so the update service is provided for a fee, Alternatively, it is possible to flexibly adapt to a service system and a fee system provided in combination with a desired service class.

Hereinafter, the operation of this embodiment according to the present invention will be described with reference to FIGS. 5 to 8 and FIG. The feature of this embodiment lies in the following call processing procedure performed by the local exchange 81 for an outgoing call of the terminal 82. The processor 100A has the latest numbering plan (hereinafter, referred to as the numbering plan).
It is called "New Numbering Plan." ), Along with a number analysis table to be subjected to a number analysis (hereinafter, referred to as a “new number analysis table”), and a numbering plan applied before the numbering plan (hereinafter, an “old numbering plan”). ")
Has a number analysis table (hereinafter, referred to as an "old number analysis table") to be subjected to a number analysis adapted to the above as station information.

Further, among the service trunks 98-1 to 98-m, one or a plurality of “specific service trunks” indicate a message to be described later, and the communication link 97A.
Announcement information to be transmitted as a call signal to a call path under the control of the processor 100A opposed to the communication information is held in advance. The processor 100A generates a number based on the above-described new number analysis table for the dial number given from the terminal 82 via the subscriber line 91-1 based on the call processing procedure of the call generated by the terminal 82. Analysis is performed (FIGS. 7 (1) and 7 (2)), and if it is recognized that this dial number does not match the changed new number plan, a number analysis based on the old number analysis table for the same dial number is performed. Attempt (FIG. 7 (a)).

If the processor 100A recognizes that the corresponding dialed number matches the old numbering plan as a result of the number analysis, the processor 100A selects the vacant “specified service trunk” from the above “specific service trunk”. Service trunk "and that" specific service trunk "
A communication path is formed between the telephone line and the subscriber line 91-1 via a communication path switch 97 and a concentrator 96.

Further, the processor 100A sends the address “the specific service trunk” to the “specific service trunk” via the communication link 97A. It may be necessary to update the dialed number, and it is possible to provide an "update service" that is automatically performed under the initiative of the subscriber line exchange 81.] In some cases, an instruction to transmit announcement information indicating a procedure of an operation to be performed in the terminal 82 in order to provide the “update service” is given.

The "specific service trunk" transmits the corresponding announcement information in response to such an instruction (FIG. 7B), and when the transmission is completed, the communication link 97A
Is given to the processor 100A via the. When recognizing the notification, the processor 100A responds to the operation indicated by the above-described announcement information to the terminal 82A.
Transitions to a "waiting state" for waiting for a signal given via the subscriber line 91-1 from the terminal.

In the “standby state”, the processor 100
A receives the above-mentioned signal through a vacant register among the registers 99-1 to 99-n or a "specific service trunk" which has already been acquired, and claims A to claim 5. The “update service” described above based on the same procedure (FIGS. 7 (3) to (8)) as the embodiment corresponding to the invention of FIG.
Provide.

However, if such a signal is not received for a predetermined period, the call processing of the corresponding call is continued by applying the old numbering plan. That is, during a desired period after the change of the numbering plan is performed, the operator of the terminal that has made a call with a dialing number that conforms to the old numbering plan is referred to as “the dialed number registered for that terminal in abbreviated form”. Need to be updated "is automatically performed.

Further, the terminal is provided with an "update service" as a call processing for the corresponding outgoing call, or based on the old number plan without being forced to redial based on the dial number conforming to the new number plan. A communication service is provided. Therefore, according to the present embodiment, the operator of the terminal that has dialed the number in accordance with the old number plan is reliably notified that "the application of the new number plan has started", and the change of the number plan is performed. High service quality is secured while flexibly adapting to

In this embodiment, the provision of the "update service" and the continuation of the call processing based on the old number plan are performed after the announcement information is transmitted. For example, instead of the announcement information, By transmitting only appropriate announcement information, a similar “update service” is performed according to the judgment and operation of the operator of the corresponding terminal.
May be provided as appropriate, and re-transmission based on the dialed number consistent with the new numbering plan may be prompted.

In the present embodiment, the "update service" is provided in an interactive manner in the course of the above-described call processing of an outgoing call. For example, the "update service" is applied based on the procedure included in the aforementioned announcement information. The “update service” may be provided by the terminal retransmitting. Furthermore, in the present embodiment, the announcement information described above includes an operation procedure to be performed by the terminal operator in order to provide such an “update service”. As in the embodiment corresponding to the described invention, when the terminal to be subjected to the "update service" is to be registered in advance as a service order, for example, in conjunction with this operation procedure or in place of this procedure "A description of a procedure to be performed for registration of this service order" may be included.

In the present embodiment, the call processing is continued based on the old number plan. However, the provision of the communication service based on such call processing requires the operation and maintenance of the network and the exchange. If it is not permitted due to the form, the billing process system, or other restrictions, it may not be performed. Furthermore, in each of the above-described embodiments, a telephone terminal adapted to the subscriber line 91-1 is accommodated as the terminal 82. For example, the terminal 82 performs data communication like a personal computer or other information terminal. Even the device,
The present invention is equally applicable.

In each of the above-described embodiments, the subscriber lines 91-1 to 91-M are analog subscriber lines. For example, the subscriber lines 91-1 to 91-M are accommodated via ISDN or other digital subscriber lines. The present invention can be applied to both a terminal device to be used and a network in which such a terminal device is accommodated via a subscriber line or an extension. Further, in each of the above-described embodiments, the terminal 82 is accommodated in the circuit-switched telephone network (may be a LAN) via the subscriber line 91-1. As long as the dialed number (address) is applied at the time of originating a call, the present invention is similarly applicable to a message exchange system and a store-and-forward system.

[0083]

As described above, according to the first aspect of the present invention, it is possible to prevent the occurrence of unnecessary erroneous connection or incomplete call after the change of the numbering plan with higher accuracy than in the conventional example. According to the second aspect of the present invention, even if the information amount of the address registered in the short address storage means is large, the increase in network traffic is suppressed as compared with the first aspect of the present invention. In addition, efficient adaptation to the numbering plan can be achieved.

Further, according to the third aspect of the present invention, the distribution of network traffic is stably maintained without lowering the completed call rate or causing congestion due to the change in the numbering plan. Further, according to the invention described in claim 4, compared to the invention described in claim 2, it is possible to quickly adapt to a change in the numbering plan, and to reduce the completed call rate due to the change in the numbering plan. The possibility of occurrence of a congestion state is reduced.

Further, according to the fifth aspect of the invention, maintenance and operation flexibly adapted to a desired fee system and service standard can be achieved. Further, according to the invention described in claim 6, compared to the invention described in claim 5, it is possible to efficiently adapt to a change in the numbering plan. Further, according to the invention described in claim 7, retry of transmission in which an address conforming to the old numbering plan is applied unnecessarily and repeatedly is avoided with high accuracy.

Further, in the invention according to the eighth aspect, quick adaptation to the change of the numbering plan is prompted to each communication terminal device. Further, according to the ninth aspect of the present invention, the convenience related to the operation of the communication terminal device is enhanced. Therefore, in the network to which these inventions are applied, the adaptation of each terminal involved in the change of the numbering plan can be appropriately performed, and the restriction accompanying the change of the numbering plan is greatly reduced.
In addition, the number of communication terminal devices to be accommodated can be increased and various types of services can be provided flexibly.

[Brief description of the drawings]

FIG. 1 is a principle block diagram of the invention according to claim 1;

FIG. 2 is a principle block diagram of the invention according to claim 2;

FIG. 3 is a principle block diagram of the invention according to claims 3, 5 and 7 to 9;

FIG. 4 is a principle block diagram of the invention according to claims 4 and 6 to 9;

FIG. 5 is a diagram showing an embodiment corresponding to the first to ninth aspects of the present invention;

FIG. 6 is a diagram for explaining the operation of the present embodiment corresponding to the first to ninth aspects of the present invention;

FIG. 7 is an operation flowchart of a subscriber line exchange according to the first to ninth aspects of the present embodiment.

FIG. 8 is an operation flowchart of the terminal according to the first to ninth aspects of the present embodiment.

FIG. 9 is a diagram showing a type of information transmitted and received between a terminal and a local exchange.

FIG. 10 is a diagram showing an example of a mode of changing a numbering plan.

FIG. 11 is a diagram illustrating an example of control information.

FIG. 12 is an operation flowchart of an NSP according to the fifth and sixth aspects of the present invention.

FIG. 13 is a diagram showing a configuration of subscriber data.

FIG. 14 is a diagram showing a configuration example of a conventional public telephone network including a subscriber line exchange.

FIG. 15 is a diagram showing a configuration of a short number table.

[Explanation of symbols]

 80,94 Network service control station (NSP) 81,90 Subscriber line switch 82,92 Terminal 83 Modem 91 Subscriber line 93 Common line signal link 95 Inter-station transmission line 96 Concentrator 97 Communication path switch 98 Service trunk 99 Register 100 , 100A Processor (CPU) 101, 103 Switch 102 Diode bridge 104 Tone ringer circuit 105 Sounder 106 Resistor bridge 107 Power supply circuit 108, 111, 112 Amplifier 109 Receiver 110 Transmitter 113 Operation display unit 113A Keypad 114 DTMF oscillation circuit 115, 115A Processor (CPU) 120 Short number table

Claims (9)

[Claims] An address which is individually assigned to one or a plurality of terminals that can be a destination and is adapted to a network numbering plan, and a shortened address which is an identifier of these addresses is registered in advance in association with each other. Shortened address storage means, and among the addresses registered in the short address storage means,
Network interface means for transmitting an address by applying an address corresponding to the designated shortened address and transmitting and / or receiving transmission information based on a call setup procedure adapted to the network. In the communication terminal, based on a signaling method adapted to the network and the procedure of the call setting, to the network, an address update requesting unit for transmitting a sequence of addresses registered in the short address storage unit as the transmission information, A sequence of addresses distributed via the network is taken in based on the signaling method and the procedure for setting up the call, and the addresses included in the sequence of addresses are stored in a form adapted to the shortened address storage means. A communication terminal device comprising: an address updating unit for registering in the unit. 2. An address which is individually assigned to one or a plurality of terminals that can be called destinations and is adapted to a network numbering plan, and abbreviated addresses which are identifiers of these addresses are registered in advance in association with each other. Shortened address storage means, and among the addresses registered in the short address storage means,
Network interface means for transmitting an address by applying an address corresponding to the designated shortened address and transmitting and / or receiving transmission information based on a call setup procedure adapted to the network. In the communication terminal, based on the signaling method adapted to the network and the call setup procedure, the control terminal receives control information distributed through the network and indicating a form of change in the numbering plan of the network; and A communication terminal device comprising: an address updating unit that updates an address registered in a storage unit in accordance with a mode of change indicated by the control information. 3. A switching unit for accommodating the communication terminal device according to claim 1 and providing a communication service to the communication terminal device based on a call setting procedure adapted to a numbering plan. An existing address acquiring unit that acquires an address given from the communication terminal device based on the address, updating the address acquired by the existing address acquiring unit based on a form of change in the numbering plan, and updating the updated address. An exchange comprising update address distribution means for distributing to the communication terminal device based on a call setting procedure. 4. A switching means for accommodating the communication terminal device according to claim 2 and for providing a communication service to the communication terminal device based on a call setting procedure adapted to the number plan, and for changing the number plan. A distribution unit for distributing control information indicating a mode to the communication terminal device based on the call setting procedure. 5. The exchange according to claim 3, wherein the exchange means provides a service that can match the address registered in the shortened address storage means provided in the communication terminal device with the numbering plan. An update address distribution unit that has a service order indicating a target communication terminal device as station information, wherein the exchange unit limits the distribution destination of the updated address to the communication terminal device having the service order as the station information An exchange having means for performing the following. 6. The exchange according to claim 4, wherein the exchange means provides a service that can match the address registered in the shortened address storage means provided in the communication terminal device with the numbering plan. A service order indicating a target communication terminal device is provided as station information, and the distribution unit transmits the control information to the communication terminal device having the service order as the station information. An exchange having means for limiting a distribution destination. 7. The exchange according to claim 3, further comprising: an announcement unit for generating a message indicating that an address indicating a destination of the generated call does not conform to the numbering plan, The exchange means is generated by the announcement means at the origin of the originating call when the address does not match the numbering plan and matches the old numbering plan applied prior to the numbering plan. A switch for transmitting a message. 8. The exchange according to claim 7, wherein the announcement means is provided for providing a service capable of matching an address registered in advance in a communication terminal device, which is the originator of the generated call, with a numbering plan. Generating a message containing the required procedure and / or the operation to be performed via the communication terminal device, wherein the exchange means actually transmits the message via the communication terminal device that is the originator of the generated call; Wherein the call setting is performed in a procedure adapted to the operation indicated by the message generated by the announcement means. 9. The exchange according to claim 7, wherein the exchange means is configured such that in the generated call, the address indicating the destination does not match the numbering plan and is applied prior to the numbering plan. An exchange having means for setting a call based on the old numbering plan for a call that matches the numbering plan.