JPH02503619A - Automatic interactive mass communication system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Automatic interactive mass communication system Background of the invention field of invention This invention is useful for communication networks, especially for dynamic interactive communication between central and telephone subscribers, etc. It is related to communication networks.

Description of prior art For example, polling, commercial transactions, alert systems and public consumption. In environments such as remote monitoring, where telephone messages are sent to a large number of telephone subscribers, It is necessary to believe. In most cases, the switchboard will allow you to make calls. It has become. Once the individual link from the telephone subscriber to the central console has been established, the The recorded messages are transmitted to those subscribers. in some kind of system In some cases, only one-way communication takes place between the operator and the telephone subscriber; records are responsive for later analysis or processing. A typical system consists of a group of additions. Access (connection) is made to the users in order.

Telephone message systems selectively send stored messages to telephone callers. , and configured to simultaneously convey, store, and distribute called messages. It is known as something that Some of these systems support large numbers of callers. can perform simultaneous services, prerecorded or pre-recorded for real-time response. A stored message is being prepared.

Also for the sequential transmission of telephone messages between a central calling party and a group of subscribers: Techniques, including hardware and methodologies, are also being developed. Do this at scale In other words, it is economically unattractive to communicate with widely distributed subscribers. Using conventional techniques is disadvantageous in terms of cost.

Furthermore, current systems do not allow the results of subscriber responses to be co-processed in practical instantaneous mode. lacks the ability to compile (edit)

Purpose and summary of the invention Therefore, an object of the present invention is to provide cost-effective real-time bulk communication. The objective is to overcome the shortcomings of the prior art.

Another object of the invention is to (1) Establishing two-way communication between a number of local subscribers and a central unit. (2) providing a communications network for the communication of a large number of telephones from a central unit; To provide a communications network that allows simultaneous dialing of subscribers. (3) Minimizing the cost of calling a large number of telephone subscribers; (4) ) allowing telephone messages to be transmitted simultaneously to a large number of telephone subscribers; as well as (5) provide practical and instantaneous effects on subscriber real-time responses; That is.

According to the invention, a communication network for establishing two-way communication with a large number of local subscribers is provided. The network shall have (1) the ability to identify the local subscriber with whom two-way communication is to be established; a), the ability to initiate communication in some cases (b), and real-time response. (C) a central communications processor, each containing a plurality of groups; a plurality of local communications processors for establishing two-way communications with local subscribers; and (3) two-way communication between the central communications processor and local communications processors. It includes means of establishing trust.

Other objects, features and advantages of the invention will be apparent from the description made in connection with the accompanying drawings. It will become clear from the detailed explanation below.

Brief description of the drawing FIG. 1 is a block diagram showing an embodiment of a mass communication system according to the present invention; Figure 2 is a schematic block diagram of the central communication processor employed in the embodiment of Figure 1. line diagram, FIG. 2A is a schematic diagram showing an alternative arrangement of the central processor; FIG. 3 is an embodiment of FIG. 1; a schematic block diagram of a local communication processor in FIG. 3A shows a modification for adapting the local communications processor to the example of FIG. 2A. A schematic diagram showing, Figure 4 shows the multi-line controller in the local communication processor in Figure 3. A schematic block diagram showing Figure 5 is a schematic block diagram of the audio control section in the local communication processor in Figure 3. FIG.

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS Referring to the drawings, and in particular to Figure 1, two-way communication with a large number of local subscribers is A communication network (10) for establishing includes a central communication processor (12) and A large number of local communication processors (14a), (14b), ..., (14n) Contains. In the illustrated embodiment, these n local communication processors are each Via telephone links (transmission lines) (16a), (16b), ..., (16n) Coupled to a central communications processor. In the preferred embodiment, the link is local communication processors (14a), ..., (14n) and a central communication processor (12) one or two two-way telephone communications connections between the (This is a backup line in case a line error occurs.)

Each local communication processor (14a),..., (14n) typically Located in offices (18a), (18b), ..., (18n), each with 1 central office via telephone lines (24a), (24b), ..., (24n) It is coupled to the equipment (20a), (20b), ..., (20n). 1 group of lines ( 25a), (25b), ..., (25n) are hanging office equipment (20a), ..., (20n) (typically an electronic exchange) to a terminal telephone subscriber (29al) , (29an), ..., (29nl), ..., (29nn).

In many applications, the central communications processor (12) is a local communications processor. (14a), ..., (14n), and these communications The processors are also distributed between remote central offices (18a),..., (18n). It's scattered. Therefore, from the central communications processor (12) to the communications network ( 10) to transmit messages to terminal subscribers via long-distance telephone lines ( 16a), ..., (16n) are required. On the other hand, the telephone line (25a)... , (25n) may be local lines. It is preferable to use only a few long-distance lines. Although this approach increases the number of local lines, it is difficult to synchronize with a large number of distributed remote subscribers. This significantly reduces the cost of time communications.

When the telephone lines (16a), ..., (16n) are local lines, Also, local communication processors (14a), ..., (14n) and each central office Telephone lines (24a), ... between the service facilities (20a), ..., (20n) , (24n) are directly connected to the equipment, significant cost reduction is possible.

A more detailed configuration of the central communications processor (12) is shown in FIG. Uni The terminal is connected to the disk controller (114) and the terminal via the data bus (112). (128) and a suitable program coupled to a printer (130). It includes a processor (110) consisting of a microprocessor. disc controller The controller (114) is responsive to the processor (110) to -Storage such as disk (116) and hard disk (11g) It controls the data flow between.

The processor (110) also provides audio control via the data bus (112). roller (120) and a set of serial communication processors (122a), ..., (12 2n). The latter device, namely the communication processor (122a),... ・, (122n) connects the parallel data from the data bus (112) to the multiplexer ( 126a), . . . , (126n) into a serial format for transmission.

Audio communication, such as voice communication, uses a microphone (124), for example. via the audio controller (120). This audio meter Sage supports data/voice multiplexing/demultiplexing in analog format. unit (126a),..., (126n) and line (16a),... , (16n) via the local communication processor (14a), ..., (14n) ) or digitized and then via the data bus (112). Stored on floppy disk (116) or hard disk (118), and later be prepared for transfer.

This digitally stored message is stored in the local communications processor (14a),... (14n) is called in two different ways. one way and Then, the digital data is transferred to the audio data for D-A conversion via the data bus (112). the data controller (120). The analog signal is then transferred to the data/voice Multiplex/Demultiplex unit (126a), ..., (126 n) to the local communication processors (14a), ..., (14n). It will be done. Optionally, the digital message is connected to a data bus (112) and a serial communication Data/audio multicast via controller (122a), ..., (122n) Plex/demultiplex unit (126a),..., (126n ), thereby providing a local communication processor (1) in digital form. 4a), ..., (14n) is performed.

In the illustrated embodiment, the units (126a), ..., (126n) are dio controller (120) and serial communication controller (122a),... , (122n) to multiple voice and data communications (including control and status signals). Plex and demultiplex. In an optional embodiment (Figure 2A) omits the data/voice multiplex/demultiplex unit. between the audio controller (120) and each local communication processor. a standard modem connected between, for example (126Ma), and a separate voice line TL It can be replaced with a.

A more detailed configuration of the local communications processor is shown in FIG. As shown Each unit is suitably programmed and has a microphone coupled to it. processor (210), disk drive (214) and terminal (21) 2). The processor (210) is a data/voice multiplex unit. via cuts (126ap) and (126as) and lines, e.g. (16a) It can communicate with a central communications processor (12). This central communications processor (12) is connected to the associated multiplex unit, e.g. (126a). (Figure 2). From the central processor to the multiplex unit (126a The digital data transmitted via p) and (126as) is stored on a storage disk. (214) to the processor (210) for writing to (214). this is necessary or to execute instructions sent from the central communications processor.

The processor (210) further transmits multiple signals via a digital data bus (218). Chi-line controller (220a), ..., (220n) and audio controller controller (222). The auxiliary bus (224) also It connects the controller (222) and the multi-line controller.

Voice communications from the central communications processor (12) are routed to the multiplex unit (12). 6ap) and (126as) to the audio controller (222). and further connected to the multi-line controller (220a) via the auxiliary bus (224). ), ..., (220n). Multi line controller (MLC) The subscriber answering the call is now sent from the MLC to the central office facility (20a ) to receive messages sent to you.

In the preferred embodiment, this includes analog voice communications and conversely subscriber input. This serves as a conduit for receiving received responses. Additionally, in a preferred embodiment, Recorded messages from the central communication processor (12) are sent to the audio controller (2). 22), the auxiliary buffer is delayed by an amount of time equal to the number of steps S. The base (224) contains eight versions of the same message, each version being There is a slight delay from the type.

In the illustrated example, the number of steps S is eight.

The multi-controllers (220a), ..., (220n) respond to the subscriber. Select a suitably delayed message from the auxiliary bus (224) and send it to their phone. answer and allow them to hear the message from its beginning.

The telephone line group (24al), ..., (24an) is connected to a multi-line controller ( 220a), ..., (220n) to a central office facility, e.g. (20a). Connecting. This central facility provides access to selected subscriber lines, e.g. (25a). Set a path of faith. For example, each local communications processor It has 16 outgoing telephone lines connected to each of the controllers.

For the communication link between each local processor and the central processor (12) , it should be noted that alternative configurations are illustrated and described in FIG. 2A. be. An alternative variation to a local processor is shown in Figure 3A.

As shown here, the audio controller (222) is connected to the telephone line already mentioned. line, such as Tla shown in Figures 2A and 3A, thereby connecting the central linked to the processor audio controller (120).

Similarly, the processor (210) provides digital/ connected to the audio line, e.g. (16a) and thus the center shown in FIG. A connection is made with the processor's modem (12611a).

Furthermore, each multi-line controller (220a), ..., (220n) Details are shown in FIG. The MLC shown is an 8-pit microprocessor (8 01), where each MLC connects to central office equipment. It handles a group of 16 connected telephone lines, for example (24al), and ．． Yade9　/’　　,,(2□8), Yoi, Gayasha. h1□1. . 8■(7,2 77. Composed of illusions. (This Multibus is a registered product of Intel Corporation. It is a sign. ) The microprocessor typically has RAM (805), FROM (806) and a clock (807) and a counter slash timing unit (808) and and (809). These elements are internal data bus (Do, Dl...D7), address bus (AOlAl...A15) and a typical set of microprocessor control lines. It is used to communicate with the main body of the server and with each other. microprocessor control A typical set of INs are read/write enable signals ■ and ■ and interrupt and wait signals IN Contains TSWAIT, input/output request l0RQ, etc.

Microprocessor (801) connected to digital data bus (218) The process shown in Figure 3 is carried out via a bus repeater (802) and a bus transceiver (803). and a processor (210). This microprocessor also has a second Auxiliary (o-2) array input/output controller (8o4) (pro-2) audio) bus (224), and via this bus the audio Communicate with controller (222). 3-bit human power NACO1NAC1, NAC 2 tells the microprocessor (801) the next acceptable channel, viz. That is, it identifies the message in the delayed message sequence, and this is the starting message. It becomes a page.

The microprocessor controls the telephone number to be called by electronic unit 812 (0 ), 812(1), . . . , 812(15). It is an internal data tabus DO1D1...DV), address decoder (810), and parallel input/output Communication with these units is via power control o-5 (811) (PI 0-1). believe This person/output controller is line DV(0),...,DV(15) It is connected to telephone line installation *812(0),...,812(15) through.

The address decoder connects the microcontroller through the address bus and various control signal lines. connected to the processor. Through connections to other system elements, the address decoder Determine which unit the processor is addressing.

Each of the telephone line control electronic units 812(0), . . . , 812(15) is a DT MF) transceiver (817), call progress decoder (81g), audio player Multiplexer (819), 2-4 wire converter (820), telephone line interface -face (821), and performs reset and on/off-hook functions. It consists of a latch (822) for D T M F (817) is a diamond or which key the subscriber presses in response to a message. Indicates whether it was pressed. Withdrawal chip and ring line (24al) are available at the central office. connected to the base equipment. These lines from local audio controller Communication to auxiliary bus (224), AUDOl...AUD7 line, each unit MUX (819), converter (820) and interface in (821).

The audio bus also includes a NAC signal (described below in connection with the audio controller). ), and board address signals BAO1..., BA4, and central office The energizing signal (COE) is sent to the microphone via PI0 (804) (PIO-2). The data is supplied to the microprocessor (801). The central office activation signal closes the processor when traffic or other conditions permit. This is a shutdown.

The telephone number data appearing on the digital data bus (218) is sent to the microprocessor. Under the control of the server (801), it is first stored in the RA M (805), then When read from here, the DTMF transceiver (817) provides the Used to control digit tone dialing. Selection shown is transceiver determined by the status of internal pass lines DO1, D2, and D3 connected to the Ru.

Consists of a set of audio messages AO1A1,...,A7 with intervals Audio signals are sent to each MUX (819) via an audio bus (224). supplied to Microprocessor (801) is NAC input to PIO-2 The next available audio identify the message. Thus, a particular interface unit (812 ) (N)'s call progress decoder (818) determines that the subscriber is in the waiting state. When the microprocessor (801) is instructed to Connect messages available through to its subscribers.

When a subscriber presses one key in his keypad state, the The tone is detected by the DIMP) transceiver (817) and it It is placed on the data lines DO1..., D3. The DTMF unit also If a key operation is applied to the PIOI via the corresponding data evaluation line, e.g. DV15, This is to notify you that it has been detected.

As a result, an interrupt is generated and the microprocessor reads the value of the key pressed. store and place the system in a subscriber-responsive state.

The multiplexer (823) controlled by the latch (824) Audio channel signals CHOAU from 12(0),...,812(n) DSCHIAUD, ..., CH15AUD are multiplexed to create an audio auxiliary bus ( 224) and monitor the audio response of the selected channel. let

Details of the audio controller section of each local communication processor are shown in Figure 5. ing. The controller shown in FIG. 5 is an 8-bit microprocessor ( 900). The processor (900) has an interface ( 931) and the processor <210) in FIG. 3 through the multipath system. Communicate between.

The microprocessor (900) further includes an auxiliary bus and a next channel indicator. Multi-line controller 5 (220a), . . . Communicate with (22On).

Communication with the local processor auxiliary bus (224) consists of eight audio channels. Channel AUDOSAUDL... is performed via AUD7. Subscriber side of the system The connection to the local processor multiplexer, e.g. (216ap) or ( 216as) (Referring to FIG. 3, it further includes a central communications processor (12 ) via a line (230) connected to ). on the inside line (230) is connected to an analog multiplexer (901) .

The selective connection to the subscriber side is a variant (see Figure 3A) of the incoming line TL. a telephone interface unit that connects a to the analog multiplexer (901). via cut (930).

Analog multiplexer (901) is either line (230) or TLa Select the source of incoming analog messages. The audio signal is digitized by an audio encoder (903). is compressed. The digital data is then transferred to the voice RA by the microprocessor. Stored in M (904). The microprocessor can turn on the voice if desired. The digital data from the RAM is sent to the audio decoder (905) in sequentially delayed segments. This data is used to play back the original audio message. The data is expanded to the codec (906) and sent. Thus eight consecutively delayed A primitive message of type is received on the audio path (224).

If the local processor is processing a digitized audio signal , those signals appearing on the digital path (218) in FIG. Voice RA M via interface (931) and inner path (919) (904). As a result, the message is sent to audio channel A. It is read out to VDO1..., AVD7 as a delayed increment.

What should be noted in relation to Figure 4 is that the system uses a multi-line controller. Ability to selectively monitor and respond to multiple AUD-OUT signals provided by It is to have the ability. Referring to Figure 4, the output is the audio code of Figure 5. Added to the audio in-terminal in the controller. This will cause that The output is multiplexed in MUX (922) &, MUX controller ( selected by an analog multiplexer (901) under the control of .

To indicate the state of the staggered message string, the audio controller NAC signal NAC(0), NAC(1) from channel indicator (922) ), NAC(2) via the auxiliary path (224) (see also Figure 4). Supply to chill line controller.

The system may also include an auxiliary unit, such as a tape recorder, as an audio driver. is equipped with a means for connecting to the system via an online controller (928). There is.

In actual operation, the central communication processor (12) is connected to a floppy disk (11). 6) or telephone subscription to be called on hard disk (11g) (Figure 2) the phone number of the person and the voice message to be distributed.

The processor (110) retrieves the telephone number to be called from the storage device and The signals on the data bus (112) are routed to the serial communication controller (122a). ),..., (122n), multiplex unit (126a),... (126n) and local communication via telephone lines (16a),..., (16n). The information is transmitted to the communication processors (14a), . . . , (14n). Phone number is multiple Rex unit, for example (216ap) or (216as) (Fig. 3) The data are individualized at the processor (210) and then supplied to the processor (210). Processor (21 0) stores those phone numbers on the floppy disk (116) and A digital bus (21g) representing each telephone number to be called at a time. The above digital signal is transferred to a suitable multi-line controller (220a),... ・, (220n).

Multi-line controllers (220a), ..., (220n) are reasonable telephones Connect the line to the central office equipment (20a), ..., (20n) and Connect the line to the telephone subscriber of the dialed terminal.

Messages for telephone subscribers can be sent to floppy disks (116) or hard drives. from the disc (11g) or the microphone (124) (also from the audio controller). controller (120)) to the central processor (12). Sunawa Then, those messages are sent to the path (112) and the series controller (12) in Figure 2. 2a), ..., (122n) to the multiplex unit (126a) ), ..., (126n), and further transmitted to the local processor's multiplayer network unit, for example (216ap) (Figure 3), and local communication processor, for example (210).

As mentioned above, the audio controller (222) handles audio communication. A group of sequentially delayed molds is routed along an auxiliary bus (224) to a multi-line controller. (220a), ..., (220n). audio controller and sending commands to the multi-line controller along the auxiliary bus (224). This allows the multi-line controller to receive appropriate information from the central communication processor (12). Deliver the delayed message (via C, O, equipment) to the terminal telephone subscriber.

Communication in the reverse direction from the terminal telephone subscriber to the central communication processor (12) shall also be carried out. Can be done. Incoming signals, e.g. pressing selective keys on the terminal subscriber's telephone As a result, one signal generated is shown in Fig. 3 as The information is supplied to the telephone lines (24al), . . . (24an) via the telephone lines (24al), . multi line The controllers (220a), ..., (220n) control the signals on each of those lines. decode. Once the incoming data is decoded, the processor (210 ) to the multiplex unit (216ap). This results in The multiplexed information is transmitted from here through telephone lines (16a), ..., (16n). and is supplied to the central communications processor (12).

In Figure 2, the incoming information is transmitted to the multiplex unit of the central communication processor ( 126a), ..., (126n) It will be done. The data is then transferred to a serial communication controller under the control of the processor (110). The disk controller ( 114), floppy disk (116), and hard disk (118). be provided. The processor (110) uses a floppy disk (116) or hard disk. operating the data stored on the disk (118) and the printer (13); 0) Print the results on the screen or display them on the terminal (12g). I can do it.

As a modification to the above configuration, a central unit (12) and a local processor The transmission between the audio controller of the central processor (12) and the local Lines TLa...TLn connected to the audio front roller of the communication processor This is done by In this configuration the data bus (112) of the central unit is The modem (12611a) in Figure A and the local processor modem (2) in Figure 3A 16) connected to the local processor digital bus (218) via Ia) It will be done.

Typical system capacity has 14 lines each supporting 400 subscriber lines. Adopts a local communication processor, which allows a total of 5,600 simultaneous connections It can be performed. Of course, the system can be made larger than this. Wear.

As will be obvious to those skilled in the art, the communication network of the present invention can be It allows bi-directional and simultaneous communication with a distributed number of subscribers. Therefore Telecommunications networks are able to answer questions to telephone subscribers within the community regarding their legal status. to provide virtually instantaneous results, or with a home energy meter. It can be used for communication, provision of data on regional cultivability, etc.

This communication network also provides services to telephone subscribers of the terminal or to their subscribers. This function is used to transmit orders provided by customers and can be used for processing orders. Wear. In addition, the communication network provides two-way communication between subscribers of TV Summer Telecommunications. It can also be used for. In such cases, television transmission data is (cable or airwaves). tv ji sumi program Viewers of the program can send their data via telephone lines (16a), ..., (16n) and (24a). , ..., (24n) and (25a), ..., (25n) along the central communication network. It can be sent back to the processor. Audience response results are available virtually instantly Therefore, it is a TV game series with mass participation! - production or TV Poli (inquiries), TV sales, etc.

In the foregoing, one embodiment of the present invention has been illustrated and described in detail. No. 2,000,000 will be deemed to depart from the spirit and scope of the invention as defined in the appended claims. It is clear that various further modifications may be made without any modifications.

Submission of translation of written amendment (Article 184-7, Paragraph 1 of the Patent Act)

Claims (24)

[Claims] 1. A mass communication system for establishing two-way communication between multiple terminal subscribers. There it is, (a) means for identifying the terminal subscriber with whom two-way communication is to be established; and (b) a central communications processor having means for initiating real-time communications with registered subscribers; Sa and means each connected to an exchange, said terminal joining said exchange connected to said exchange; a plurality of local communications processors capable of establishing two-way communications with substantially simultaneous communication between said central communications processor and said local communications processor; A mass communication system characterized by having link means for providing two-way communication. Tem. 2. The central communication processor communicates with the terminal subscriber via the local processor 2. A computer according to claim 1, further comprising means for processing signals received from a computer. system. 3. the local communication processors are geographically distributed and the terminal subscribers 2. The system according to claim 1, wherein the system is directly connected to a switching machine. 4. an identification received by the local communications processor from the central communications processor; into a dial signal used for transmission of data to said switching unit. 2. The system of claim 1, further comprising means for converting. 5. The central communications processor transmits message data and control data to the local 2. The system of claim 1, further comprising means for transmitting to a processor. Mu. 6. said switching means is connected to said subscriber by a local telephone line; The system according to claim 5, characterized in that: 7. The central communications processor processes digitized messages and subscriber identification data. means for processing the data and multiplexing the data to the local processor; A system according to claim 1 or 2, characterized in that it comprises means for. 8. said means connected to said switching system; said means connected to said switching system; 8. The system according to claim 1, 2 or 7, characterized in that the system is directly connected. 9. The local communication processor transiently stores subscriber responses and and means for transmitting a response to the central communications processor. The system according to claim 1 or 2. 10. Mass telephony for establishing two-way telephony with a large number of telephone subscribers It is a system, each telephone to establish two-way telephone communication with a subset of said telephone subscribers; means connected to the switching equipment, and subscriber selection and communication data to each switching equipment. a plurality of local communication processing means comprising means for relaying; selecting said telephone subscriber and transmitting a different communication to each of said local communication processing means; central communications processor means having means for communicating the set; for establishing two-way telephone communication between said central communication means and said local communication means; link means, A mass telephone communication system characterized by comprising: 11. said local means of communication are geographically dispersed from each other and associated switching facilities; connects each local processor to its subscriber subset via the local telephone circuit. 11. The system according to claim 10, wherein: 12. The local communication means and the central communication means communicate with the central communication means. 11. The method according to claim 10, further comprising means for multiplexing and individualizing the signals. system. 13. The central communication means controlling the operation of said central communication means and communicating with said terminal telephone subscribers; central processing means for processing data exchanged between; and providing audio communication between the terminal telephone subscriber and the central communication means; Claim 10, further comprising audio colon controller means for system. 14. said local communication means stores digitized audio communications; and means for processing said digitized audio message to said terminal. Audio colon controller means for providing audio communications with telephone subscribers 11. The system of claim 10, comprising: 15. The local communication means a processing means for controlling the operation of the local communication means; and a processing means for controlling the operation of the local communication means; an audio processor for handling audio communications between the stage and the central communication means; controller means, and connecting said telephone exchange equipment to said audio controller means. Multi-line controller means to connect 11. The system of claim 10, comprising: 16. said multi-line controller means being supplied by said central communication means; for dialing said selected telephone subscriber in response to said telephone number; 16. The system of claim 15, comprising means. 17. Each of said local communication means is configured such that said central communication means communicates with said local communication means. When providing subscriber identification data to a stage, the telephone number of a subset of that subscriber Claim 10, characterized in that the numbers are dialed substantially simultaneously. system. 18. each of said local communication means being located at a central office of a telephone carrier; 11. The system of claim 10. 19. A central processor communicates virtually simultaneously with multiple subscribers connected to an exchange. multi-line controller for use in mass communication systems that can a set of said multi-line controllers comprising said central processor and each of the multi-line controllers connected between the switchboards; are (a) respectively coupled to each line connected to said switching unit, and a diode Altone transceiver means, call progress decoding means, and said central processor. including multiplexer means for receiving audio signals controlled by the a group of interface circuits; (b) said interface in response to line identification data from said central processor; means for selecting an interface circuit; and a means for selecting an interface circuit; means for supplying dialing digits to the transceiver means; and said transceiver hand; means for detecting a subscriber response digitized by the digitized subscriber response; means for directing the signal determined by the talization response to the central processor. processor Multi-line for use in a mass communication system characterized by controller. 20. in response to said interface circuit; Claim 19, further comprising interrupt means for announcing receipt of an entry response. Multi-line controller as described. 21. Said multiplexer means is responsive to said processor to send a set of sequential messages. 20. The method according to claim 19, further comprising means for selecting one of the messages. Multi-line controller. 22. A central processor connects multiple subscribers to a switching unit and virtually Audio for use in mass communication systems that allow simultaneous communication the central processor unit and the switching unit; (a) high-speed read/write memory (RAM); a processor unit comprising: (b) communicatively connected to said central processor; multiplexer, (c) digitizing the message sent through the multiplexer; and means connected to the multiplexer for storing in the RAM; , (b) before being stored in the RAM under the control of the processor unit; means for causing sequential delay and repetition of said messages; and (e) each transmitting one of said set of messages to said switching unit; and includes means for converting each message to analog form. An audio coronto characterized by comprising a group of audio channels. roller. 23. Storing digitized messages from the central processor in the RAM 23. The audio colon controller of claim 22, further comprising means for receiving the audio data. . 24. means for indicating which one of said delayed messages is to be initiated; 23. The audio colon controller of claim 22.