JPH0548726A - Electronic exchange system - Google Patents

Abstract

(57) [Summary] [Object] An object of the present invention is to provide an electronic exchange system having an answering machine message transmission function capable of registering a desired message for each extension. In an exchange system for accommodating an extension line and an office line and performing exchange connection between the accommodated lines, a voice synthesizing means (17) for generating a voice signal corresponding to the data when the character data is received, and a message to be inputted. Storage means 15 for registering a message by storing character data corresponding to an extension, input means 2 and 3 for inputting character data and extension number information of a message, and control for storing input information from the input means in the storage means When there is an incoming call to the extension registered with the message, when the extension is not answered, the character data of the message corresponding to this incoming extension is read from the storage means and given to the voice synthesizing means and the output voice of the voice synthesizing means It comprises means 14 for controlling the signal to be output to the originator of the incoming call.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic exchange system in which a message registered in advance for each service of a telephone and an exchange can be heard by a service initiator (user) by voice synthesis.

[0002]

2. Description of the Related Art In recent years, exchanges have come to use microprocessors as the center of control, and have become increasingly sophisticated and highly functional. By the way, a digital electronic exchange for a private branch exchange using a microcomputer uses a voice mail device etc. in addition to the basic function of accommodating internal lines and external lines and performing exchange connection between internal lines and between internal lines and external lines. It has a voice message service.

A voice mail device is a service in which a voice is stored and the other party hears the stored voice. Conventionally, a caller is connected to an exchange and is registered in advance in the voice mail device or the like. Fixed message or
Or I was only able to hear the message fixed by the tenant. However, as the services of exchanges become more diverse, this kind of response is not sufficient, and there is a demand for each user who uses the telephone to flexibly register and utilize his / her own message. ing.

That is, an electronic exchange system for private branch exchange can accommodate a large number of extensions, but the extension telephone is constructed so that it operates by a DC power supply supplied from the exchange through the line of the connection extension. A telephone that can be used as a telephone is an electronic key telephone (multifunctional telephone) that consumes less power and that can exchange data and commands easily with an exchange. It is a phone with limited functionality.

This electronic key telephone generally has a handset, a liquid crystal display for character display, a microphone, a speaker, a dial key,
Function keys, display lamps, etc. are provided so that, in addition to ordinary calls, simultaneous broadcast, registration of answering machine messages, meetings, reservations, etc. can be performed.

Simultaneous broadcasting is a function of broadcasting to all target extensions, and answering machine message registration is a function of sending this message to the called party by voice when the user is absent, such as a voice mail device. It is a function that the voice is stored in the voice mail, and when the voice is received, the voice is played back from this voice mail device and sent to the other party. It is a function that enables a call, and reservation is a function that, when a time reservation is made, a bell is sounded at the set time to notify the arrival of the scheduled time.

By the way, in recent years, answering machines have become widespread, and it has become possible to convey one's own message to the other party, record the message from the other party and listen to it later. In order to have it in the phone itself, it is necessary to have the hardware for it in the phone itself. Therefore, because of power consumption, an AC adapter (a power adapter that converts commercial power to the direct current required by the system and supplies it) is necessary.

Therefore, it cannot be said that such an AC adapter is attached to a large number of extension telephones in a private extension of a private branch exchange (PBX) to be used. Therefore, the private branch exchange is allowed to have various functions and extension terminals are provided. Has a minimum terminal function that can use this function, and supplies a sufficient amount of power from the line to operate this terminal function.

Therefore, taking one answering machine function is not enough. For example, voice mail corresponds to the answering machine function, but this stores the voice (message) from the telephone in the voice mail device by connecting the voice mail device that stores and reproduces the voice to the PBX. However, the message can be sent to the person who needs it when needed.

[0010] This includes interception reception and a mailbox service. The interception reception is a digital reception when the called party is busy or absent, no matter how many calls he / she does not answer the call. PBX is a service that automatically connects to voicemail. With this service, the caller sends the phone number of the person they want to contact and the contact details to the voicemail according to the voice guidance from the voicemail, and then the voicemail automatically calls the other party to convey the message. It is the service that I said.

[0011] The mailbox service is a service used when contacting a person who is given a mailbox in voice mail, and is a service convenient for contacting people who are apt to be absent and for confidential contact. is there.
Then, the person having the mailbox can listen to the contents imbued there by calling the voice mail.

Voice mail can also be used to convey the same message to a plurality of parties. In this case, after the caller calls the voice mail and inputs the addresses of a plurality of parties and the message to be transmitted, It is possible to notify the plurality of parties by voice.

However, such a function is a function of an extension user only transmitting a message from a caller to a user having his / her own mailbox, and the extension user receives an incoming call to his / her extension. There is no function to send a necessary message to an unspecified person.

That is, an unspecified caller can only listen to a fixed message, such as a guidance message for reception on behalf registered in the voice mail device, which is fixed to the system or the tenant, which is similar to the original answering machine function. A detailed function of transmitting a message of an individual user of each telephone terminal to an unspecified party arriving at the telephone terminal cannot be obtained.

[0015]

As described above, in the exchange system using the private branch exchange, in order to provide the extension terminal telephone with the hardware for adding various functions that can be performed by the telephone alone, the drive power source is required. Since there are many problems related to this, the private branch exchange side is given various functions instead of the telephone side side, and the extension terminals are given the minimum terminal functions necessary to use this function. Then, the private branch exchange has a mechanism for supplying the extension telephone with a sufficient amount of power from the line to operate the terminal function.

Therefore, it is not enough to take one answering machine function. For example, even if a voice mail device is provided on the private branch exchange side in order to obtain a message transmission function, this is an extension line. It is a function that only conveys the message from the caller to the user who has his / her own mailbox, and the necessary message is sent to the unspecified person who the extension user receives at his / her extension. There is no function to send and notify.

In other words, an unspecified caller can receive a guidance message for reception on behalf of a registered voice mail device.
You can only listen to fixed messages to the system or tenant, and convey the message of the individual user of each telephone terminal such as the original answering machine function to the unspecified person who receives the telephone terminal. I couldn't get the detailed functions of.

As the service functions of general telephones have become more diverse and more sophisticated, it is not sufficient to deal with this level of extension. There is an increasing demand for each extension user to register his or her own message so that it can be communicated to the receiving party.

Therefore, it is an object of the present invention to allow a desired message to be registered for each extension in an electronic exchange system using a digital private branch exchange, and to receive the call at the extension. An object of the present invention is to provide an electronic exchange system having an answering machine message transmission function capable of transmitting the registered message contents to a partner by voice.

[0020]

In order to achieve the above object, the present invention is configured as follows. That is, in an electronic exchange system for accommodating an extension line and a local line, and for exchanging connections between the accommodated lines, a voice synthesizing means for generating a voice signal corresponding to the character data and a message to be inputted. Storage means for registering a message by storing the character data corresponding to the extension, input means for inputting the character data and extension number information of the message, and control for storing the input information from the input means in the storage means. At the same time, when there is an incoming call to the extension registered as a message, when that extension has not responded, the character data of the message corresponding to this incoming extension is read from the storing means and given to the voice synthesizing means. Control for controlling the output voice signal of the synthesizing means to be output to the originator of the incoming call And configure and a stage.

Secondly, in an electronic exchange system which accommodates an extension line and a local line and exchanges the accommodated lines with each other, upon receiving character data, a voice synthesis for generating a voice signal corresponding to this data. Means, storage means for storing character data of an input message corresponding to an extension and registering a message including a message sending condition to be set, and input means for inputting character data of the message, extension number information and message sending condition When the input information from the input means is controlled to be stored in the storage means and the message sending condition in the extension registered as the message is satisfied, the character data of the message corresponding to the extension corresponding to the incoming call is read from the storage means. This voice synthesis is given to the voice synthesis means. And a control means for controlling so as to output the output audio signal of the stage to the target party should receive service constitutes.

[0022]

When the character data of the message and the extension number information are input from the input means, the control device receives the information and stores the input character data of the message in correspondence with the extension. The message is registered by storing it in the means. Then, when there is an incoming call to the extension registered as a message and the extension has not responded, the control means reads the character data of the message corresponding to the extension corresponding to the incoming call from the storage means and gives it to the voice synthesis means. At the same time, the output voice signal of the voice synthesizer is controlled to be output to the originator of the incoming call. When the voice synthesizing means receives the character data, it generates a voice signal corresponding to this data, so that this voice signal can be sent to the person who called the unanswered extension so that the message can be heard.

As described above, according to the present invention, when a message is registered in the form of character data for each extension, the data can be converted into a voice signal and sent to the recipient of the extension. In a business office, an intelligent condominium, or the like that employs a telephone system in which an extension telephone is installed via a private branch exchange, a user who uses an extension telephone for personal use can transmit his / her own unique message to the other party.

Further, according to the present invention, the message is registered by the input means in correspondence with the extension number by the character data, and the message sending condition is set so that the extension registered in the message receives an incoming call or the setting condition is set. When satisfied, the character code of the registration message is read, the code is converted into a voice in the voice band by voice synthesis, and the voice is sent to the other party who should receive the service. Therefore, a user who is using an extension telephone for personal use can set his / her desired condition to convey his / her message to the person who should receive the message transmission service, that is, the person who called the telephone or the desired person. it can.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an embodiment of the present invention, in which 1 is an exchange main body, 2 is a telephone terminal such as a telephone or an electronic key telephone, and 3 is a computer terminal such as a personal computer ( Or maintenance terminal), 4-1 ~
4-n is a local line. When the telephone terminal 2 is an electronic key telephone, this key telephone is equipped with a liquid crystal display, dial keys, function keys, etc. For character input, for example, a character list and a cursor are displayed on a part of the liquid crystal display. Is displayed and the character is specified by moving the cursor and input, or the function of inputting a character string by a character code is provided. Such a function can be provided in the key telephone itself, but can also be realized by the control of the central control unit 14 described later.

The exchange main body 1 accommodates extension terminals and office lines,
Exchange connections between extension lines, between extension lines and outside lines, etc. are performed. Exchange circuit 11, trunk circuits 12-1 to 12-n, line circuit (subscriber circuit) 13, central control unit 14, memory 15, It comprises a digital terminal circuit 16, a speech synthesizer 17, and the like.

The exchange circuit 11 performs exchange connection between extension lines or from extension line to external line (station line) and from external line to extension line. The central control unit 14 starts control of the exchange operation of the exchange circuit 11, It controls various controls of the whole.
The memory 15 stores various control programs of the central control unit 14, various tables, and data of set function contents and the like, and also has a function as a database and a message data holding.

Computer terminal (maintenance terminal) 3
Is used to change the contents of various tables, function contents, databases, etc. stored in the memory 15, data change / addition / deletion, etc., and program change, etc. It has a device and exchanges data and commands with the central control unit 14 to carry out these operations.

In this system, a menu program and a message setting program are prepared in the memory 15, and the central control unit 14 executes the menu program by a predetermined key operation and operates the terminal to access the terminal by the predetermined key operation. When the menu screen is controlled, the menu screen is displayed on the display, and the talk (voice) message setting mode is selected, the guidance of the necessary input item is displayed, and the setting of the input item is completed. In that case, it has a function of displaying the service type registration menu, inputting the service type, and registering. Further, a menu for changing, correcting, or deleting the contents set by these is also prepared.

The line circuit 13 is a connection interface provided for each extension and serves as a connection interface between the switching circuit 11 and each extension terminal. The trunk circuit 12-1 to 12
Reference numeral -n is a circuit for interfacing the switching circuit 11 and the corresponding office lines 4-1 to 4-n, and also for detecting the incoming call and closing the DC loop for line capture. In addition to this, although not shown, a tone sending circuit is connected to the exchange circuit 11 so that various signal sounds necessary for the telephone system can be sent.

These constituent elements in the exchange main body 1 are
The line circuit 13 and the trunk circuit 12-1 are coupled to the central control unit 14 via a signal line 18 such as a control line or a data bus line, and according to a control program stored in advance in the memory 15.
It controls so that a speech path between ~ 12-n is formed and enables a normal exchange operation. In order to realize these controls, the memory 15 is provided with a program for that purpose.

The digital terminal circuit 16 is an interface for connecting the exchange to an external digital terminal, and the computer terminal (maintenance terminal) 3 is connected to the signal line (control line or data bus of the exchange through the digital terminal circuit 16). Line) so that it can communicate with the central control unit 14. The voice synthesizer 17 is for receiving a character code and synthesizing the same sound signal as the reading of the character indicated by the code and outputting it as a signal. 15
The character code obtained by reading from is obtained and converted into voice.

The operation of the present apparatus having such a configuration will be described. In this system, if there is an incoming call from an outside line, the central control unit 14 detects the incoming call from the trunk circuits 12-1 to 12-n, and the extension terminal set as a representative (in the case of a relay stand system or an extension group type) Alternatively, the call is directly made to a corresponding extension (PBX dial-in; a method of receiving a subscriber number from NTT and assigning it to the extension so that the subscriber number is directly dialed). Then, the communication path is secured by the response of the extension terminal, and the communication between the two is enabled.

In order to make a call from an extension line to an outside line, the central control unit 14 searches for an empty one of the trunk circuits 12-1 to 12-n by a call operation of an extension terminal, and a call is made using this empty trunk circuit. Make a call and dial the central office. Then, when it is connected to the other party via the central office, communication becomes possible. Between the extensions, the extension number is received from the calling extension, the incoming line is controlled to the line circuit of the extension number, and the connection terminal of the line circuit responds to secure the communication path and enable communication.

The above is an example of the basic operation of the function as a general PBX. In addition to such a function, the present system has a function of transmitting a desired message by voice in response to an incoming call to a specific extension. Since this is given, this point will be explained. In the following, an example of registering a message from the computer terminal (or maintenance terminal) 3 and activating the incoming call service will be described. If the extension phone is a normal analog phone, you cannot activate the menu or enter characters. Therefore, in this case, setting registration is performed from the computer terminal (or maintenance terminal) 3.

In this case, first, the computer terminal 3 is activated and keys are operated to exchange commands with the central controller 14 to open the work menu. As a result, the work menu sent from the central control unit 14 is displayed on the display of the computer terminal 3. A desired item is designated from these by key operation.

If an item for registering a talk message for a certain extension is selected, a menu screen for registering a message is opened as shown in FIG.
Since there is an item for registering the extension number and the message contents in this menu, key in the data of the extension number, and then key in the character string of the message contents. As a result, the central control unit 14 registers these pieces of information in the memory 15.

When the message registration is completed, the central control unit 14 controls to display the service content setting registration menu screen as shown in FIG. As a result, the display on the display of the computer terminal 3 changes to a menu screen for registering the service corresponding to the message, as shown in FIG. Then, the desired service number is next keyed in and confirmed, and the central controller 14 registers this information in the memory 15. This completes the preparation. Then, the message is transmitted according to the registered condition determined by the service number.

Next, the transmission of the talk message will be described.
If the registered service number is a service number indicating an answering machine function, the central controller 14 controls the extension phone to operate the answering machine function. Therefore, when there is an incoming call to the extension for which the message is registered, the central control unit 14 controls the incoming call to that extension and rings the ringer. Check whether the service is registered for the extension telephone.

In this case, since the answering machine function is registered, the contents of the message (character) registered in the memory 15 as the answering machine reply message of the extension are read out and given to the voice synthesizer 17. The voice synthesizing device 17 synthesizes the data string of the given character so as to produce a sound of each character set in advance, and sends it to the exchange circuit 11. Since the central controller 14 forms the communication path of the switching circuit 11 so as to send the output of the voice synthesizer 17 to the caller side, the synthesized voice signal is transmitted to the other party's telephone terminal, and the caller makes a voice call. You can listen to messages. A more specific description will be given. FIG. 4 is a diagram showing the flow of control when the answering machine is selected from the menu of FIG. 3, which will be described below. When a message is registered, the registered contents are stored in the Toki service flag table and extension service / message registration table in the memory 15.

FIG. 5 is a talk service flag table, in which extension numbers and flags indicating whether or not toki service is to be carried out for each service are set to carry out the service. It is used to determine whether or not. In the talk service flag table, “0” is a flag of “not implemented” and “1”
Indicates that the flag is “execute”. Figure 6
Is a service / message registration table for each extension, which stores the extension number and the contents of the talk (voice) for each service.

First, when the menu shown in FIG. 2 is opened, an extension number “3000” and a message “Taidai XX to Geishtsu Shite Imasuno de Oisoguinokataha 0425-3280 Hedenwa Shitaku Dasai” are registered, and then the item registration menu of FIG. 3 is registered. Suppose that you registered as an answering machine at the stage when was opened.

By these settings, the talkie service flag table and the extension-by-extension service / message registration table are respectively set. These are set when there is an incoming call to the extension or when there is no response for a predetermined time.
The central controller 14 refers to start the service.

That is, to explain according to the flow of FIG. 4, when there is an incoming call at the extension number "3000" and there is no answer (s
1) The central control unit 14 checks whether the telephone call execution flag is set in the answering machine service of the extension number "3000".
(s2), If the talkie execution flag is set, the extension number "30
The character data of the message registered in the answering machine service of "00"("Tadima XX to Geishtsu Shite Imasuno de Oisoguinokataha 0425-3280 Hedenwa Shita Denshi Sai") is sent to the voice synthesizer 17 as control data (s3). The central controller 14 connects the voice synthesizer 17 and the line of the called party (s4).

In the digital PBX, the communication path is performed by using the time slot determined with the connected partner.
The time slot corresponding to the voice synthesizing device 17 and the time slot corresponding to the called party (in the case of an incoming call from the outside, the trunk circuit of the station line used for the incoming call) are used to secure the communication path. The voice synthesizer 17 converts the received character string into voice and sends it to the time slot. As a result, the voice-synthesized message (talkie) can be heard by the other party (service activating person) who has received the extension registered with the message. In step s2, when the talk action flag is not set, the normal incoming call operation is continued (s5).

As described above, the telephone answering machine connected to the private branch exchange system can be used with the answering machine response function, which has been conventionally impossible in the exchange. In an environment where the telephone is used by an individual, the usage pattern of an answering machine is extremely high, and such needs are increasing, so that it is possible to sufficiently meet the demands of the times. become.

Further, in this system, in addition to the answering machine, various service functions such as a designated time call, call forwarding, call forwarding, and response delay forwarding are registered and conditions are set for each extension. As a result, when the function is performed, the registration message can be transmitted to the other party by voice, and more detailed and kind correspondence can be provided to the user.

As described above, by registering a message with the character data in correspondence with the extension number from the computer terminal or the multifunction telephone connected to the exchange, and by setting the message sending condition, the extension registered with the message is registered. When there is an incoming call or when the setting conditions are met, the character code of the registration message is read, the code is converted into a voice band sound by voice synthesis, and the voice is sent to the other party who should receive the message transmission service. Therefore, even an extension telephone connected to the private branch exchange can transmit its own message to the other party by voice, and can transmit an appropriate message according to its own situation to the other party.

The present invention is not limited to the embodiment described above and shown in the drawings, but can be modified and implemented within the scope of the invention without changing the gist thereof. Although an example in which the setting is performed by a computer terminal (or a maintenance terminal) is shown, the setting can also be performed by an electronic key telephone (multifunctional telephone) connected to an extension as an extension terminal.

For example, in this case, as shown in FIG. 7, the electronic key telephone includes a handset 71 and a liquid crystal display 7
2, there are dial keys 73, function keys 74, etc.,
It can be used as a digital input / output operation terminal instead of a computer terminal. When using an electronic key telephone as a digital input / output operation terminal, go off-hook and dial a predetermined special number for message registration.

If the control program of the central controller 14 is configured so that the corresponding work menu can be opened by this special number operation, the central controller can be operated by this special number operation.
The control unit 14 controls the liquid crystal display 72 of the electronic key telephone 70 to display a message registration menu as shown in FIG. 2, so that the electronic key telephone 70 displays the message registration menu shown in FIG. To display the menu for.

The user of the electronic key telephone 70 operates to register the extension number "3000" and the message content. The extension number is operated by the button operation of the dial key 73, the message content is in the state of waiting for a message input, and the central control unit 14 is used to input numeric characters, katakana (or hiragana),
Display the function selection items such as edit, confirm, end, etc. in the bottom column of the display (assuming the display has a display capacity of multiple lines), and press the number or function key from the electronic key telephone 70. By specifying either, the function can be selected.

If the message "wait for input" is registered and the message "Taiday XX to Geishtsu Shitaimasuno de Oisoguinokataha 0425-3280 Heden Washi Techidai" is registered, the katakana is first selected.

As a result, the central control unit 14 selects a list of the Japanese syllabary head characters for selection such as katakana "a", "ka", "sa", "ta", "na" ,. The electronic key telephone 70 is controlled to be displayed on the display together with the number. If it cannot be displayed, it is switched to the next page by issuing a command to switch to the next page. Then, the user next selects the item "ta" to select "ta" of "tadaima".

As a result, the central controller 14 controls the display so that all the lines and the dakuten are displayed together with the number for selection. Therefore, "ta" is selected to perform the confirmation operation, and then the list of the Japanese syllabary head characters Then, "ta" is selected again, and all the rows and the dakuten are displayed. Select "ta" and "dakuten" to confirm the operation.

Similarly, when the "A" line is selected next and the list of A lines is selected, "I" is selected from the list to confirm the operation, and then the "Ma" line is selected. If a list of lines is selected, select "ma" from the list to confirm.
With such an operation, "Tadaima" can be input.

When the above operation is repeated and the input of the desired character string is completed, when the end operation is performed, the central controller 14
Controls to display the service type registration menu next. As a result, the service type registration menu as shown in FIG. 3 is displayed on the liquid crystal display 72 of the electronic key telephone 70. If you want it to function as an answering machine, press the dial key 73 of the electronic key telephone 70. Operate and enter "1" which is the number for selecting "answering machine". As a result, the function is registered as "answering machine".

After completing such registration, if the central control unit 14 receives an incoming call at extension "3000" and the extension does not respond even if the bell rings for a predetermined number of times,
The response message character string for extension "3000" is read from the memory 15, given to the voice synthesizer 17 to convert the character string data into a voice signal corresponding to the character string, and the voice signal is sent to the calling side. Have them listen to the message.

In this way, the response message can be set by the electronic key telephone, and the calling party can hear the set response message.

[0061]

As described in detail above, according to the present invention,
By registering the message with the extension data corresponding to the character data and setting the message sending condition, if there is an incoming call to the registered extension or if the setting condition is satisfied, the character code of the registered message is read and the Since the code is converted to sound in the voice band by voice synthesis and sent to the person who should receive the service by voice, the user using the personal extension telephone sets the desired conditions, Even if it is an extension telephone connected to a private branch exchange, such as being able to convey the message to the person who should receive the message transmission service, that is, the person who made the call or the desired person, the message of the user of the extension telephone is displayed. It is possible to provide an electronic exchange system that enables transmission to the other party.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an electronic exchange system according to the present invention.

FIG. 2 is a diagram showing an example of a menu screen for message registration.

FIG. 3 is a diagram showing an example of a menu screen for registering a service name corresponding to a message.

FIG. 4 is a flowchart showing a control flow.

FIG. 5 is a diagram showing a flag table for checking whether to carry out a torch service.

FIG. 6 is a diagram showing an extension-specific service / message registration table.

FIG. 7 is a diagram showing a configuration of an electronic key telephone.

[Explanation of symbols]

1 ... Exchanger main body, 2 ... Standard telephone terminal such as telephone and electronic key telephone, 3 ... Computer terminal, 4-1 to 4-n ... Station line, 11 ... Exchange circuit, 12-1 to 12-n ... Trunk circuit , 13 ... Line circuit (subscriber circuit), 14 ... Central control unit, 15 ... Memory, 16 ... Digital terminal circuit, 17 ... Speech synthesizer.

Claims (4)

[Claims] 1. An electronic exchange system for accommodating an extension line and a local line, and for exchanging and connecting the accommodated lines to each other, a voice synthesizing means for generating a voice signal corresponding to the character data, and inputting the voice signal. Storage means for registering a message by storing character data of a message corresponding to an extension, input means for inputting character data of a message and extension number information, and input information from this input means is stored in the storage means. In addition to controlling as much as possible, for the extension registered as a message,
When the extension is not answered when there is an incoming call, the character data of the message corresponding to the incoming extension is read from the storage means and given to the voice synthesizing means, and the output voice signal of the voice synthesizing means is sent to the incoming call. An electronic exchange system, comprising: a control means for controlling to output to a transmission source. 2. When the extension telephone has a character display and keys and is a multi-function telephone having a function of transmitting and receiving data including characters by key operation, this is used as the input means and data with the control means is used. 2. The electronic exchange system according to claim 1, wherein the message registration is performed by giving and receiving. 3. The electronic exchange system according to claim 1, wherein a computer terminal is used as the input unit, and the message registration is performed by exchanging data with the control unit. 4. An electronic exchange system for accommodating an extension line and a local line, and for effecting an exchange connection between the accommodated lines, a voice synthesizing means for generating a voice signal corresponding to the character data, and an input. Means for storing character data of a message to be stored corresponding to an extension and registering a message including a message sending condition to be set, input means for inputting character data of the message, extension number information and message sending condition, and this input means The input information from the storage means is controlled to be stored in the storage means, and when the message transmission condition in the extension registered as the message is satisfied, the character data of the message corresponding to the extension corresponding to the incoming call is read from the storage means and the voice synthesis is performed. The output of this voice synthesis means Electronic exchange system constituted by a control means for controlling so as to output a voice signal to the target party should receive service.