KR20000008488A - Switching board providing self voice mail service - Google Patents

Abstract

PURPOSE: A switching board is provided to supply a self voice mail service without relying on an external type voice mail service device. CONSTITUTION: A Voice Mail Service(VMS) function controlled by a main processor in a switching board is composed of: a VMS subscriber registering / deleting function; a VMS connecting and disconnecting function; and a VMS subscriber information and message information deleting function. Herein, the VMS connecting function is divided into a save function which connects an ordinary subscriber to a VMS board(108) when the ordinary subscriber calls to a subscriber registered to the VMS while the corresponding subscriber is out or the line is busy and a confirm function which is for the VMS registered subscriber to check a message left to the subscriber.

Description

Switchboard that can provide voicemail service on its own

The present invention relates to an exchange that can provide a voice mail service (Voice Mailing Service), and more particularly, to an exchange that can provide a voice mail service itself without a separate external device.

Until now, voicemail service has been provided by an external voicemail service device which is separately installed outside the exchange. That is, when the voice mailbox service device is connected to an input / output terminal such as RS-232C provided in the exchange, and the voice mail service is to be provided for a call generated from the subscriber, the exchange is a voice mail service device for the subscriber. You will need a voice mail service. Accordingly, the voice mailbox service device was directly connected through a call path and a network set for the subscriber without providing control to the exchange to provide a corresponding voice mail service.

Such a conventional voice mail service device is implemented to be operated separately from the exchange, and thus, if any subscriber wants to register or release a voice mail service, it is a hassle to provide the information directly to the voice mail service operator. But it could not share the subscriber's information managed at the exchange. In addition, the existing voicemail service device is implemented in a form suitable for an exchange that accommodates a large number of subscribers, and thus, when used in a small-capacity exchange, the operation efficiency is relatively lowered. This is because the voice mail service device installed in the case of the small-capacity exchanger cannot be utilized to the maximum.

The present invention has been made to solve the above problems, and an object thereof is to provide an exchange that can provide a voice mail service on its own without relying on an external voice mail service device.

In order to achieve the above object, an apparatus according to the present invention, in a small-capacity exchanger, is provided with a single board structure to provide a voice mail service board for providing a voice mail service; A time switch for connecting a channel between the voicemail service board and the subscriber who requested the service; As a result of analyzing the call request by a predetermined calling party, pulse code modulation data and dual port multi frequency (DTMF) data can be transmitted and received between the calling party and the voice mail service board when the voice mailbox service is to be provided. It controls the time switch so as to provide the command for the voicemail service to be provided according to the request and information related to the subscriber, and checks the status of the voicemail service board by receiving the performance result of the voicemail service board. And a lower processor configured to transmit and receive data between the upper processor and the voice mail service board.

1 is a block diagram of an exchange according to the invention,

FIG. 2 is a detailed block diagram of the voicemail service board shown in FIG. 1.

<Description of the symbols for the main parts of the drawings>

102: subscriber telephone 104: subprocessor (LP)

106: Upper processor (MP) 108: Voicemail service (VMS) board

110: time switch

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an exchange according to the present invention, and is an example applied to a small capacity exchange such as a private exchange. Referring to FIG. 1, the switch according to the present invention includes a subscriber phone 102 that can be used by a general subscriber or a VMS registered subscriber, an upper processor that controls not only the existing switch function but also the VMS function itself. Processor (also referred to as MP) 106, a voice mailing service (VMS) board 108 embodied in a board structure, matching between the upper processor 106 and the VMS board 108, and a subscriber telephone ( 102, a lower processor (also referred to as a Line Processor (LP)) 104 that performs a matching process between the upper processor 106 and the upper processor 106 to control the connection between the VMS board 108 and the subscriber telephone 102 It is composed of a time switch 110.

The VMS function controlled by the upper processor 106 in the configured exchange includes the VMS subscriber registration / deletion function, VMS connection and release function, VMS subscriber information and message information deletion function, among which VMS subscriber connection function is largely stored. It is divided into (SAVE) function and CONFIRM function. The storage function sends a greeting to the general subscriber from the VMS board 108 when the general subscriber calls the VMS registered subscriber and connects the general subscriber and the VMS board 108 because the subscriber is absent or busy. If the regular subscriber leaves a message to the VMS registered subscriber, the message is saved and the confirmation function is used when the VMS registered subscriber checks the message left to him. This includes.

Therefore, when the upper processor 106 is authorized that the general subscriber has requested a call to the subscriber telephone 102 through the lower processor 104, the upper processor 106 analyzes the authorized called subscriber number. As a result, if it is determined that the called subscriber is a VMS registered subscriber in the absence or busy state, and there is an idle channel among the available channels of the VMS board 108, the upper processor 106 is connected to the subscriber telephone 102 of the general subscriber. Control the time switch 110 to be connected to the VMS board 108 and at the same time the channel information of the general subscriber and the corresponding VMS registered subscriber information and service request command to provide the VMS board 108 through the subprocessor 104 To send). At this time, the VMS registered subscriber information transmitted from the upper processor 106 to the VMS board 108 is the location, month, and the like where the message is to be stored. The date, hour and minute information is included and transmitted.

If there is no use channel in the VMS mode 108, the VMS function cannot be provided, and thus, the upper processor 106 provides the subscriber with the same function as the ordinary telephone, i.e., if it is absent, the ringback tone is transmitted to the lower processor. And transmits the busy tone to the subscriber telephone 102 through the lower processor 104 if it is busy. In addition, when the VMS registered subscriber requests confirmation through the subscriber phone 102, the upper processor 106 sets the time switch 110 so that the VMS registered subscriber subscriber phone 102 and the VMS board 108 are connected. Simultaneously with the control, the VMS registered subscriber information and required service information are transmitted to the VMS board 108 through the lower processor 104.

As shown in FIG. 2, the VMS board 108 includes an L bus interface unit 201, a control unit 202, a VMS registered subscriber information storage unit 203, an announcement / voice message transmitter 204, and an announcement broadcast data memory. 205, a sub-high way interface unit 206, a PCM data receiving unit 208, a digital signal processor 209, and an interface unit 210, which are configured from the upper processor 106. The VMS function is performed by analyzing the received service request command, VMS registered subscriber information and channel information.

That is, the L bus interface unit 201 enables communication with the upper processor 106, and when the channel information, VMS subscriber information, service information, etc. are received from the upper processor 106 through the lower processor 104, the control unit. The processor 202 transmits the result of the service execution from the controller 202 to the higher processor 106 through the lower processor 104. Accordingly, the upper processor 106 can determine the current state of the VMS.

The controller 202 analyzes the authorized service request command, channel information, subscriber information, and the like and controls each function block in the VMS board 108 so that a corresponding service can be provided.

The VMS registered subscriber information storage unit 203 manages information of VMS registered subscribers, and for each subscriber, an extension number, a password, the number of recorded messages, a memory location where a message is recorded, recorded message information, and a greeting are recorded. Information such as memory location.

The announcement / voice message transmitter 204 is a variety of messages generated in accordance with the VMS progress to the subscriber telephone 102 connected to the VMS board 108 through the time switch 110 according to the command output from the controller 202. Controls the output. That is, when the announcement message transmission command is received from the controller 202, the announcement data storage unit 205 is controlled to output the corresponding announcement data (or message), and the VMS registered subscriber listens to the recorded message. In this case, the voice message memory 207 is controlled to transmit the corresponding recorded message.

The announcement data memory 205 stores a announcement message for notifying the VMS progress status and the recorded message status by dividing the storage area into a common storage area and a storage area for each subscriber. For example, a message indicating the progress of a VMS such as "Please press * after recording a message" is stored in a common storage area, and the details of the recorded message for each subscriber (for example, ○ month ○ day ○ Recorded message at hour ○ minutes) is stored in each subscriber's storage area. The stored information is read out by the control signal transmitted from the announcement / voice message transmitter 204 and output. The output data has an 8-bit Pulse Code Modulation (PCM) data structure and is transmitted to the subhighway interface unit 206.

The voice message memory 207 records a voice message that another subscriber wants to convey to the VMS registered subscriber, and the recorded voice message is provided from the controller 202 and written. The voice message written in this way is read and output by the voice message transmission control signal provided from the announcement / voice message transmitter 204. Voice messages output at this time are also output in 8-bit PCM format. The output PCM data is transmitted to the subhighway interface unit 206.

The subhighway interface unit 206 serves to interface between the VMS board 108 and the time switch 110, and is an 8-bit parallel PCM output from the announcement data memory 205 and the voice message memory 207. The data is converted into serial data and transmitted to the time switch 110, while the serial PCM data received from the time switch 110 is converted into 8-bit parallel and transmitted to the PCM data receiving unit 208.

The PCM data receiver 208 stores DTMF (Dual Tone Multi-Frequency) and PCM data transmitted from the subscriber telephone 102 through the time switch 110 and the subhighway interface 206 for each channel. The DTMF and PCM data stored as described above are read out from the signal processor 209 and the controller 202 for each channel.

The interface unit 210 transmits and receives data between the signal processor 209 and the controller 202. When the channel information receiving the DTMF signal is received from the controller 202, the interface unit 210 transmits the data to the signal processor 209. When digit information corresponding to the corresponding DTMF signal is applied from the signal processing unit 209, the signal processing unit 209 transmits the digit information to the control unit 202. The signal processor 209 reads information of a corresponding channel among information stored in the PCM data receiver 208 by channel information transmitted from the interface unit 210. Only the DTMF signal is detected from the read information, and the digit information corresponding to the detected DTMF signal is transmitted to the interface unit 210.

The VMS board 108 configured as described above, when the storage function is performed, the control unit 202 analyzes data transmitted from the L bus interface unit 201 and uses the analyzed data to register the VMS registered subscriber information storage unit 203. Refer to the information on the corresponding VMS registered subscriber stored in the, and controls the announcement / voice message transmitter 204 using the referenced data. Since the announcement / voice message transmitter 204 should provide the announcement broadcast to the general subscriber when the initial storage function is performed, the read control signal for outputting the corresponding message stored in the common area of the announcement data memory 205. Outputs Accordingly, the announcement data memory 205 outputs the corresponding announcement message to the subhighway interface unit 206. The announcement message thus output is provided to the subscriber telephone 102 through the time switch 110.

When the general subscriber who listens to the announcement via the subscriber phone 102 inputs a predetermined voice message, the input voice message is received through the time switch 110 and the subhighway interface 206 through the PCM data receiver 208. Is sent). The PCM data receiver 208 stores the authorized voice message in the corresponding channel. The stored message is read by the channel information transmitted through the interface unit 210 and the signal processor 209 and transmitted to the controller 202. The controller 202 transmits the authorized PCM type voice message to the voice message memory 207 and stores the voice message in the storage area of the subscriber. At this time, the storage area is designated as a location identified by the subscriber information stored in the VMS registered subscriber information storage unit 203.

On the other hand, if you want to check only the message details of the confirmation function, the control unit 202 of the VMS board 108 controls the announcement / voice message transmitter 204 to the area of the subscriber of the announcement data memory 205 Controls the stored message detail information to be read. Accordingly, the message read out from the announcement data memory 205 is provided to the subscriber telephone 102 through the subhighway interface unit 206 and the time switch 110. When the corresponding voice message is to be checked among the confirmation functions, the controller 202 of the VMS board 108 controls the announcement / voice message transmitter 204 to store the corresponding voice stored in the voice message memory 207. Causes the message to be read. The read voice message is provided to the subscriber telephone 102 through the subhighway interface 206 and the time switch 110.

VMS registration or deregistration of any subscriber is performed by the upper processor 106 through the lower processor 104 to the VMS board 108 through the lower processor 104 when the subscriber requests through the subscriber phone 102. You will be asked. Accordingly, the control unit 202 in the VMS board 108 stores the subscriber information by allocating the area of the subscriber to the VMS registered subscriber information storage unit 203 at the time of registration for the subscriber, and at the time of release, registers the subscriber information. The subscriber's information stored in the storage unit 203 is released.

Although the above-described embodiment has been described by way of example only with one voicemail service board, it may be implemented to include a plurality of voicemail service boards.

As described above, the present invention provides a voicemail box for a subscriber who has a voicemail service function and is provided in the exchange, and the voicemail board provided is interlocked with an upper processor, a lower processor, and a time switch in the exchange. By implementing such a service, it is not necessary to install a separate voice mail service device, and can be provided with a voice mail service device suitable for the capacity of an exchange, so that a voice mail service device having an inappropriate capacity may be generated. Operational inefficiency can be prevented, information on subscribers can be shared with the exchange, and voice mail service can be provided through the exchange without going through a separate network. In addition, the process of performing the voicemail service can be monitored by a higher processor, so that there is an effect of quickly coping with a failure on the voicemail service board.

Claims (1)

For small capacity exchanger, Voice mailbox service board means having at least one voice mail service board provided in a single board structure to provide a voice mail service; A time switch for connecting a channel between the voicemail service board and the subscriber who requested the service; As a result of analyzing a call request by a predetermined calling party, when the voicemail service is to be provided, pulse code modulation data and dual port multi frequency (DTMF) data are provided between the predetermined calling party and the voicemail service board. Controlling the time switch to transmit and receive and at the same time provides a command for the voicemail service to be provided according to the call request and information related to the subscriber, and receives the performance result of the voicemail service board An upper processor for checking a state of the voice mailbox service board; And a lower processor configured to transmit and receive data between the upper processor and the voice mailbox service board.