KR19980014124A - ANNOUNCEMENT SERVICE APPARATUS IN A SWITCHING SYSTEM IN AN ELECTRONIC EXCHANGE - Google Patents

Abstract

The present invention relates to an announcement service apparatus in an all-electronic exchange, in which an address in which a service message to be currently provided is stored is stored in an address storage unit 152 in the order of a time slot channel, , And checks the address storage unit 152 to check which type of guidance message is currently being served for each time slot channel at any time

Description

The announcement device in the electronic exchanger

1 is a schematic block diagram of an electronic exchanger including an announcement apparatus according to the present invention;

FIG. 2 is a block diagram of the announcement broadcasting apparatus according to the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

100, 200: connection switching subsystem 110: subscriber matching section

120: trunk line matching unit 130: time switch

140: local data link 150: announcement device

300: interconnection network subsystem 310, 320: central data link

330: Space switch 400: Central control subsystem

151: announcement control unit 152: address storage unit

153: Guide message storage unit 154: P / S conversion unit

155:

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an announcement apparatus for an announcement message in an exchange, and more particularly, to an announcement message broadcast apparatus for informing a sender of a failure condition of a call connection occurring during call processing in an exchange.

In general, an all-electronic exchanger has a plurality of distributed Access Switching Subsystems (ASSs) that perform most call processing functions such as subscriber matching, trunk matching, time-divisional time-slot interchanging, And a central control subsystem (CCS) responsible for operation and maintenance, network management, test measurement and billing, and each connection exchange subsystem or each connection exchange subsystem and a central control subsystem (INS) that performs space switch networking, number translation and relay routing control,

stem.

On the other hand, the announcement service in the exchanger serves Fixed Announcement and Mixed Announcement.

Fixed announcement is a basic voice service of the exchange. It is a basic voice service of the exchange. It is a message related to a special service such as a notification message for informing the caller of a failure condition of a call connection occurring during call processing, You can notify the designated time, the number change guide, the station number unjust number guide, the number unlit number of the subscriber number, the call stop guide, the failure diagnosis guide, the dial delay guide, the link trouble guide, the call prohibition guide, A channel congestion notification message, and the like, and the editable announcement broadcast is an additional special announcement broadcast service provided at the request of the user.

FIG. 1 is a schematic block diagram of an electronic switching system including the fixed broadcast system. Referring to FIG. 1, a plurality of connection switching subsystems 100-200, an interconnection network subsystem 300, a central control subsystem 400 ).

The plurality of connection switching subsystems 100-200 includes a subscriber matching unit 110 to which a plurality of general telephone sets or public telephones are connected and matched and a trunk line matching unit 110 for matching trunks for relay between other switching centers, Output terminal 110 and the time switch and the connection and disconnection between the subscriber matching unit 110 and the trunk line matching unit 120 and the local data link 140 and the announcement apparatus 150, And a time switch 130 for performing an interchange function of time slot data.

In addition, the local data link 140 performs a high-speed data link over an optical link to connect with the interconnection network subsystem 300, and the announcement device 150 may perform a call processing failure situation, And processes guidance messages related to special services such as designated time notification.

In the connection switching subsystem 100-200 having such a configuration unit, there is an unillustrated upper processor for controlling the constituent units as a whole, and the lower processors in the respective constituent units perform respective functions under the control of an upper processor, The matching with the switch 130 is performed by a PCM (Pulse Code Modulation) sub-highway cable in which time-divided time-slot data with a predetermined number of channels exists in one frame sync.

Particularly, the guide broadcasting apparatus 150 matches the time switch 130 with two time-divided subways each having 64 channels to accommodate a total of 128 channels to perform the announcement broadcasting service.

Meanwhile, the interconnection network subsystem 300 performs a connection between all of the connection switching subsystems 100 and 200 connected in the switchboard, performs number translation and trunk line routing, The data link switching module 310 space-divides the time slot data from the central data link 310-320 via the local data link 140 and the local data link 140 for the optical fiber link, To the local data link 140 .. of the connection switching subsystem 100-200.

The central control subsystem 400 is connected to the interconnected network subsystem 300 and performs functions such as maintenance and billing of the exchange.

Meanwhile, the interconnection network subsystem 300 and the central control subsystem 400 also perform their functions under the control of an unillustrated upper processor, not shown, in the respective components.

The announcement apparatus 150 in the exchange having such a structure reads the related guidance message for the above-mentioned special service to the subscriber's telephone connected to the plurality of subscriber-stations 110 .. in response to the situation, And transmits the voice message to the corresponding subscriber's telephone through the voice mail server 130 .. The subscriber has a function of accepting and storing a voice message from the outside in order to modify or add the message.

On the other hand, in the conventional exchange, when the announcement service is provided, it is stored as to which announcement message a total of 128 announcement channels are currently serviced, that is, which announcement message is served by the subscriber receiving the announcement service There is a problem that it can not be confirmed which broadcasting service is currently being performed on a certain channel.

Accordingly, an object of the present invention is to use a message type corresponding to a channel currently being serviced to be stored in a predetermined memory so as to be used as an address to read out a guidance message and to read the address, So that a message type corresponding to a channel can be checked at any time.

An announcement apparatus in an all-electronic exchanger according to the present invention is an apparatus for servicing an announcement message in an electronic exchanger, and outputs an address of a corresponding announcement message to be serviced based on a control signal from the outside, A guidance broadcast control unit for reading out the guidance messages in order of channels and allocating them to time slot channels and outputting them, and for reading out the stored addresses to check the kind of guidance messages corresponding to the channels, A guidance message storage unit for reading the corresponding message corresponding to the address from the address storage unit based on the control from the guidance broadcast control unit; Based on the control of the announcement control unit, Serial conversion unit for converting the voice data from the parallel / serial converter into serial voice data and outputting the voice data from the parallel / serial converter under the control of the announcement control unit, and sequentially outputting the voice data to the time slot channel And an output unit.

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

FIG. 2 is a block diagram of an information broadcasting apparatus according to the present invention. The information broadcasting control unit 151 includes an address storage unit 152, a guidance message storage unit 153, a bottleneck / serial conversion unit 154, 155).

In the figure, the announcement control unit 151 outputs the address of a corresponding guidance message to be served in order of channels based on a control signal from an upper not-shown upper processor, and stores it in an address storage unit 152 And the address stored in the address storage unit 152 is transmitted to the guidance message storage unit 153, which will be described later, in order of channels, so that the guidance messages are read out in chronological order to be allocated to the time slot channels and output.

In order to check which guidance message is currently being served on which channel, the announcement controller 151 transmits an address of the guidance message, which is currently being served, to an address storage unit 152, And confirms the information message currently being serviced.

On the other hand, the address storage unit 152 is a means for storing the presently-served guide message in channel order, and the address is stored in the announcement control unit 151 or the guidance message storage unit 151 under the control of the announcement control unit 151. [ (153).

The guidance message storage unit 153 stores a predetermined number of guidance messages in the order of the guidance message numbers. Based on the control of the guidance broadcast control unit 151, the guidance message storage unit 153 stores the guidance information corresponding to the address from the address storage unit 152 Read the message.

Also, the bottle-serial conversion unit 154 converts the voice data from the guidance message storage unit 153 into a serial voice data under the control of the announcement control unit 152 and outputs it.

Finally, the output unit 155 outputs the audio data from the p / s converter 154 in synchronization with the frame sync signal from the time switch 130 and the reference clock signal under the control of the announcement control unit 152 And outputs it to the time switch 130 in the time slot channel.

Next, the operation process of the present invention including the above-described components will be described in detail.

First, if the guide messages are stored in the guide message storage unit 155 in the order of the number, the exchange transmits the guide message to the corresponding subscriber's phone according to the situation and performs announcement broadcasting. .

The announcement control unit 151 reads guidance messages on the basis of control signals of an upper processor (not shown). First, the addresses in which the guidance messages are stored are output to the address storage unit 152 in order of time slot channels .

Next, the announcement control unit 151 reads the addresses stored in the address storage unit 152 for each channel, and the read addresses are sequentially applied to the guidance message storage unit 153, i.e., in order of time slot channels.

Then, based on the control of the announcement control unit 151, the guidance message storage unit 153 reads the corresponding guidance message corresponding to the address from the address storage unit 152 and applies it to the bottle-serial conversion unit 154 .

Next, the parallel / serial converter 154 converts the applied parallel voice data under the control of the announcement controller 151 to serial voice data, and then the parallel voice data is applied to the output unit 155.

Next, the output unit 155 outputs the frame synchronization signal from the time switch 130 and the audio data from the bottle-and-serial conversion unit 154 in synchronization with the reference clock signal, based on the control of the announcement control unit 151 To the time switch 130 through the sub highway cable.

Then, the time switch 130 receiving the sub-highway, which is a plurality of announcement message channels, transmits a corresponding announcement message to the corresponding subscriber's telephone based on the time slot interchange, and the subscriber listens to the announcement message to the subscriber, The connection state can be known.

Since the address storing unit 152 stores the address information of the information message currently being served, the announcement controlling unit 151 reads the address stored in the address storing unit 152, It is possible to confirm whether the guidance message is being serviced.

As described above, according to the present invention, there is an effect that the kind of the information message currently being served in the entire electronic exchange can be easily identified for each channel.

Claims (1)

An apparatus for providing a guide message service in an electronic switching system, comprising: a controller for outputting and storing addresses of corresponding guidance messages to be serviced based on a control signal from the outside in the order of channels, reading the guidance messages in order of channels, A guidance broadcast control unit 151 for reading out the stored address to check the type of the guidance message corresponding to the channel and controlling the display of the guidance message from the guidance broadcast control unit 151 to the channel order A guidance message storage unit 152 for reading a corresponding message corresponding to an address from the address storage unit 152 under the control of the guidance broadcast control unit 151, 153), and audio data from the guidance message storage unit (153) under the control of the announcement control unit (151) Serial conversion unit 154 for converting the audio data into serial data and outputting the data and outputting the audio data to the time slot channel in accordance with the control of the announcement control unit 151 And an output unit (155) for outputting the information.