JPH05227304A - Automatic reply message transmission control system - Google Patents

Abstract

PURPOSE:To realize non-block connection to a talkie trunk to which an incoming call arrives by eliminating the need for the extension of the talkie trunk attended with the extension of an external line in an exchange sending automatically a voice message after automatic reply. CONSTITUTION:A same voice message is endlessly outputted to plural output ports P1-P8 of a talkie trunk 3 sequentially while being shifted by the same time, and when the arrival of a call is detected by an external line trunk 1, an output port from which a start of the voice message is outputted after a shortest time from the point of time of detection of an incoming call is selected among the plural output ports P1-P8 based on an output to each of the plural output ports P1-P8 by a phase counter 6, the incoming external trunk 1 is connected to the output port and the call is replied automatically and the voice message is sent to the external line receiving the call. Since plural incoming external lines are connected to the plural output ports P1-P8 of the talkie trunk 3, number of the output ports is constant independently of number of external lines and non-block connection is attained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission control system for a voice message of a digital private branch exchange having a function of automatically responding to an incoming call from an external line and transmitting a voice message prepared in advance to the external line. It is about.

[0002]

2. Description of the Related Art A digital type private branch exchange having a function of sending a voice message to an incoming outside line usually has a digital talkie trunk equipped with a torch sound source ROM in which a voice message is digitally recorded. When an incoming call is detected, the incoming call is automatically answered and then
The time division switch is controlled to connect the digital talkie trunk to the external line trunk that received the incoming call, so that the voice message is sent to the incoming external line.

In such a private branch exchange, conventionally, when an incoming call occurs on an outside line, a vacant output port is selected from the voice message output ports of the digital talkie trunk (usually, a plurality of output ports are provided). It connects to the incoming external trunk and outputs a voice message to the output port from the beginning.

[0004]

According to the above-mentioned conventional automatic response message sending control method, only one incoming external line can be connected to the output port of the digital talkie trunk, and the voice to the output port can be connected. The sending of the message must be started upon detection of the selection of the output port and the end of the voice message should release the capture of the output port. In other words, if another external line is connected to an output port to which an external line is already connected and a voice message is being sent, the voice message will be sent to the other external line in the middle of the output message. This is because if the voice message is always output to the output port regardless of the above, the voice message is not sent to the outside line from the beginning.

Therefore, according to the prior art, not only the output control of the voice message from the output port of the digital talkie trunk becomes extremely complicated, but also when all the output ports of the digital talkie trunk are in use, an external call is received. , Response to the incoming call (sending voice message)
Will be waiting and service will be reduced. Further, in order to eliminate the waiting time for the above response, it is necessary to provide the number of output ports of the digital talkie trunk as many as the number of external lines, and it is necessary to add the digital talkie trunk or its output port each time the extension line trunk of the private branch exchange is added. Yes, or requires a digital talkie trunk from the beginning with output ports commensurate with the maximum number of external trunks installed.

The present invention is intended to solve the above problems, and the number of output ports of the digital talkie trunk may be constant regardless of the number of external lines accommodated (the number of external line trunks mounted) (thus, the external line trunk). It is an object to obtain an automatic response message sending control method that does not require the addition of a digital talkie trunk even if the number of calls is increased) and does not cause a response waiting for an incoming external line (so-called non-block connection can be realized). It is what

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is to output the same message repeatedly from the torch sound source of a digital torch trunk to a plurality of output ports by shifting the same time each other for the same time. When an incoming call is received and is detected, an output port of the output port of the Toki Trunk where the voice message start part is output after the shortest time from the time when the incoming call is detected. Output port) to be connected to the selected output port and to automatically respond to the received external line.

Specifically, in the control of the digital talkie trunk, by issuing a voice message sending start command to the digital talkie trunk at every pre-measured voice message duration, continuous playback as if playing an endless tape. To output the same voice message, and the voice message transmission start command is shifted for a certain period of time for each of the output ports of the digital talkie trunk so as to output the same to each other. Voice messages that are shifted by the same time are output.

[0009]

[Function] Since the same voice message deviated from each other by the same time is repeatedly output to the plurality of output ports of the digital talkie trunk, when an incoming call occurs,
It is only necessary to select the output port that cues the voice message earliest and connect it to the outside line of the incoming call. It is not necessary to control the start and stop of sending the voice message each time an incoming call occurs, so the control is extremely simple. ..

Further, since it is not necessary to control the sending and stopping of the voice message for each incoming external line, a plurality of incoming external lines can be simultaneously connected to the output port of the digital talkie trunk (the incoming external line and the output port are connected to each other). One to one
It is not necessary to correspond to. Therefore, a fixed number of output ports may be used regardless of the number of external line trunks (therefore, the addition of external line trunks does not require the addition of digital talkie trunks), and so-called non-block connection control is possible.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a system configuration diagram of an embodiment of the present invention, and FIG. 2 is a time chart showing voice message sending control in the embodiment of the present invention.

In FIG. 1, 1 is an outside line trunk (CO
T), 2 is a time division switch (T
SW), 3 is a digital talkie trunk (DTKT) having a plurality of output ports P1 to P8 (e.g., 8 pieces, hereinafter, 8 pieces, for example) (hereinafter referred to as a talkie trunk), and 4 is a voice message. It is a ROM recorded with PCM data, and a tone generator provided inside the torch trunk 3 is a central processing unit (CP) for controlling the outside line trunk 1, the time division switch 2 and the torch trunk 3.
U) and 6 are constituted by a program of the central processing unit 5 and are phase counters (CNT) for monitoring the output timing of the voice message from the torch trunk 3.

First, the output control of voice messages to the output ports P1 to P8 of the torch trunk 3 will be described.

The central processing unit 5 constantly sends a voice message output start command to the torch trunk 3 for each of the output ports P1 to P8. In response to the output start command, the Tooki trunk 3 outputs each output port P from the Toki sound source 4.
1 to P8, a voice message is output, but in parallel with this, the central processing unit 5 measures and monitors the output time of the voice message, and the duration T of the voice message is known in advance (see FIG. 2). When the time elapses, the output start command is controlled to be sent to the torch trunk 3 again. By this control, each output port P1 to P of the torch trunk 3
8, the same voice message is repeatedly output endlessly.

Also, the voice message output start command to each of the output ports P1 to P8 is such that the voice messages are sequentially output to the output ports P1 to P8 at mutually equal time intervals, and this is repeated endlessly. , Are sequentially sent from the central processing unit 5 to the torch trunk 3 at regular time intervals. If the duration of the voice message is T and the number of output ports is N, the above time interval is (T /
N), and in the case of the embodiment, since the number N of output ports is "8", the above time interval is "T / 8".

When the above control is represented in a time chart,
As shown in FIG. 2, as is apparent from this figure, voice messages are sequentially output to the output ports P1 to P8 with a time difference of T / 8, and this is repeated endlessly.

The output timing of the voice message to each of the output ports P1 to P8 is monitored by the phase counter 6 included in the program of the central processing unit 5. That is, the central processing unit 5 controls the phase counter 6 to step up every time T / 8 when the output start command is output to the torch trunk 3, and outputs the count values 0 to 7 of the phase counter 6 to the output ports respectively. By associating with P1 to P8, the central processing unit 5 can always grasp the output start time point of the voice message to each of the output ports P1 to P8.

Next, the connection control between the outside line trunk 1 and the talkie trunk 3 and the transmission control of the voice message to the outside line will be described.

When an incoming call occurs on an external line, the external line trunk 1 corresponding to the incoming external line detects the incoming call and sends the incoming call information to the central processing unit 5. The central processing unit 5 identifies the count value of the phase counter 6 at the time of reading the incoming call information, and based on this, it should be connected to the outside trunk 1 of the output ports P1 to P8 of the torch trunk 3 which has received the incoming call. Select an output port. For example, if an incoming call is detected when the value of the phase counter is "0", the output of the voice message is terminated at this time (during T / 8 hours when the value of the phase counter is "0"). The output port P2 is selected, and when the phase counter 6 advances by one and the counted value becomes "1", the time divisional switch 2 is controlled to control the selected output port P1 of the torch trunk 3.
A call path is set between the external line trunk 1 and the external line trunk 1 that received the incoming call, and the external line trunk 1 is controlled to automatically answer the incoming external line. By the above control, the voice message is sent to the incoming outside line from the beginning.

By the way, as is clear from the above description,
There is a maximum time delay of T / 8 hours (so-called time required for cue) from the detection of an incoming call to the sending of a voice message to the incoming call outside line, but the length (T) of a voice message is generally Is about 10 to 20 seconds, and the time delay is within 3 seconds at the longest, and this time delay does not cause any particular problem in this type of system, and the automatic response to an incoming external line is a voice message. This is done at the time when the so-called cueing is completed (at the time when the sending of the voice message is started), so the ring back tone is sent from the telephone exchange to the calling party during the delay of the above time, and the called side is calling. In this state, the caller does not feel time delay (waiting).

Since the voice message is output as a PCM code from the output ports P1 to P8 of the digital talkie trunk 3, when the external line is an analog telephone line, the PCM code is converted from digital to analog in the external line trunk 1. , Send as an analog signal voice message to the outside line.

As described above, when the time T elapses from the start of the transmission of the voice message to the incoming outside line and the transmission of the voice message is completed, the central processing unit 5 controls the time divisional switch 2 and the torch trunk. 3 and outside trunk 2
The call path between the trunk line 2 and the trunk is opened, and the call path is set between the external trunk 2 and the service trunk (not shown) to provide a predetermined service. For example, if the incoming external line provides a live broadcasting service, the service is announced by the voice message, and then the external line trunk 2 is connected from the Toki trunk 3 to a broadcasting interface trunk (corresponding to the service trunk, not shown). No)).

In the embodiment of the present invention, it is possible to connect a plurality of external lines to one output port of the torch trunk 3. That is, each output port P1 of the torch trunk 3
A voice message is repeatedly output (to endless) to P8, and the output control of the voice message is performed regardless of whether there is an incoming call on an outside line. Therefore, a plurality of incoming calls are received during time T / 8. When it occurs, multiple incoming line trunks are connected to the output ports that satisfy the conditions during the time period T / 8 when the incoming call is detected (the output port where the beginning part of the voice message is output after the elapse of the time period). By connecting, a voice message can be simultaneously sent to the plurality of incoming external lines. Moreover,
In a digital private branch exchange equipped with a time division switch, there is no limit to the number of multiple connections, so even if the number of external lines accommodated in the private branch exchange is large, it is necessary to increase the number of torch trunks 3 or the number of output ports thereof. There is no.

Further, each output port P of the torch trunk 3
1 to P8 as the output control method of the voice message
When an incoming call is detected by setting the initial or last T / 8 hours of the message length as a silent section, the connection between the output port and the external line trunk 1 is immediately connected without waiting for the step of the phase counter 6 to advance by one step. Can be done to.
That is, the connection is always performed in the silent section by the same control as described above, and the beginning portion of the voice message is not interrupted or an unnecessary voice message is not transmitted. In this way, the control in the central processing unit 5 is slightly simplified, but if the duration of the voice message (one message length) is long and the number of output ports of the torch trunk 3 is small, there will be a silent interval. Since the length of the voice message becomes relatively long and the length of the voice message becomes relatively short, which one is adopted is a matter determined by the operating conditions and the like.

[0025]

As described above, according to the present invention, the same voice message is repeatedly output to the plurality of output ports of the torch trunk by the same time, and the same voice message is repeatedly output. The incoming line trunk is connected to the output port where the start part of the voice message is output after a short time, and it is not necessary to control the start and stop of sending the voice message each time an incoming call occurs. Not only is this extremely easy, but since multiple incoming external lines can be connected to the output port of the Toki Trunk at the same time, the number of output ports can be fixed regardless of the number of external lines that can be accommodated in the private branch exchange. Even if you don't need to install a Toki Trunk. In addition, so-called non-blocking connection control can be performed without waiting for an incoming call.

[Brief description of drawings]

FIG. 1 is a system configuration diagram of a private branch exchange according to an embodiment of the present invention.

FIG. 2 is a time chart showing voice message output control according to the embodiment of the present invention.

[Explanation of symbols]

 1 ... External line trunk 2 ... Time division switch 3 ... Digital torch trunk 4 ... Toki sound source 5 ... Central processing unit 6 ... Phase counter P1 to P8 ... Output ports

Claims (1)

[Claims] 1. A digital talkie trunk having a voice message, a digitally recorded toke sound source, and a plurality of output ports, an outside trunk for interfacing with an outside line, and a communication path between the digital talkie trunk and the outside trunk. In a private branch exchange having a time-division switch to be set, the same voice message is repeatedly output from the Toki sound source of the above digital Toki trunk to multiple output ports at the same time, and the same voice message is repeatedly output. From the output line of the above digital talkie trunk, select the output port where the start part of the voice message is output after the shortest time from the detection of the above-mentioned incoming call among the output ports of the above digital talkie trunk. The selected output of the outside trunk and Toki trunk that control and detect the above incoming An automatic response message sending control method in which the voice message is sent to the outside line by connecting to the port and automatically answering the incoming outside line.