JPS63187757A - Electronic exchange - Google Patents

Abstract

PURPOSE:To transmit a holding tone suitable for an opposite side by selecting the holding tone by means of the dialing operation of a holding person aud transmitting it to the talking opposite side when a line is busy. CONSTITUTION:When a holding key is pushed, a central processing equipment 6 reads a holding signal outputted from an extension telephone set 10 so as to separate the speech path of a call connection circuit 5 and at the same time to set a tone source 4 in a selection state. The selection of the holding tone source 4 is executed by inputting a number decided by comparing with a desirable holding tone number from the extension telephone set 10 in a dial number. According to the input signal the signal of the tone source 4 selected from 1-n number of tone sources in a holding tone selection transmission circuit 3 is inputted in the call connection circuit 5 and transmitted to a trunk line circuit 2. Since the trunk line circuit 2 is connected to the office telephone 12 of the opposite side through a station 11, the holding tone is transmitted to the office telephone 12. Thus, the holding tone suitable for the opposite side can be transmitted.

Description

[Detailed description of the invention] (Industrial application field) TECHNICAL FIELD The present invention relates to electronic switching equipment.

(Prior Art) A method for selectively transmitting held music using a conventional electronic exchange will be explained with reference to FIG. FIG. 2 is a block diagram of a conventional electronic exchange, an extension telephone, and a central office telephone connected thereto. In the figure, 21 is an electronic exchange.

22 is a station line circuit, 23 is a hold tone sending circuit, 24 is a sound source,
25 is a changeover switch, 26 is a call connection circuit, 27 is a central processing unit, 28.29 is an extension circuit, and 30.
31 is an extension telephone, 32 is a station, and 33 is a central telephone.

The extension telephones 30 and 31 are the extension circuits 28 of the electronic exchange 21.
29, respectively, and the extension circuits 28 and 29 are connected to the telephone connection circuit 2 through the central processing unit 27 or directly.
6 is connected to the output side of the hold tone sending circuit 23. On hold music sending circuit 23
Inside, n sound sources 24 numbered from 1 to n are accommodated, and selected by a changeover switch 25. Further, the call connection circuit 26 is connected to the office line circuit 22, and the telephone connection circuit 26 is connected to the office line circuit 22.
2 is connected to a central telephone 33 via a station 32.

Next, the operation of the above conventional example will be explained.

■Call status When talking between a1 central office line telephone and extension telephone extension telephone 31
is directly connected to the call connection circuit 26 via an extension circuit 29. In the call connection circuit 26, it is connected to the central office line circuit 22 through a path indicated by a dotted line, and then to the central office line telephone 33 of the other party via a station 32.

b. Extension telephone 31 during a call between the extension telephone and the extension telephone
is directly connected to the one-call connection circuit z6 via the extension circuit 29. The call connection circuit 26 is connected to an extension circuit 28 via a circuit indicated by a dotted line C, and then to an extension telephone 30 of the other party.

■Holding status Extension telephone 31 when on hold between a1 central office telephone and internal a telephone
When the telephone is placed on hold, a signal by pressing the hold key is sent from the telephone 31 to the central processing unit 27 through the extension circuit 29. The central processing unit 27 controls the call path of the call connection circuit 26 by reading the hold signal sent by the extension telephone 31, and disconnects the call path indicated by the dotted line. At the same time, the signal from the sound source 24 selected by the changeover switch 25 in the hold tone sending circuit 23 is input to the call connection circuit 26 and sent to the central office line circuit 22 via the path indicated by the dotted line a. Office line circuit 2
2 is connected to the other party's office line telephone @33 via station 32, so the hold tone is sent to the office line telephone 33.

b. Extension telephone 31 when on hold between extension telephone and extension telephone
When the user places the call on hold, a signal by pressing the hold key is sent from the extension telephone 31 to the central processing unit 27 through the extension circuit 29. The central processing unit 27 reads the hold signal sent by the extension telephone 31 and connects it to the call connection circuit 2.
6 is controlled, and the communication path indicated by dotted line C is separated. At the same time, the signal of the sound source 24 selected by the changeover switch 25 in the hold sending circuit 23 is input to the call connection circuit 26, and is sent to the extension circuit 28 via the path indicated by the dashed line d. Since the extension circuit 28 is connected to the extension telephone 30, the hold tone is sent to the extension telephone 30 of the other party.

In this way, the hold tone output path 2 of the above-mentioned conventional electronic exchange
3, the held sound source can be selected by switching the selector switch 25 therein.

(Problems to be Solved by the Invention) However, in the conventional held music selection and transmission method described above, the selection of held music is performed by the circuit configuration within the held music transmission circuit.
There was a problem in that the holding tone could not be selected by the telephone on the holding tone sending side, and it was only possible to send a holding tone that seemed more appropriate to the person on the other end of the hold light. The present invention provides an electronic exchange that allows a desired hold tone to be selected and sent to the other party using a hold tone sending side telephone.

(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides a holding tone selection means in the holding tone sending circuit, and allows the person on hold to select a holding tone by dialing during a call. It is designed so that it can be sent to the other party.

(Function) According to the present invention, with the above configuration, a hold tone selection means is provided in the hold tone sending circuit in the exchange, and a hold tone can be selected by dialing on the telephone of the party sending the hold tone. It can also send out sound.

(Embodiment) A method for selectively transmitting held music by an electronic exchange according to an embodiment of the present invention will be explained with reference to FIG. FIG. 1 is a block diagram of an electronic exchange, an extension telephone, and a central office telephone connected to the electronic exchange according to an embodiment of the present invention. In the figure, 1 is an electronic exchange;
3 is a holding tone selection and transmission circuit, 4 is a sound source, and 5 is a call connection circuit.

6 is a central processing unit; 7 and 8 are extension circuits; 9. 10 is an extension telephone, 11 is a station, and 12 is a central telephone.

The extension telephones 9, 10 are respectively connected to extension circuits 7.8 of the electronic exchange 1, and the extension circuits 7, 8 are connected via the central processing unit 6 or directly to the call connection circuit 5. The call connection circuit 5 is connected to the output side of the hold tone selection and transmission circuit 3. Further, the central processing unit 6 is also connected to the held tone selection and transmission circuit 3. The held tone selection and transmission circuit 3 accommodates n sound sources 4 numbered 1 to n, which are selected under the control of the central processing unit 6. Call connection circuit 5
is connected to a central office line circuit 2, which in turn is connected to a central telephone 12 via a station 11.

Next, the operation of the above embodiment will be explained.

0 Call status a0 When talking between a central office line telephone and an extension telephone Extension telephone 10
is directly connected to the call connection circuit 5 via the extension circuit 8. In the call connection circuit 5, it is connected to the office line circuit 2 through the path indicated by the dotted line, and is connected to the other party's office line telephone 1 via the station 11.
Connected to 2.

b. Extension telephone 10 during a call between the extension telephone and the extension telephone
is directly connected to the call connection circuit 5 via the extension circuit 8. In the call connection circuit 5, it is connected to an extension circuit 7 via a path indicated by a dotted line C, and then to an extension telephone 9 on the other party's side.

■Hold status a0 When the central telephone and extension telephone are on hold Extension telephone 10
When placed on hold, the signal from pressing the hold key is transmitted from the telephone extension 10 through the extension circuit 8 to the central processing unit 6.
sent to. The central processing unit 6 controls the call path of the call connection circuit 5 by reading the hold signal sent by the extension telephone 10.

Disconnect the communication path indicated by the dotted line. At the same time, the sound source 4 is set to the selected state. The hold sound source is selected by dialing a number from 10 to the desired hold sound number to extension +1 (an example is shown in Table 1). 1~ in the sound selection sending circuit 3
The signal from the sound source 4 selected from among up to n sound sources is input to the telephone connection circuit 5, and is sent to the central office line circuit 2 via the path indicated by the dotted line a.
sent to. Since the return line circuit 2 is connected to the other party's office line telephone 12 via the station 11, the hold tone is sent to the office line telephone 12.

b. Extension telephone 10 when on hold between extension telephone and extension telephone
When the user places the call on hold, a signal by pressing the hold key is sent from the extension telephone 10 to the central processing unit 6 through the extension circuit 8. The central processing unit 6 controls the call path of the call connection circuit 5 by reading the hold signal issued by the extension telephone 10, and disconnects the call path indicated by the dotted line C. At the same time, sound source 4
is set to the selected state. The selection of the held sound source is performed by inputting a number determined in correspondence with the desired held sound number as a dial number from the extension telephone 10 (examples are shown in Table 1). In response to this input signal, the signal of the held sound source 4 selected from among the 1 to n sound sources in the held sound selection and transmission circuit 3 is inputted to the call connection circuit 5, and is sent to the extension circuit 7 via the path indicated by the dotted line d. Since the extension circuit 7 is connected to the extension telephone 9 of the other party, the hold tone is sent to the extension telephone 9.

An example of how to select a music on hold is shown below.

1. Extension telephone 10 and office telephone 12 (extension telephone 9)
is during a call 2, the extension telephone 10 presses the Kanji key 3, the extension telephone 10 selects the hold tone Example: Hold tone number using a 2-digit dial Dial number Hold tone content table 1 4, office line telephone 12 The designated hold tone is sent to (extension telephone 9).

In this way, according to the above-described embodiment, when the extension telephone 10 places a hold, it is set to the hold tone selection state, which has the advantage that, for example, the hold tone can be selected by inputting a two-digit number on the dial. has. Furthermore, since a plurality of hold music can be set, there is an advantage that hold music suitable for each purpose can be sent to the other party.

(Effects of the Invention) According to the present invention, the on-hold tone selection means is provided in the on-hold tone output path, and the on-hold tone sender can select the on-hold tone by operating the telephone dial. Can you send out suitable hold music?

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional example. 1...electronic exchange, 2...office line circuit, 3...
Hold tone selection sending circuit, 4...Sound source, 5...Call connection circuit, 6...Central processing unit, 7, 8...
・Extension circuit, 9, 10...Extension telephone, 11...
Station 12...Return telephone Ja. Patent applicant: Matsushita Electric Industrial Co., Ltd. Figure 1 Figure 2

Claims (1)

[Claims] An electronic exchange characterized in that a held tone selection means is provided in a held tone transmission circuit, and a person on hold can select a held tone by dialing during a call and send it to the other party.