JPS61293055A - Speech sound recording system - Google Patents

Abstract

PURPOSE:To economize the sound recording of a talk among three parties by setting a three-party call mode including a speech storage device in a telephone exchange which has a two-party speech means. CONSTITUTION:A telephone set 1 enters a hooking state and holds a telephone set 2, and the telephone set 1 enters the hooking state again after calling the speech storage device 3 and actuating a calling sound recording function to enter the three-party talk mode. Then, a composite signal of sound signals transmitted by the telephone set 2 and speech storage device 3 appears at the output terminal 421 of a digital switching network 4, a composite signal from the speech storage device 3 and telephone set 1 appears at an output terminal 422, and a composite signal from the telephone sets 1 and 2 is outputted to an output terminal 423. Since the speech storage device 3 is in the process of sound recording and outputs no speech signal, a talk between the telephone sets 1 and 2 is recorded by the speech storage device 3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a telephone call recording system, and particularly to a telephone call recording system.

〔overview〕

The call recording method of the present invention sets up a three-way IM talk between three parties including the voice storage device in a telephone exchange having a voice storage device and a three-party communication means,
This system aims to make the telephone call recording system more economical by recording and storing a composite signal of the transmitted audio signals of the three parties in the audio storage device.

[Conventional technology]

Conventionally, in order to record a three-party telephone conversation, a recording device was connected to one of the telephones in the conversation or to its corresponding subscriber circuit. In other words, the recording device was connected to a terminal that performs the three-party IM conversation that the user wants to record.

[Problem that the invention seeks to solve]

This method of connecting a recording device to a terminal requires connecting the recording device to all terminals that may be used to record calls, which increases the overall cost due to the large number of terminals. was there.

SUMMARY OF THE INVENTION An object of the present invention is to provide a call recording method that can economically record calls between kings by eliminating the above-mentioned drawbacks.

[Means for solving problems]

The present invention provides a call recording system comprising a voice storage device and a means for connecting a telephone call to an input of the voice storage device, wherein the connecting means is a telephone exchange capable of performing a three-party call connection; The voice storage device is connected to one subscriber terminal of the telephone exchange, and the telephone exchange includes means for establishing a three-party call connection with said subscriber terminal as one party in response to a call recording request. Features.

[Effect]

According to the present invention, when a three-way communication circuit is configured between the voice storage device and the dominant caller, the voice storage device only has a voice recording and storage function and does not have the function of generating and transmitting the voice. It is possible to have a telephone conversation between the champions, and to record and store a composite signal of the champion's voice signals in the voice storage device.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIGS. 1 and 2 are explanatory diagrams of an embodiment of the present invention. Figure 2 shows that telephone ja, 1 and telephone 2 are connected to digital switching network 4.
Shows that the connection is made through the . 61.62
are a speech coder/decoder and a hybrid I/decoder, respectively.
It's Lance. In this state, the telephone 1 hangs and puts the call m2 on hold, then calls the voice storage device 3 and activates the recording function, and then hangs again and enters into a three-way call, resulting in the state shown in Figure 1. Become. In FIG. 1, a telephone 1, a telephone 2, and a voice storage device 3 are connected via a digital switching network 4 and a three-way circuit 5. The champion call circuit 5 has an input terminal 511.5.
] 2 are added, and a digital audio signal that has been subjected to a certain attenuation is sent to the output terminal 523. Similarly, the input terminal 51
The digital audio signals input from input terminals 513 and 511 are added together, subjected to a certain attenuation, and sent to the output terminal 512. Send to. Therefore, the output terminal 421 of the digital switching network 4 has the telephone 1a2.
The output terminal 422 receives a composite signal of the audio signals transmitted from the audio storage device 3, the composite signal of the audio signals transmitted from the audio storage device 3 and the telephone 1, and the output terminal 423 receives a composite signal of the audio signals transmitted from the telephone 1 and the telephone 2. A composite signal of the transmitted audio signals is output. Since the audio storage device 3 is in the recording state and does not output an audio signal, the output audio signal of the telephone 2 is output to the output terminal 421, the transmitted audio from the telephone 2 can be heard on the telephone 1, and the output terminal 422 outputs the output audio signal of the telephone 2. The output audio signal of the telephone 1 is output, and the transmitted voice of the telephone 1 can be heard on the telephone 2. That is, on telephone 1 and telephone 2, the voice of the other party who was making the initial call can be heard. Furthermore, a composite signal of the audio signals sent from telephones 1 and 2 is input to the audio storage device 3 via the output terminal 423, but since the recording function of the audio storage device 3 is activated, - The input signal is stored in the audio storage device 3, and as a result, the conversation between the telephones 1 and 2 is recorded by the audio storage device 3.

〔Effect of the invention〕

As explained above, the present invention has the effect that it is possible to economically record calls between champions by setting up champion calls including a voice storage device in a telephone exchange having a champion call means.

[Brief explanation of the drawing]

FIG. 1 is a connection diagram during a three-party call according to an embodiment of the present invention. Figure 2 is also a connection diagram for a champion call. 1.2...Telephone, 3...Audio storage device, 4...
Digital switching network, 421.422.423... Output terminal of digital switching network, 5... Champion call circuit, 511
．． 512.513... Input terminal of three-way i-sanwa circuit, 5
21.522.523...Tripartite circuit output terminal, 6
1... Audio encoder/decoder, 62... Hybrid transformer. 61: Voice code/Boku Yosuke three-way call connection diagram M 2 Roryo 1 diagram

Claims (1)

[Claims] (1) In a call recording system that is equipped with a voice storage device and a means for connecting a telephone call to the input of the voice storage device, the connecting means is a telephone exchange capable of performing a three-party call connection, and the voice The storage device is connected to one subscriber terminal of the telephone exchange, and the telephone exchange is characterized in that the telephone exchange includes means for setting up a three-party call connection with the subscriber terminal as one party in response to a call recording request. Call recording method.