JP4462787B2 - Call recording system for IP phone system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a call recording system in an IP telephone system, and more particularly to a call recording system for recording a telephone call in an IP (Internet protocol) telephone system.
[0002]
[Prior art]
Conventionally, in an IP telephone system, in order to record a call, the recording apparatus is connected to a telephone terminal or the telephone terminal is provided with a recording function. This type of system is disclosed in, for example, Japanese Patent Application Laid-Open No. 2000-201237.
[0003]
Also, there is a method in which a plurality of connection destinations of telephone terminals in a call can be designated using IP multicast technology, and voice packets are multicast-transmitted to the telephone terminal of the other party and the call recording server.
[0004]
[Problems to be solved by the invention]
In the conventional IP telephone system described above, when a telephone terminal is provided with a recording device or a recording function in order to realize call recording, there is a problem that the cost per telephone terminal is increased.
[0005]
In addition, in the call recording system using the multicast technology, there is a problem that a router or a telephone terminal on the existing IP network needs to support multicast.
[0006]
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a call recording system in an IP telephone system that can solve the above problems, reduce the introduction cost, and suppress the influence on an existing IP network.
[0007]
[Means for Solving the Problems]
The call recording system in the IP telephone system according to the present invention is a call recording system for an IP telephone system that makes a call by transmitting and receiving voice packets obtained by converting voice data from an arbitrary telephone terminal into IP (internet protocol) packets via a network. A call recording server for controlling recording of the voice packet, and call control means for switching a call partner of the telephone terminal to the call recording server when a recording request is generated for a call between any telephone terminals, A recording device provided in the call recording server and storing voice packets received from the telephone terminal; and a voice packet provided in the call recording server and received from the telephone terminal to the original telephone terminal of the other party. Transfer means for transferring.
[0008]
That is, the call recording system in the IP (internet protocol) telephone system according to the present invention is a call that switches a call partner of each telephone terminal to a call recording server when a recording request is generated for a telephone call between arbitrary telephone terminals on the IP network. Control means, transfer means for transferring voice packets sent from each telephone terminal to the call recording server to the original call partner of each telephone terminal, and recording voice packets / data sent from each telephone terminal to the call recording server Storage means for storing in the apparatus, and operates to record a call between each telephone terminal.
[0009]
Further, the call recording system in the IP telephone system of the present invention, when storing voice packets / data in a recording device, terminal information such as the telephone number and IP address of each telephone terminal, the start time and end time of call recording, etc. Is registered in the call recording information database, and operates so as to enable efficient management of the stored voice packets / data.
[0010]
Further, the call recording system in the IP telephone system according to the present invention comprises means for communicating with a call recording information database, searching for stored voice packets / data, and means for retrieving and playing back desired voice packets / data from the recording device. And operates so as to enable efficient playback of call recording.
[0011]
As described above, the IP phone system can be provided with a call recording function only by adding a function to the voice call control management device and introducing a call recording server. It is possible to suppress the influence on the IP network.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing the configuration of a call recording system according to an embodiment of the present invention. FIG. 1 shows a configuration of a call recording system in an IP telephone system.
[0013]
That is, the call recording system according to an embodiment of the present invention includes a voice call control management device 1 and a call recording server 2 that operate by program control, IP telephone terminals 3-1 to 3-n, and an IP network 100 connecting them. It consists of and.
[0014]
FIG. 2 is a block diagram showing the configuration of the voice call control management device 1 of FIG. In FIG. 2, the voice call control management device 1 calls control means for switching the call partner of each of the telephone terminals 3-1 to 3-n performing a call to be recorded to the call recording server 2 when a call recording request is generated. 11 and a transmission means 12 for sending a call recording operation instruction to the call recording server 2.
[0015]
FIG. 3 is a block diagram showing the configuration of the call recording server 2 of FIG. In FIG. 3, the call recording server 2 includes first receiving means 21 that receives a call recording operation instruction from the voice call control management device 1, and each telephone terminal 3-1 to 3- second receiving means 22 for receiving the voice packets sent from n, storage means 23 for storing the received voice packets in the recording device 2a, and the telephone terminal 3-1 of the original call partner for each received voice packet. Transfer means 24 for transferring to .about.3-n, registration / search means 25 for communicating or recording various call recording information by communicating with a call recording information database (not shown) of the recording apparatus 2a, and various call recording information. On the basis of this, the reproducing means 26 for reading out the voice packet from the recording device 2a and the transmitting means 27 for transmitting the voice packet to the telephone terminals 3-1 to 3-n which have requested listening to the call recording are configured. That.
[0016]
FIG. 4 is a block diagram showing the configuration of the IP telephone terminals 3-1 to 3-n in FIG. In FIG. 4, the IP telephone terminals 3-1 to 3-n are collectively referred to as the IP telephone terminal 3. That is, each of the IP telephone terminals 3-1 to 3-n has the same configuration as that of the IP telephone terminal 3.
[0017]
Each of the IP telephone terminals 3 includes mutual conversion means 31 that mutually converts voice data and voice packets, transmission means 32 that transmits voice packets via the IP network 100, and reception that receives voice packets via the IP network 100. And means 33.
[0018]
FIG. 5 is a diagram showing a flow of processing at the start of call recording of the call recording system according to one embodiment of the present invention, and FIG. 6 is a flow of processing at the end of call recording of the call recording system according to one embodiment of the present invention. FIG. The overall operation of the call recording system according to an embodiment of the present invention will be described with reference to FIGS.
[0019]
First, when a recording request (S1 in FIG. 5) regarding a call between the telephone terminal 3-1 and the telephone terminal 3-2 is input to the voice call control management apparatus 1, the voice call control management apparatus 1 records the call. An instruction to start a call recording operation (S2 in FIG. 5) is transmitted to the server 2.
[0020]
Subsequently, the voice call control management device 1 performs call control (S3, S4 in FIG. 5) so as to switch the telephone call terminals 3-1 and 3-2 to the call recording server 2. Thereafter, voice packets (S5 and S6 in FIG. 5) transmitted from the telephone terminal 3-1 and the telephone terminal 3-2 are respectively received by the call recording server 2.
[0021]
Since the call recording server 2 has already received a call recording operation instruction (S2 in FIG. 5), the voice packet (S8 in FIG. 5) sent from the telephone terminal 3-1 is sent to the telephone terminal 3-2. The voice packet (S7 in FIG. 5) sent from 3-2 is transferred to the telephone terminal 3-1. At the same time, each voice packet (S5, S6 in FIG. 5) is stored in the recording device 2a (S9 in FIG. 5), thereby recording a call to the recording device 2a.
[0022]
At that time, the terminal information such as the telephone numbers and IP addresses of the telephone terminals 3-1 and 3-2 which are the recording terminals, the call recording start time, and the like are registered in the call recording information database of the recording device 2a.
[0023]
When a call recording end request (S11 in FIG. 6) is input to the voice call control management device 1 during call recording as described above, first, the voice call control management device 1 sets the other party of the telephone terminal 3-1. Is controlled to switch to the telephone terminal 3-2 and the other party of the telephone terminal 3-2 to the telephone terminal 3-1 (S12, S13 in FIG. 6). Thereafter, the telephone terminal 3-1 and the telephone terminal 3-2 directly transmit and receive voice packets (S14 in FIG. 6).
[0024]
Finally, the voice call control management device 1 transmits a call recording operation end instruction (S15 in FIG. 6) to the call recording server 2. Upon receiving this instruction, the call recording server 2 registers the call recording end time and the like in the call recording information database of the recording device 2a, and ends the call recording operation.
[0025]
In this way, in the IP telephone system, since the call recording system is realized only by adding the function related to the call recording to the voice call control management device 1 and introducing the call recording server 2, each telephone terminal in the IP telephone system is realized. Additional functions and construction for 3-1 to 3-n are not required, and reduction of introduction cost can be expected.
[0026]
In addition, since the centralized call recording system is configured by the call recording server 2, it is possible to centralize the management of call recording and maintain the stored voice packets / data by linking with the call recording information database.・ Easy management.
[0027]
Note that the telephone terminals 3-1 to 3-n described in the above embodiment do not necessarily need to be IP telephone terminals, and convert voice data into IP packets and transmit / receive to / from the IP network 100 with other networks. Including gateway equipment.
[0028]
As described above, since the call recording system can be introduced only by adding the call recording function to the voice call control management device 1 and the introduction of the call recording server 2 to the existing IP telephone system, The cost for introducing a call recording system into the telephone system can be reduced.
[0029]
Further, since the call recording system according to an embodiment of the present invention is a centralized system of server / client configuration and is linked with the call recording information database, the voice packets / data recorded by the call are centrally managed. Can be maintained and operated easily. Therefore, the introduction cost can be reduced and the influence on the existing IP network 100 can be suppressed.
[0030]
【The invention's effect】
As described above, the present invention relates to a call between arbitrary telephone terminals in an IP telephone system that makes a call by transmitting and receiving voice packets obtained by converting voice data from arbitrary telephone terminals into IP packets via a network. Call control means for switching the call partner of the telephone terminal to the call recording server when a recording request occurs, a recording device for storing voice packets received from the telephone terminal, and the voice packets received from the telephone terminal as original calls By providing the transfer means for transferring to the other party's telephone terminal in the call recording server that controls the recording of voice packets, the introduction cost can be reduced and the effect on the existing IP network can be suppressed. .
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a call recording system according to an embodiment of the present invention.
2 is a block diagram showing a configuration of the voice call control management device of FIG. 1; FIG.
3 is a block diagram showing a configuration of a call recording server in FIG. 1. FIG.
4 is a block diagram showing a configuration of the IP telephone terminal in FIG. 1. FIG.
FIG. 5 is a diagram showing a processing flow at the start of call recording in the call recording system according to the embodiment of the present invention;
FIG. 6 is a diagram showing a flow of processing at the end of call recording in the call recording system according to an embodiment of the present invention;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Voice call control management apparatus 2 Call recording server 2a Recording apparatus 3-1 to 3-n IP telephone terminal 11 Call control means 12, 27, 32 Transmission means 21 First reception means 22 Second reception means 23 Storage means 23 Transfer means 25 Registration / search means 26 Playback means 31 Mutual conversion means 33 Receiving means 100 IP network

Claims (3)

A call recording system of an IP telephone system that performs a call by transmitting and receiving voice packets obtained by converting voice data from an arbitrary telephone terminal into IP (Internet protocol) packets via a network, and controls recording of the voice packets A call recording server, a call control means for switching a call partner of the telephone terminal to the call recording server when a recording request is generated for a call between any telephone terminal, and the telephone terminal provided in the call recording server. And a transfer device that is provided in the call recording server and transfers the voice packets received from the telephone terminal to the original telephone terminal of the other party. Call recording system. Means for registering, in the recording device, at least terminal information consisting of a telephone number and an IP address of the telephone terminal and information consisting of a start time and an end time of call recording in the recording device when storing the voice packet; The call recording system according to claim 1, further comprising: 2. The call recording server according to claim 1, further comprising: means for searching for voice packets / data stored in the recording device; and means for retrieving and playing back desired voice packets / data from the recording device. The call recording system according to claim 2.

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