JP2008060783A - Ip telephone device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an IP telephone device for monitoring speech communication between the IP telephone devices by the other IP telephone device. <P>SOLUTION: The IP telephone device is for performing speech communication with each other through an IP network. The IP telephone device which performs monitoring sends out a monitoring object identification request for requesting to turn an IP packet in charge of voice information relating to the speech communication to a monitoring object to the IP telephone device during the speech communication, fetches the IP packet turned to the monitoring object, and outputs voice. The IP telephone device during the speech communication performs the processing of turning the IP packet in charge of voice during the speech communication at present to the monitoring object corresponding to the monitoring object identification request. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an IP telephone apparatus that performs a call over an IP network.

As an apparatus for monitoring a call between IP telephone apparatuses, there is an apparatus that uses a monitoring server described in Non-Patent Document 1. In this apparatus, voice of a call between IP telephone apparatuses is transmitted to a server, and the call is monitored via the server. The IP telephone apparatus is provided with a device for transmitting voice of a call to a server, and the voice of a call between IP telephone apparatuses is transmitted to the server by the device. When monitoring a call, the user transmits a monitor request from the monitoring terminal device to the server. When the server receives the monitor request, the server transmits the voice of the call to the monitor terminal device that is the transmission source of the monitor request. When the monitor terminal device outputs the voice of the call transmitted from the server, the user of the monitor terminal device can hear the content of the call between the IP phone devices.
Sophia Systems Co., Ltd., “Real-time call monitor”, [online], [searched on July 27, 2006], Internet <URL: http: // www. sophia-systems. co. jp / nvr / nvr_monitor. html>

  In the above apparatus, a server that receives the voice of a call between IP telephone apparatuses and transmits the voice to the monitor terminal apparatus is essential. Then, the monitor request from the monitor terminal device must be processed by the server. Therefore, the number of users who can use the call monitor at the same time is limited due to the performance of the server. Also, when installing multiple servers and increasing the number of users who can use the call monitor at the same time, when monitoring a call to a specific IP phone device, to which server the monitor request is sent There was a need to manage.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an IP telephone apparatus that can monitor calls between IP telephone apparatuses without using a server.

  The IP telephone apparatus according to the present invention is a monitor that issues a monitoring target identification request for requesting at least one of two IP telephone apparatuses in a call to monitor an IP packet carrying voice information related to the call. A target identification requesting unit; a capturing unit that captures an IP packet to be monitored on the IP network; a call monitor output unit that outputs voice carried by the IP packet captured by the capturing unit; and a monitoring target identification request Accordingly, there is provided monitoring target execution means for monitoring an IP packet carrying voice during a current call.

  According to the IP telephone device of the present invention, the IP telephone device that is carrying the voice of the telephone call that is being called by the IP telephone device that is receiving the monitoring target identification request is the monitoring target, and the IP telephone device that is the transmission source of the monitoring target identification request is By capturing the IP packet to be monitored and outputting it as a voice, it is possible to monitor the call with another IP telephone apparatus without going through the server.

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

  FIG. 1 is a diagram showing an example of an IP telephone call monitoring system using an IP telephone apparatus according to the present invention. Any of IP telephone apparatuses 1a to 1c makes a call with any of IP telephone apparatuses 1a to 1c via IP network 2. The monitoring target identification request means 11 is a monitoring target identification request for requesting an IP telephone device in communication among IP telephone devices 1a to 1c to monitor an IP packet carrying voice information related to the telephone call. Is sent out. The capturing unit 12 performs processing for capturing an IP packet that is a monitoring target of a call flowing on the IP network. The call monitor output unit 13 converts the IP packet to be monitored captured by the capture unit 12 into voice and outputs the voice. The monitoring target execution unit 14 performs processing for setting the IP packet carrying the voice of the call as the monitoring target IP packet when there is a monitoring target identification request. The IP packet carrying voice during a call includes both IP packets transmitted from the IP telephone apparatus to the IP telephone apparatus of the other party and IP packets sent from the IP telephone apparatus of the other party. . The voice input / output unit 15 inputs and outputs voice during a call. The operation unit 16 is for performing operations such as transmission and sending of a monitoring target identification request. Note that the IP telephone devices 1a to 1c include a soft phone in which a PC or the like is provided with an IP telephone function by software.

  FIG. 2 is a diagram showing an operation of monitoring a telephone call between IP telephone apparatus 1b and IP telephone apparatus 1c from IP telephone apparatus 1a.

  First, the user of the IP telephone device 1b performs a call operation toward the IP telephone device 1c. When there is an operation for making a call to IP telephone apparatus 1c, IP telephone apparatus 1b makes a call to IP telephone apparatus 1c. When the user of IP telephone apparatus 1c responds to a call from IP telephone apparatus 1b, a call is established between IP telephone apparatus 1b and IP telephone apparatus 1c. Thereafter, a call is performed between the IP telephone apparatus 1b and the IP telephone apparatus 1c.

  When a user of the IP telephone device 1a monitors a call made between the IP telephone device 1b and the IP telephone device 1c, the user monitors either the IP telephone device 1b or the IP telephone device 1c during the call. Send an object identification request. Here, it is assumed that the user of the IP telephone device 1a performs an operation of sending a monitoring target identification request to the IP telephone device 1b. When there is an operation for sending a monitoring target identification request to IP telephone device 1b, IP telephone device 1a sends a monitoring target identification request to IP telephone device 1b.

  When receiving the monitoring target identification request from the IP telephone device 1a, the IP telephone device 1b performs processing for monitoring the IP packet carrying the voice of the call with the IP telephone device 1c. The IP telephone apparatus 1b creates a copy of the IP packet that carries the voice of the call, and sets the destination of the copied IP packet to the IP telephone apparatus 1a that is the transmission source of the monitoring target identification request. Then, the call target identification information is added to the IP packet whose transmission destination is set to the IP telephone apparatus 1a, and is sent to the IP network. An IP packet used for a call is composed of a header portion in which information such as a transmission destination is recorded and a data portion in which voice data is recorded. The call target identification information is the data portion of the IP packet. It is added at the beginning. The IP packet copied and transmitted by the IP telephone apparatus 1b includes an IP packet transmitted from the IP telephone apparatus 1b to the IP telephone apparatus 1c and an IP packet transmitted from the IP telephone apparatus 1c to the IP telephone apparatus 1b. Both IP packets of the packet.

  The IP telephone device 1a takes in an IP packet transmitted to itself from IP packets flowing on the IP network. Then, the call target identification information of the captured IP packet is confirmed. By checking whether or not the call target identification information is recorded in the IP packet, it is determined whether or not the captured IP packet is a monitored IP packet. When call target identification information is recorded in the captured IP packet, it is determined that the IP packet is a monitor target. The IP packet whose call target identification information is confirmed and determined to be the IP packet to be monitored is converted into voice and output. The user of the IP telephone apparatus 1a can confirm the content of the call being performed between the IP telephone apparatus 1b and the IP telephone apparatus 1c by listening to the output voice.

  As shown in FIG. 2, when both of the IP telephone devices in a call are provided with the monitoring target execution means 14 that performs processing for monitoring IP packets, the IP telephone device that is the transmission destination of the monitoring target identification request is Either of the two IP telephone devices in a call can be used. FIG. 3 shows an operation when a monitoring target identification request is transmitted to the IP telephone apparatus 1c when a call made between the IP telephone apparatus 1b and the IP telephone apparatus 1c is monitored from the IP telephone apparatus 1a. . In this case, a monitoring target identification request is sent from IP telephone apparatus 1a to IP telephone apparatus 1c. When receiving the monitoring target identification request, IP telephone apparatus 1c sets an IP packet used for a call with IP telephone apparatus 1b as a monitoring target. Then, the IP telephone device 1a takes in the IP packet monitored by the IP telephone device 1c and outputs it as a voice.

  FIG. 4 shows a connection between a normal IP telephone apparatus 3 that does not have a means for monitoring an IP packet that carries the voice of the call and an IP telephone apparatus 1c that has means for monitoring the IP packet that carries the voice of the call. An operation for monitoring a telephone call performed by the IP telephone apparatus 1a will be described. Normally, the IP telephone device 3 includes a voice input / output unit 31 that inputs and outputs voice during a call and an operation unit 32 that performs operations such as outgoing calls.

  First, the user of the IP telephone device 1c performs an operation for making a call to the normal IP telephone device 3. The IP telephone device 1 c makes a call to the normal IP telephone device 3 when there is an operation for making a call to the normal IP phone device 3. When the user of the normal IP telephone apparatus 3 responds to a call from the IP telephone apparatus 1c, a call is established between the IP telephone apparatus 1c and the normal IP telephone apparatus 3. Thereafter, a telephone call is performed between the IP telephone apparatus 1c and the normal IP telephone apparatus 3.

  As shown in FIG. 4, when monitoring a call that is normally performed between the IP telephone apparatus 3 and the IP telephone apparatus 1c, the IP telephone apparatus 1c having means for monitoring an IP packet that carries the voice of the call. Send a monitoring target identification request to

  When the user of the IP telephone apparatus 1a monitors a call made on the IP telephone apparatus 1c, an operation for sending a monitoring target identification request to the IP telephone apparatus 1c is performed. When there is an operation for sending a monitoring target identification request to IP telephone device 1c, IP telephone device 1a sends a monitoring target identification request to IP telephone device 1c.

  When receiving the monitoring target identification request from the IP telephone device 1a, the IP telephone device 1c performs processing for monitoring the IP packet normally used for a call with the IP telephone device 3. The IP telephone device 1c creates a copy of the IP packet used for the call, and sets the destination of the copied IP packet to the IP telephone device 1a that is the transmission source of the monitoring target identification request. Then, the call target identification information is added to the IP packet whose transmission destination is set to the IP telephone apparatus 1a, and is sent to the IP network. The IP packet copied and transmitted by the IP telephone device 1c is sent from the IP telephone device 1c to the normal IP telephone device 3 and sent from the normal IP telephone device 3 to the IP telephone device 1c. Both IP packets are IP packets.

  The IP telephone device 1a takes in an IP packet transmitted to itself from IP packets flowing on the IP network. Then, it is confirmed whether or not call target identification information is recorded in the captured IP packet. The IP packet whose call target identification information is confirmed and determined to be the IP packet to be monitored is converted into voice and output. The user of the IP telephone device 1a can confirm the content of a call made between the IP telephone device 1c and the normal IP telephone device 3 by listening to the output voice.

  Since the IP telephone apparatus according to the present invention monitors both the IP packet transmitted to the other party and the IP packet transmitted from the other party, as shown in FIG. Even when there is no means for monitoring the IP packet that bears the call, the call can be monitored.

  FIG. 5 shows a call monitor execution routine by a control unit (not shown) included in the IP telephone apparatus 1a regarding the operation of the IP telephone apparatus 1a that monitors a call between the IP telephone apparatus 1b and the IP telephone apparatus 1c. ing. When there is a request to monitor a call between IP telephone devices during a call (step 501), the control unit sends a monitoring target identification request to the IP telephone device during the call to the monitoring target identification request unit 11. An instruction is issued (step 502). When receiving the instruction to send the monitoring target identification request, the monitoring target identification requesting means 11 sends the monitoring target identification request to the IP telephone apparatus that is in a call. After issuing an instruction to send the monitoring target identification request, the control unit issues an instruction to the capturing unit 12 to capture the IP packet to be monitored (step 503). Then, the control unit waits until the capturing unit 12 captures the IP packet to be monitored.

  When receiving the instruction to capture the monitored IP packet, the capturing unit 12 captures the monitored IP packet from the IP packets flowing on the IP network. The determination as to whether or not the IP packet is a monitoring target is made by confirming whether or not the call target identification information is recorded in the IP packet transmitted toward the IP telephone device 1a. If the call target identification information is recorded, it is determined that the IP packet is a monitor target. When the capturing unit 12 captures the monitored IP packet, the capturing unit 12 sends the IP packet to the call monitor output unit 13 and notifies the control unit that the monitored IP packet has been captured.

  When it is confirmed that the monitored IP packet has been taken in (step 504), the control unit instructs the call monitor output means 13 to convert the IP packet into voice and output the voice (step 505). ). When the call monitor output means 13 receives an instruction to output a voice, the call monitor output means 13 converts the IP packet to be monitored into a voice and outputs the voice.

  FIG. 6 shows a monitoring target execution routine by a control unit (not shown) included in the IP telephone device 1b regarding the operation of the IP telephone device 1b during a call in response to the monitoring target identification request from the IP telephone device 1a. Yes. Here, it is assumed that IP telephone apparatus 1b is making a call with IP telephone apparatus 1c. When the monitoring target identification request is received (step 601), the control unit instructs the monitoring target execution unit 14 to monitor the IP packet carrying the voice of the call (step 602). When receiving the instruction to monitor the IP packet, the monitoring target execution means 14 receives the IP packet transmitted to the other party's IP telephone device 1c and the IP packet transmitted from the other party's IP telephone device 1c. Make a duplicate of both. After creating a copy of the IP packet, the monitoring target execution unit 14 sets the destination of the copied IP packet to the IP telephone terminal 1a that is the transmission source of the monitoring target identification request. Then, the call target identification information is added to the IP packet and sent out on the IP network.

  As described above, according to the IP telephone device of the present invention, the IP packet carrying the voice during the call by the IP telephone device that is receiving the monitoring target identification request is monitored, and the transmission source of the monitoring target identification request The IP telephone apparatus can capture the IP packet to be monitored and output it as a voice so that the call can be monitored without going through the server.

It is a block diagram which shows the IP telephone call monitor system using the IP telephone apparatus by this invention. It is a block diagram which shows the operation | movement of the IP telephone call monitor system of FIG. It is a block diagram which shows the operation | movement of the IP telephone call monitor system of FIG. It is a block diagram which shows operation | movement of the IP telephone call monitor system using the IP telephone apparatus by this invention. It is a flowchart which shows the call monitor execution routine of the IP telephone apparatus by this invention. It is a flowchart which shows the monitoring object execution routine of the IP telephone apparatus by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1a IP telephone apparatus 1b IP telephone apparatus 1c IP telephone apparatus 11 Monitor object identification request means 12 Capture means 13 Call monitor output means 14 Monitor object execution means 15 Voice input / output section 16 Operation section 2 IP network 3 Normal IP telephone apparatus 31 Voice Input / output unit 32 Operation unit

Claims (3)

An IP telephone apparatus for making a call with each other via an IP network,
A monitoring target identification requesting unit that issues a monitoring target identification request for requesting that at least one of the two IP telephone devices in a call to monitor an IP packet carrying voice information related to the call;
Capture means for capturing IP packets to be monitored on the IP network;
Call monitor output means for outputting the voice carried by the IP packet captured by the capture means;
An IP telephone apparatus, comprising: a monitoring target execution unit that monitors an IP packet carrying voice currently being talked in response to the monitoring target identification request.   2. The IP telephone apparatus according to claim 1, wherein the monitoring target identification requesting unit supplies the monitoring target identification request to the IP telephone apparatus that is in a call via the IP network.   2. The IP telephone apparatus according to claim 1, wherein said IP telephone apparatus writes call target identification information in an IP packet carrying voice currently being talked.

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