JP2010258676A - Audio information distribution system - Google Patents

Abstract

The present invention provides a voice information distribution service in an IP telephone network, and a voice information distribution system in which functions are not aggregated in some devices when voice information is distributed.
Independently of an IP network call processing device (MGC) 16, an IP network voice distribution device (MS) 15 for storing and controlling the distribution of weather forecast voice information is provided. When a preset specific number (“177”) is received from the analog telephone terminal 11 or the ISDN terminal 12, the IP network voice distribution device 15 is connected to the IP network voice distribution device 15. Is distributed to the analog telephone terminal 11 and the ISDN terminal 12. The IP network voice distribution device 15 further has a function of performing cue playback at the time of voice distribution and a function of adjusting the voice output level, and the IP network call processing device 16 disconnects after a certain time has elapsed from the distribution of the voice information. And a number conversion function for converting to a telephone number for a voice transmission device.
[Selection] Figure 1

Description

  The present invention relates to an audio information distribution system for distributing audio information such as weather forecasts and hourly reports.

Conventionally, sound information such as weather forecasts and hourly reports has been distributed over a PSTN (Public Switched Telephone Networks) network (see Non-Patent Documents 1 and 2).
FIG. 11 shows an overview of the entire system for distributing weather forecast voice information in the PSTN network. The sound recording circuit (TKY) 57 of the subscriber switching device (GC) 53 is connected to a weather forecast sound transmitting device 58 of the Meteorological Association via an analog dedicated line interface IF2, and a subscriber accommodation device (SGC) 52 is connected thereto. When the caller dials “177” from the analog telephone terminal 51 accommodated in the telephone, the weather information voice information recorded in the voice recording circuit (TKY) 57 of the subscriber switching device (GC) 53 is It is distributed to the analog telephone terminal 51 via the internal interface IF5, the subscriber accommodation device (SGC) 52, and the analog line interface IF1.

  FIG. 12 is a diagram showing an overview of another system that distributes weather forecast voice information in the PSTN network. A weather forecast voice sending device 68 of the Meteorological Association is connected to a voice recording circuit (TKY) 67 of the subscriber switching device (GC) 63 via an ISDN (Integrated Services Digital Network) line IF4. Is connected to the corresponding area guidance 69. When the caller dials “177” from the analog telephone terminal 61 accommodated in the subscriber accommodation device (SGC) 62, it is recorded in the voice recording circuit (TKY) 67 of the subscriber switching device (GC) 63. The sound information of the weather forecast in the corresponding area is distributed to the analog telephone terminal 61 via the network interface IF5, the subscriber accommodation device (SGC) 62, and the analog line interface IF1.

  FIG. 13 is a diagram showing an overview of the whole system for delivering hourly audio information in the PSTN network. The voice recording circuit (TKY) 77 of the subscriber switching device (GC) 73 is connected to a time signal voice transmission device 78 via an analog dedicated line interface IF2, and is accommodated in the subscriber accommodation device (SGC) 72. When the caller dials “117” from the analog telephone terminal 71, the time signal voice information recorded in the voice recording circuit (TKY) 77 of the subscriber switching device (GC) 73 is converted into the network interface IF5, It is distributed to the analog telephone terminal 71 via the subscriber accommodation device (SGC) 72 and the analog line interface IF1.

  In the system described above, the subscriber accommodation device (SGC) has a function of receiving a dial, a test function at the time of call connection, and a function of disconnecting a call. The subscriber switching device (GC) has a function for receiving and storing the distributed voice information, a function for receiving a dial, a function for connecting a call, a function for distributing the stored voice information, a function for disconnecting a call, and a voice output level. It has a function to adjust, a function to disconnect after a certain period of time has elapsed from the distribution of the voice information, a function to perform cue playback at the time of distribution of the voice information, and a number conversion function to convert the telephone number for the voice transmission device.

NTT East, “Telephone Service No. 1“ Weather Forecast Service 177 ””, Internet <URL: http://www.ntt-east.co.jp/release/0412/041224b.html> NTT East, “3-digit telephone number service”, Internet <URL: http://web116.jp/phone/telephone/#117_title>

  As described above, the PSTN network distributes sound information such as weather forecasts and hourly reports. On the other hand, the IP telephone network does not provide voice information such as weather forecasts and hourly reports, and the IP telephone network is equivalent to the voice information distribution service such as weather forecasts and hourly reports provided on the PSTN network. Is required to provide a good service.

  The system for distributing voice information of the PSTN network is composed of a subscriber accommodation device (SGC) and a subscriber switching device (GC), and the distributed voice is sent to a part of the device called the subscriber switching device (GC). Receiving and storing functions, dial receiving functions, call connection functions, distributed voice distribution functions, call disconnection functions, audio output level adjustment functions, disconnection functions after a certain period of time, cue playback functions As a result, many functions such as the above are aggregated, and there are problems in terms of processing capability and cost.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a service equivalent to the voice information distribution service provided in the PSTN network in the IP telephone network, An object of the present invention is to provide an audio information distribution system in which functions are not concentrated in some devices when distributing audio information.

  In order to achieve the above object, the present invention provides a voice information distribution system for distributing voice information to a terminal device accommodated in an IP telephone network, wherein the voice information is connected to the IP telephone network to store and control the distribution of the voice information. A distribution device and a call processing device connected to an IP telephone network for setting up a call between the voice distribution device and the terminal device, wherein the call processing device assigns a specific number preset from the terminal device. When received, call setup is performed between the voice delivery device and the terminal device, and the voice delivery device delivers voice information stored in advance to the terminal device after the call setup.

  It is preferable that the voice distribution device has a function of adjusting a voice output level, and the call processing device has a function of performing a call disconnection process after a predetermined time has elapsed from the distribution of the voice information. The terminal device is preferably an analog telephone terminal device or an ISDN terminal device. The voice information is preferably weather forecast information or hourly report information.

  The audio information distribution method of the present invention includes a terminal accommodating apparatus that accommodates a terminal apparatus, an audio distribution apparatus that accumulates and controls distribution of audio information, and a call that performs call setting between the audio distribution apparatus and the terminal apparatus. A voice information delivery method in an IP telephone network to which a processing device is connected, wherein the terminal accommodating device detects that a call is made from the terminal device; and the terminal accommodating device A step of performing a test before call processing after notifying the call to the processing device; and a call between the voice distribution device and the terminal device after the call processing device performs the test by the terminal accommodating device. A setting step; a step in which the voice distribution device starts distributing voice information to the terminal device after the call setting; and a voice distribution device has started distributing voice information to the terminal device. rear If there is disconnected from the terminal device, the call processor is characterized by comprising the step of instructing the unsubscribe audio information to the audio distribution system.

  In the audio information distribution method of the present invention, the call processing device transmits audio information to the audio distribution device after a certain period of time has elapsed after the audio distribution device has started distributing audio information to the terminal device. The method further includes a step of instructing to stop the distribution of the content.

  The test before the call processing is a codec loopback test for confirming the normality of the analog / digital signal conversion and / or a lever test for confirming the normality of the polarity reversal of the voltage applied from the terminal accommodating device to the terminal device. Is preferred. The terminal device is preferably an analog telephone terminal device or an ISDN terminal device. The voice information is preferably weather forecast information or hourly report information.

The present invention can provide a service equivalent to the voice information distribution service provided in the PSTN network in the IP telephone network.
In addition, according to the present invention, since functions are not concentrated in some devices when distributing audio information, the processing capability can be improved and the cost can be reduced.

It is a figure which shows the outline | summary of the audio | voice information delivery system which delivers the audio | voice information of the weather forecast which concerns on the 1st Embodiment of this invention. MEGACO / H. 6 is a sequence diagram for explaining the operation of delivering weather information for weather forecast when using H.248. MEGACO / H. 6 is a sequence diagram illustrating a time-out operation in weather forecast audio information distribution when H.248 is used. FIG. It is a sequence diagram of the operation | movement in the audio | voice information delivery of a weather forecast at the time of using SIP. It is a sequence diagram of the time-out operation | movement in the audio | voice information delivery of a weather forecast at the time of using SIP. It is a figure which shows the outline | summary of the other audio | voice information delivery system which delivers the audio | voice information of the weather forecast which concerns on the 2nd Embodiment of this invention. It is a figure which shows the outline | summary of the audio | voice information delivery system which delivers the audio | voice information of the time signal which concerns on the 3rd Embodiment of this invention. It is a sequence diagram explaining operation | movement of the audio | voice information delivery of a time signal. It is a sequence diagram explaining the time-out operation | movement in the audio | voice information delivery of a time signal. It is a figure which shows the outline | summary of the audio | voice information delivery system which delivers the audio | voice information of the time signal which concerns on the 4th Embodiment of this invention. It is a figure which shows the outline | summary of the whole system which delivers the audio | voice information of a weather forecast in a PSTN network. It is a figure which shows the outline | summary of the other system whole which delivers the audio | voice information of the weather forecast in a PSTN network. It is a figure which shows the outline | summary of the whole system which delivers the audio | voice information of the time signal in a PSTN network.

  Embodiments of the present invention will be described with reference to the drawings. The present invention receives IP calls from analog telephone terminals and ISDN terminals, establishes voice communication using a call control protocol such as SIP, and transmits and receives voice data as IP packets. The Internet Protocol) is a voice information distribution system that can provide voice information distribution services such as weather forecasts and hourly reports to analog telephone terminals and ISDN terminals in a telephone network.

(First embodiment)
FIG. 1 is a diagram showing an outline of an audio information distribution system for distributing weather forecast audio information according to the first embodiment of the present invention. An analog telephone / ISDN terminal accommodating device (MG) 14, an IP network voice distribution device (MS) 15, and an IP network call processing device (MGC) 16 are connected to the IP telephone network 13 via an IP connection interface IF3. . The analog telephone / ISDN terminal accommodating apparatus (MG) 14 is connected with an analog telephone terminal 11 via an analog line interface IF1 and an ISDN terminal 12 via an ISDN line interface IF1 ′. A weather forecast voice transmission device 18 of the Meteorological Association is connected to the voice storage circuit (TKY) 17 of the IP network voice distribution device (MS) 15 through, for example, an analog dedicated line interface IF2.

  For transmission / reception of signals between devices in the IP telephone network, SIP (Session Initiation Protocol) or MEGACO (Media Gateway Control) / H. It is conceivable to use the H.248 protocol or the like. Furthermore, call connection may be controlled by a device different from an IP network call processing device (MGC) such as AS (Application Server).

The IP network voice distribution device (MS) 15 has a function of accommodating a line such as an analog leased line, a function of recording voice information of weather forecast, a function of cueing and reproducing the voice information of weather forecast, and voice of voice information. It has a function to adjust the output level. The IP network call processing device (MGC) 16 has a function of disconnecting after a predetermined time has elapsed from the distribution of the sound information of the weather forecast, and a number conversion function of converting into a telephone number for the voice transmission device.
Thus, in the present embodiment, the IP network voice distribution device (MS) 15 and the IP network call processing device (MGC) combine these functions without consolidating the call processing function and the voice distribution function in some devices. 16 are assigned.

  FIG. 2 is a sequence diagram for explaining the operation of the weather forecast voice information distribution. For transmitting and receiving signals between devices in the IP telephone network, MEGACO / H. This is a case where the H.248 protocol is used.

  When the analog telephone terminal 11 is off-hooked, dialing “177” and making a call from the analog telephone terminal 11 (S101), the analog telephone / ISDN terminal accommodating device (MG) 14 detects the call, and the IP network The call processor (MGC) 16 is notified (S102). The IP network call processing device (MGC) 16 confirms the telephone number “177” from the detected signal (S103), and in the case of the corresponding telephone number, the call connection pre-test (for example, codec loopback test) is performed by analog telephone. / ISDN terminal accommodating apparatus (MG) 14 is instructed (S104). Here, the codec loopback test is a test for confirming the normality of analog / digital signal conversion. When the test is completed, the analog telephone / ISDN terminal accommodating device (MG) 14 notifies the IP network call processing device (MGC) 16 of the test result (S105). When receiving the test result, the IP network call processing device (MGC) 16 notifies the IP network voice distribution device (MS) 15 of the call (S106).

  The IP network voice distribution device (MS) 15 returns the notification to the IP network call processing device (MGC) 16 (S107), and the IP network call processing device (MGC) 16 performs a call connection pre-test (for example, a lever test). ) Is instructed to the analog telephone / ISDN terminal accommodating apparatus (MG) 14 (S108). Here, the lever test is a test for confirming the normality of the polarity reversal of the voltage applied from the telephone office (terminal accommodating apparatus) to the telephone terminal. When the test is completed, the analog telephone / ISDN terminal accommodating device (MG) 14 notifies the IP network call processing device (MGC) 16 of the test result (S109). When the IP network call processing device (MGC) 16 receives the test result, the IP network call processing device (MGC) 16 instructs the IP network voice distribution device (MS) 15 to distribute the weather forecast voice information stored in the voice storage circuit (TKY) 17 (S110). ). The IP network voice delivery device (MS) 15 delivers the weather forecast voice information to the analog telephone terminal 11 when a delivery instruction is given (S111).

  When there is a disconnection (on-hook) from the analog telephone terminal 11 (S112), the analog telephone / ISDN terminal accommodating apparatus (MG) 14 detects the disconnection and notifies the IP network call processing apparatus (MGC) 16 (S113). The IP network call processing device (MGC) 16 instructs the analog telephone / ISDN terminal accommodating device (MG) 14 to perform call disconnection processing, and stops the distribution of weather forecast voice information to the IP network voice distribution device (MS) 15. A call disconnection process is instructed (S114).

  FIG. 3 is a sequence diagram illustrating a time-out operation in weather forecast audio information distribution. The IP network call processing device (MGC) 16 has a timer for monitoring the call disconnection of the analog telephone terminal 11, and even after a predetermined time has elapsed since the IP network voice distribution device (MS) 15 was instructed to distribute voice information. If there is no call disconnection, the IP network voice distribution device (MS) 15 is instructed to stop the distribution of weather forecast voice information and to perform call disconnection processing. The IP network call processing device (MGC) 16 issues a busy tone (BT) transmission instruction to the analog telephone / ISDN terminal accommodating device (MG) 14. When receiving the busy tone (BT) transmission instruction, the analog telephone / ISDN terminal accommodating apparatus (MG) 14 transmits a busy tone (BT) to the analog telephone terminal 11 to prompt the analog telephone terminal 11 to disconnect the call.

  FIG. 4 shows a sequence diagram of operations in weather forecast voice information distribution when SIP is used as a signal exchanged between devices in the IP telephone network. FIG. 5 shows a sequence diagram of a time-out operation in the weather forecast audio information distribution when SIP is used as a signal exchanged between devices in the IP telephone network.

  In the above-described embodiment, the codec loopback test and the lever test are performed as the pre-call connection test. However, the call connection pre-test is not limited to the codec loop test and the lever test. Further, either the codec folding test or the levers test may be used.

(Second Embodiment)
FIG. 6 is a diagram showing an outline of another audio information distribution system for distributing weather forecast audio information according to the second embodiment of the present invention. An analog telephone / ISDN terminal accommodating device (MG) 24 and an IP network call processing device (MGC) 26 are connected to the IP telephone network 23 via an IP connection interface IF3. The analog telephone / ISDN terminal accommodating apparatus (MG) 24 is connected to the analog telephone terminal 21 via the analog line interface IF1 and is connected to the ISDN terminal 22 via the ISDN line interface IF1 ′. The analog telephone / ISDN terminal accommodating device (MG) 24 is connected to, for example, a weather forecast voice sending device 28 of the Meteorological Association via the ISDN line interface IF4. Is connected.

  For transmission / reception of signals between devices in the IP telephone network, SIP (Session Initiation Protocol) or MEGACO (Media Gateway Control) / H. It is conceivable to use the H.248 protocol or the like. Furthermore, call connection may be controlled by a device different from an IP network call processing device (MGC) such as AS (Application Server).

  The IP network call processing device (MGC) 26 has a function of disconnecting after a predetermined time has elapsed from the distribution of the sound information of the weather forecast, and a number conversion function of converting into a telephone number for the voice transmission device. The weather forecast voice sending device 28 has a function of recording weather forecast voice information.

  When a caller dials “177” from the analog telephone terminal 21 accommodated in the analog telephone / ISDN terminal accommodating apparatus (MG) 24, a codec loopback test by the analog telephone / ISDN terminal accommodating apparatus (MG) 24 and / or After the reversal test, the sound information of the weather forecast in the relevant area recorded in the relevant area guidance 29 is sent to the analog telephone terminal 21 via the weather forecast voice transmitting device 28 and the analog telephone / ISDN terminal accommodating device (MG) 24. be delivered.

  In the first and second embodiments, the operation of distributing weather forecast voice information when “177” is dialed from an analog telephone terminal has been described, but the same operation is performed when “177” is dialed from an ISDN terminal. In operation, the weather forecast voice information is distributed to the ISDN terminal.

(Third embodiment)
FIG. 7 is a diagram showing an outline of an audio information distribution system for distributing hourly audio information according to the third embodiment of the present invention. An analog telephone / ISDN terminal accommodating device (MG) 34, an IP network voice distribution device (MS) 35, and an IP network call processing device (MGC) 36 are connected to the IP telephone network 33 via an IP connection interface IF3. . An analog telephone terminal 31 is connected to the analog telephone / ISDN terminal accommodating apparatus (MG) 34 via an analog line interface IF1 and an ISDN terminal 32 is connected via an ISDN line interface IF1 ′. A time signal voice transmission device 38 is connected to a voice storage circuit (TKY) 37 of the IP network voice distribution device (MS) 35 via, for example, an analog dedicated line interface IF2. The time signal voice transmitting device 38 includes, for example, a master time device, a time signal service dedicated device, and a sound memory, and the master time device is connected to the standard time supply system 39 via the PSTN network.

  For transmission / reception of signals between devices in the IP telephone network, SIP (Session Initiation Protocol) or MEGACO (Media Gateway Control) / H. It is conceivable to use the H.248 protocol or the like. Furthermore, call connection may be controlled by a device different from an IP network call processing device (MGC) such as AS (Application Server).

The IP network voice distribution device (MS) 35 has a function of accommodating a line such as an analog dedicated line, a function of distributing timely voice information, and a function of adjusting the voice output level of the voice information. The IP network call processing device (MGC) 36 has a function of disconnecting after a certain period of time has elapsed from the distribution of the timely voice information.
Thus, in the present embodiment, the IP network voice distribution device (MS) 15 and the IP network call processing device (MGC) combine these functions without consolidating the call processing function and the voice distribution function in some devices. 16 are assigned.

  The master time device of the time signal audio sending device 38 receives time data from the standard time supply system 39 while synchronizing with the time of the standard time supply system 39, and the time signal service dedicated device is the time of the master time device. Is synthesized based on the time signal, and the synthesized sound is stored in the voice memory. Also, the time signal service dedicated device provides the synthesized sound stored in the voice memory to the voice storage circuit (TKY) 37 of the IP network voice distribution device (MS) 35 as voice information of the time signal.

  FIG. 8 is a sequence diagram for explaining the operation of distributing hourly audio information. For transmitting and receiving signals between devices in the IP telephone network, MEGACO / H. This is a case where the H.248 protocol is used.

  When the analog telephone terminal 31 is off-hooked and "117" is dialed to make a call from the analog telephone terminal 31 (S201), the analog telephone / ISDN terminal accommodating device (MG) 34 detects the call, and the IP network The call processor (MGC) 36 is notified (S202). The IP network call processing device (MGC) 36 confirms the telephone number “117” from the detected signal (S203), and in the case of the corresponding telephone number, the call connection pre-test (for example, codec loopback test) is performed by analog telephone / ISDN. The terminal accommodating device (MG) 34 is instructed (S204). When the test is completed, the analog telephone / ISDN terminal accommodating device (MG) 34 notifies the IP network call processing device (MGC) 36 of the test result (S205). When the IP network call processing device (MGC) 36 receives the test result, the IP network call processing device (MGC) 36 instructs the IP network voice distribution device (MS) 35 to distribute the audio information of the time signal stored in the voice storage circuit (TKY) 37 (S206). ).

  The IP network voice distribution device (MS) 35 returns a distribution instruction to the IP network call processing device (MGC) 36 (S207), and the IP network call processing device (MGC) 36 performs a call connection pre-test (for example, (Levers test) is instructed to the analog telephone / ISDN terminal accommodating device (MG) 34 (S208). When the test is completed, the analog telephone / ISDN terminal accommodating device (MG) 34 notifies the IP network call processing device (MGC) 36 of the test result (S209). Thereafter, the IP network voice delivery device (MS) 35 delivers the timely voice information to the analog telephone terminal 31 (S210).

  When there is a disconnection (on-hook) from the analog telephone terminal 31 (S211), the analog telephone / ISDN terminal accommodating apparatus (MG) 34 detects the disconnection and notifies the IP network call processing apparatus (MGC) 36 (S212). The IP network call processing device (MGC) 36 instructs the analog telephone / ISDN terminal accommodating device (MG) 34 to perform call disconnection processing, and calls the IP network voice distribution device (MS) 35 to stop the distribution of timely voice information. A cutting process is instructed (S213).

  FIG. 9 is a sequence diagram for explaining a time-out operation in audio information distribution of hourly reports. The IP network call processing device (MGC) 36 has a timer for monitoring the call disconnection of the analog telephone terminal 31, and a predetermined time has elapsed since the IP network voice distribution device (MS) 35 was instructed to distribute the timely voice information. If there is no subsequent call disconnection, the IP network voice distribution device (MS) 35 is instructed to stop the distribution of the timely voice information and to perform a call disconnection process. Also, the IP network call processing device (MGC) 36 issues a busy tone (BT) transmission instruction to the analog telephone / ISDN terminal accommodating device (MG) 34. When the analog telephone / ISDN terminal accommodating apparatus (MG) 34 receives the busy tone (BT) transmission instruction, the analog telephone / ISDN terminal accommodating apparatus (MG) 34 transmits a busy tone (BT) to the analog telephone terminal 31 to prompt the analog telephone terminal 31 to disconnect the call.

  In the above-described embodiment, the codec loopback test and the lever test are performed as the pre-call connection test. However, the call connection pre-test is not limited to the codec loop test and the lever test. Further, either the codec folding test or the levers test may be used.

(Fourth embodiment)
FIG. 10 is a diagram showing an outline of an audio information distribution system for distributing hourly audio information according to the fourth embodiment of the present invention. An analog telephone / ISDN terminal accommodating device (MG) 44 and an IP network call processing device (MGC) 46 are connected to the IP telephone network 43 via an IP connection interface IF3. The analog telephone / ISDN terminal accommodating apparatus (MG) 44 is connected to an analog telephone terminal 41 via an analog line interface IF1, and is connected to an ISDN terminal 42 via an ISDN line interface IF1 ′. The analog telephone / ISDN terminal accommodating apparatus (MG) 44 is connected to a time signal voice transmission device 48 via, for example, an analog dedicated line interface IF2, and the time signal voice transmission device 48 is connected to a standard time supply system 49. ing.

  For transmission / reception of signals between devices in the IP telephone network, SIP (Session Initiation Protocol) or MEGACO (Media Gateway Control) / H. It is conceivable to use the H.248 protocol or the like. Furthermore, call connection may be controlled by a device different from an IP network call processing device (MGC) such as AS (Application Server).

  The analog telephone / ISDN terminal accommodating device (MG) 44 has a function of accommodating a line such as an analog dedicated line, a function of distributing audio information of a time signal, and a function of adjusting the audio output level of the audio information. The IP network call processing device (MGC) 46 has a function of disconnecting after a certain period of time has elapsed from the distribution of the timely voice information.

  When the analog telephone terminal 41 of the caller accommodated in the analog telephone / ISDN terminal accommodating apparatus (MG) 44 dials “117”, the codec loopback test and / or levers by the analog telephone / ISDN terminal accommodating apparatus (MG) 44 is performed. After the test, the hourly audio information recorded in the audio memory of the hourly audio transmission device 48 is distributed to the analog telephone terminal 41 via the analog telephone / ISDN terminal accommodating apparatus (MG) 44.

  In the third and fourth embodiments, the operation of distributing the hourly audio information when “117” is dialed from the analog telephone terminal has been described. However, the same operation is performed when “117” is dialed from the ISDN terminal. Thus, the audio information of the time signal is distributed to the ISDN terminal.

11, 21, 31, 41, 51, 61, 71 Analog telephone terminal 12, 22, 32, 42 ISDN terminal 13, 23, 33, 43 IP telephone network 14, 24, 34, 44 Analog telephone / ISDN terminal accommodating device ( MG)
15, 35 IP network voice distribution equipment (MS)
16, 26, 36, 46 IP network call processor (MGC)
17, 37 Voice accumulation circuit (TKY)
18, 28, 58, 68 Weather forecast voice transmission device 29, 69 Applicable area guidance 38, 48, 78 Time signal voice transmission device 39, 49, 79 Standard time supply system 52, 62, 72 Subscriber accommodation device 53, 63, 73 Subscriber switching device 57, 67, 77 Voice recording circuit

Claims (9)

An audio information distribution system for distributing audio information to a terminal device accommodated in an IP telephone network,
An audio distribution device connected to the IP telephone network for accumulating audio information and controlling distribution;
A call processing device connected to an IP telephone network and performing call setting between the voice distribution device and the terminal device;
The call processing device performs call setting between the voice distribution device and the terminal device when receiving a specific number preset from the terminal device, and the voice distribution device stores in advance after the call setting A voice information distribution system, wherein the voice information is distributed to the terminal device.   2. The voice distribution device has a function of adjusting a voice output level, and the call processing device has a function of performing a call disconnection process after a predetermined time has elapsed from the distribution of the voice information. The audio information distribution system described.   The voice information distribution system according to claim 1, wherein the terminal device is an analog telephone terminal device or an ISDN terminal device.   The voice information distribution system according to any one of claims 1 to 3, wherein the voice information is weather forecast information or hourly report information. In an IP telephone network in which a terminal accommodating device that accommodates a terminal device, a voice distribution device that accumulates and controls distribution of voice information, and a call processing device that performs call setting between the voice distribution device and the terminal device are connected. An audio information delivery method,
The terminal accommodating device detecting that a call is made from the terminal device; and
The terminal accommodating device performs a test before call processing after notifying the call processing device of the call; and
The call processing device performing call setting between the voice distribution device and the terminal device after performing the test by the terminal accommodating device;
The voice delivery device starts delivering voice information to the terminal device after the call setup;
A step of instructing the voice delivery device to stop delivering voice information when the voice delivery device is disconnected after the voice delivery device starts delivering voice information to the terminal device; ,
A voice information delivery method comprising:   If the predetermined time has elapsed after the voice distribution device starts distributing the voice information to the terminal device, the call processing device further includes a step of instructing the voice distribution device to stop distributing the voice information. The audio information delivery method according to claim 5, further comprising:   The test before the call processing is a codec loopback test for confirming the normality of the analog / digital signal conversion and / or a reversal test for confirming the normality of the polarity reversal of the voltage applied from the terminal accommodating device to the terminal device. The audio information delivery method according to claim 5 or 6, characterized in that   The voice information distribution method according to any one of claims 5 to 7, wherein the terminal device is an analog telephone terminal device or an ISDN terminal device.   9. The audio information distribution method according to claim 5, wherein the audio information is weather forecast information or hourly information.

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