JP2005094295A - IP phone system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an IP phone system whereby an emergency phone caller can be connected to a nearby emergency phone reception center in the case of dialing an emergency call number 110 or 119 or the like. <P>SOLUTION: A terminal group 213 and an IP relaying apparatus 204 are disposed to each of a plurality of areas managed by an IP phone carrier 209. A database 212 stores positional information (e.g., an xx city, a yy street, and a toll station number of a subscriber telephone network, or the like) of the terminal group 213 and an IP address of the IP relaying apparatus 204 in cross-reference with each other. When a telephone set 201 makes an emergency phone call, an adaptor 203 uses a line 204 to make communication with the IP relaying apparatus 204. In this case, the adaptor 203 suppresses communication information of a personal computer 202 to take precedence of communication of the emergency phone call over others. Further, the IP relaying apparatus 204 connects the emergency call to an emergency phone call receiving apparatus 211 via a network 207. Moreover, the emergency phone call receiving apparatus 211 acquires the positional information of the terminal group 213 from the database 212 by using the IP address of the IP relaying apparatus 204 for a key and transfers the phone call to an emergency phone reception center 205 in a particularized area. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  More particularly, the present invention relates to an IP telephone system that connects emergency calls such as 110 and 119 to the nearest emergency call reception center from an emergency call source.

With the development of an IP telephone network that can be used at a lower cost than a conventional subscriber telephone network, the spread of IP telephones to ordinary homes is expected in the future. The IP telephone provides a telephone service using VoIP (Voice over Internet Protocol) technology in an existing Internet network.
Usually, when using the Internet, an ISP (Internet Service Provider) is used. There are currently dozens of ISPs, each managing their own network. In the Internet, IP addresses are used to identify users, relay devices, and the like. This IP address does not include physical location information, and the network of each ISP is spread throughout the country. Therefore, the location of the other party cannot be known by IP phone. On the other hand, in the subscriber telephone network, since the caller is managed by the telephone number including the area code, it is easy to know the location information of the telephone that is making a call.
By the way, even in an IP telephone system using the Internet network, emergency calls such as 110 and 119 may be made. Because of the necessity, an emergency call is made at the same level as a telephone using a conventional subscriber telephone network. It is necessary to perform the connection service. The technology regarding the emergency telephone connection service is disclosed in the following patent document.
Japanese Patent No. 3139623

  In Patent Document 1, when the communication line is an emergency line such as 110 or 119, even if the communication line is disconnected, reconnection can be performed as in the case of a telephone using a conventional subscriber telephone network. The Internet telephone system and its emergency line connection method are described.

However, when making an emergency call on a telephone using the conventional telephone network, in addition to the service that reconnects even if the communication line is disconnected, the connection is automatically made to the emergency call reception center nearest to the caller's telephone. Some services are available. Patent Document 1 is for realizing the former service of performing reconnection even when a communication line is disconnected. As mentioned above, since the location information cannot be grasped by IP phone over the Internet network, the nearest emergency call reception center cannot be determined, and the latter service that automatically connects to the nearest emergency call reception center cannot be realized. there were.
Therefore, an object of the present invention is to provide an IP telephone system that can connect an emergency telephone caller to the nearest emergency telephone reception center when making an emergency call such as 110 or 119.

  According to the first aspect of the present invention, there are provided an IP (Internet Protocol) network, an ISP (Internet Service Provider), and a plurality of IPs connected to the IP network through an IP telephone adapter device and an IP relay device which is a router of the ISP. In the IP telephone system comprising a telephone terminal, the IP relay unit is arranged in each region, and an IP address of the IP relay unit and position information specifying the region in which the IP relay unit is disposed; The above object is achieved by providing a database in which

  According to a second aspect of the present invention, in the IP telephone system according to the first aspect, when an emergency call is made from the IP telephone terminal to the police or a fire department, an IP emergency telephone reception device that receives communication of the emergency telephone Is further provided in the IP network to achieve the object.

  According to a third aspect of the present invention, in the IP telephone system according to the second aspect, when the emergency telephone communication is received by the IP emergency telephone reception device, the IP telephone terminal that has called the emergency telephone is connected. Search means for searching the database based on the IP address of the IP relay device, and position information acquisition means for acquiring the position information of the IP relay device as a search result of the search means. This achieves the object.

  According to a fourth aspect of the present invention, in the IP telephone system according to the third aspect, when the emergency telephone communication is received by the IP emergency telephone reception device, the database is searched by the search means, and the location information The object is achieved by further comprising transfer means for acquiring the location information of the IP repeater by the acquisition means and transferring the emergency call to the nearest emergency call reception center based on the position information.

  According to a fifth aspect of the present invention, there is provided the IP telephone system according to the fourth aspect, further comprising suppression means for suppressing communication other than the emergency telephone communication when the IP telephone terminal calls the emergency telephone. The object is achieved by providing the suppression means in the IP telephone adapter device.

  According to the IP telephone system of the first aspect, it is possible to provide an environment in which location information can be specified from an IP address.

  According to the IP telephone system of the second aspect, when an emergency call is made from the IP telephone terminal, a base for accepting the emergency call can be set in the IP network.

  According to the IP telephone system described in claim 3, when an emergency call is made from an IP telephone terminal, it is possible to specify the location information of the IP telephone terminal that is the source of the emergency telephone call. You can know if it was called.

  According to the IP telephone system described in claim 4, when an emergency call is made from an IP telephone terminal, it is possible to connect to the nearest emergency telephone reception center from the IP telephone terminal of the emergency telephone call source. It is possible to provide an emergency telephone connection service similar to the subscriber telephone network.

  According to the IP telephone system of claim 5, when an emergency telephone call is made from the IP telephone terminal, communication information other than the emergency telephone, such as communication information from a personal computer, is suppressed, thereby enabling emergency telephone communication. Therefore, it is possible to improve the sound quality of emergency calls and prevent communication interruptions or delays during conversation.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to FIGS.
FIG. 1 is a diagram showing a configuration of a conventional IP telephone system. With reference to FIG. 1, the configuration of a conventional IP telephone system and a connection procedure for making an emergency call or a normal call other than an emergency call will be described.
A telephone 101 and a personal computer 102 are connected to an IP relay device 104 managed by an IP telephone carrier 113 via an IP telephone adapter 103 and an ADSL line 107.
When making a call from the telephone 101, when the other party is a normal telephone other than an emergency telephone such as 110 or 119, the IP telephone adapter 103 is connected to the ADSL line 107 when the other party's telephone is an IP telephone. When the IP telephone 104 of the IP telephone carrier 113 is connected to the call destination telephone A 108 or the call destination telephone B 109 using the IP network 104 and the call destination telephone is a telephone of the subscriber telephone line network 112, The IP network 111 is connected to the subscriber telephone network 112 via the gateway 114 and connected to the call destination telephone C110.
Further, when making a call from the telephone 101, when the other party is an emergency telephone such as 110 or 119, the IP telephone adapter 103 uses the general telephone line 106 dedicated to the emergency telephone to use the subscriber telephone network 112. Is connected to the emergency call reception center 105.

FIG. 2 is a diagram showing a configuration of the IP telephone system according to the embodiment of the present invention. With reference to FIG. 2, the configuration of the IP telephone system according to the embodiment of the present invention and the connection procedure for making an emergency call will be described.
A telephone 201 and a personal computer 202 are connected to an IP relay device 204 managed by an IP telephone operator 209 via an IP telephone adapter 203 and an ADSL line 206. Here, the telephone 201, the personal computer 202, and the IP telephone adapter 203 are connected in the same area such as the same city or the same town. All of the telephone 201, the personal computer 202, and the IP telephone adapter 203 connected in the same area are referred to as a terminal group 213 in the same area. The terminal group 213 and the IP relay device 204 in the same area exist for each of a plurality of areas managed by the IP telephone provider 209. Here, the IP relay device 204 is a final stage router or the like that connects the IP telephone carrier 209 that is an ISP, the telephone 201 that is an ISP subscriber, and the personal computer 202, and has a global IP address.
The IP address and location information database 212 is an IP that connects the location information of the terminals 213 in the same region (eg, city, city, or area code of the subscriber telephone network 208) and the IP telephone adapter 203. The IP address (global IP address) of the repeater 204 is stored in association with each other. As a result, it is possible to specify the area where the call originates based on which IP relay 204 the communication from the IP telephone adapter 203 by the call from the telephone 201 has passed through.

  When an emergency call such as 110 or 119 is made from the telephone 201, the IP telephone adapter 203 communicates with the IP repeater 204 managed by the IP telephone provider 209 using the ADSL line 206. At this time, the IP telephone adapter 203 suppresses communication information from the personal computer 202 and gives priority to emergency telephone communication. The IP relay device 204 connects to the IP emergency call reception device 211 in the IP network 207 from the IP telephone provider 209 via the IP network 207. At this time, the IP relay device 204 notifies the IP emergency call reception device 211 of its own IP address. Then, the IP emergency call reception device 211 that has received the emergency call via the IP relay device 204 searches the IP address and location information database 212 using the IP address of the IP relay device 204 as a key, and the same region. By acquiring the location information of the terminal group 213, the calling area is specified. Then, the IP emergency call reception device 211 transfers the call to the specified emergency call reception center 205. This transfer is performed when the IP emergency call reception device 211 is connected to the subscriber telephone network 208 via the gateway 210 from the IP network network 207 in which the IP emergency call reception device 211 is connected, and connected to the emergency call reception center 205 in the specified area. Is called.

Note that the connection procedure for making a normal call other than an emergency call is the same as the connection procedure in the above-described conventional IP telephone system, and thus description thereof is omitted.
With the above connection procedure, when making an emergency call in the IP telephone system according to the embodiment of the present invention, it is always possible to connect from the emergency call source to the nearest emergency call reception center. In addition, when making an emergency call in the IP telephone system according to the embodiment of the present invention, priority is given to emergency call communication by suppressing communication information other than the emergency call, so that the sound quality of the emergency call is improved and the conversation is in progress. It is possible to prevent communication from being interrupted or delayed.
Moreover, although the police (110) and the fire department (119) are mentioned as an example of an emergency call, gas leak, emergency medical care, etc. are mentioned to others. Similar connection procedures can be applied to these gas leaks and emergency medical care.

It is the figure which showed the structure of the conventional IP telephone system. It is the figure which showed the structure of the IP telephone system which concerns on embodiment of this invention.

Explanation of symbols

101 telephone 102 personal computer 103 IP telephone adapter 104 IP relay machine 105 emergency telephone reception center 106 general telephone line 107 ADSL line 108 destination telephone A
109 Called telephone B
110 Destination phone C
111 IP network network 112 Subscribed telephone line network 113 IP telephone carrier 114 Gateway 201 Telephone 202 Personal computer 203 IP telephone adapter 204 IP repeater 205 Emergency call reception center 206 ADSL line 207 IP network network 208 Subscribed telephone line network 209 IP telephone carrier 210 Gateway 211 IP emergency call reception device 212 IP address and location information database 213 Terminal group in the same region

Claims (5)

An IP (Internet Protocol) network;
ISP (Internet Service Provider),
In an IP telephone system comprising a plurality of IP telephone terminals connected to the IP network via an IP telephone adapter device and an IP relay device that is a router of the ISP,
The IP repeater is arranged separately for each region,
An IP telephone system comprising a database in which an IP address of the IP relay device is associated with position information for specifying an area where the IP relay device is located.   2. The IP network further comprises an IP emergency call reception device for receiving communication of the emergency call when an emergency call is made from the IP telephone terminal to the police or fire department. IP phone system. When the emergency call communication is received by the IP emergency call reception device,
Search means for searching the database based on an IP address of the IP relay device to which the IP telephone terminal that has made the emergency call is connected;
3. The IP telephone system according to claim 2, further comprising: position information acquisition means for acquiring position information of the IP relay device that is a search result of the search means.   When the emergency call communication is received by the IP emergency call reception device, the database is searched by the search means, the position information of the IP relay is acquired by the position information acquisition means, and the position information 4. The IP telephone system according to claim 3, further comprising transfer means for transferring the emergency call to a nearest emergency call reception center based on the above. When there is an emergency call from the IP phone terminal, the IP phone terminal further comprises suppression means for suppressing communication other than the emergency call communication,
5. The IP telephone system according to claim 4, wherein the suppression means is provided in the IP telephone adapter device.

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