WO2005011252A1 - ゲートウェイ装置、音声通話システム及び音声通話方法 - Google Patents
ゲートウェイ装置、音声通話システム及び音声通話方法 Download PDFInfo
- Publication number
- WO2005011252A1 WO2005011252A1 PCT/JP2004/010732 JP2004010732W WO2005011252A1 WO 2005011252 A1 WO2005011252 A1 WO 2005011252A1 JP 2004010732 W JP2004010732 W JP 2004010732W WO 2005011252 A1 WO2005011252 A1 WO 2005011252A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- telephone
- communication
- voice
- signal
- identifier
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000005236 sound signal Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 101150012579 ADSL gene Proteins 0.000 description 2
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 2
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
- H04M7/0066—Details of access arrangements to the networks
- H04M7/0069—Details of access arrangements to the networks comprising a residential gateway, e.g. those which provide an adapter for POTS or ISDN terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Definitions
- Gateway device voice communication system and voice communication method
- the present invention relates to a gateway device installed on the premises of a telephone station, a gateway device using the gateway device, a voice communication system, and a voice communication method.
- ADSL Asymmetric Digital Subscriber Line
- High-speed communication lines such as the Subscriber Line method have begun to spread. Also, as disclosed in Japanese Patent Application Laid-Open No. 2001-144854, an Internet telephone service for real-time voice communication via the Internet using such a high-speed communication line is provided. Has become.
- FIG. 6 is a block diagram for implementing a conventional Internet telephone service.
- a modem 12 is connected to a metallic cable 3 such as a telephone line via a splitter 14, and a personal computer capable of data communication via a TA 15 is connected to the modem 12.
- a general-purpose computer 11 and a telephone 13 for making a voice call.
- the TA15 has a terminal for data communication such as LAN and USB, and a line terminal for connecting a general telephone, and has a conversion function for packetizing voice.
- a splitter 21 is connected to the metallic cable 3, and a DSLAM (Digital Subscriber Line Access Multiplexer) 22 and a subscriber exchange 24 are connected to the splitter 21.
- the DSLAM 22 is connected to the Internet 4 via a router 25, and the local exchange 24 is connected to an analog public switched telephone network (PSTN) 5.
- PSTN public switched telephone network
- a voice signal from the telephone 13 is converted into a data signal by the modem 12, transmitted to the DSLAM 22 through the splitters 14, 21, and transmitted to the DSLAM 22.
- the data is sent to the Internet network 4 via the data 25.
- the modem 12 outputs a voice signal to the splitter 14 which does not convert the voice signal. Sent out.
- the present invention has been made in view of the above points, and by simplifying the equipment on the subscriber side, the installation work at the time of introduction is reduced, and the equipment cost is reduced. It is an object of the present invention to provide a gateway device, a voice communication system, and a voice communication method that can save space.
- the present invention provides a communication line connected to a telephone set on the premises of a subscriber, a voice communication unit that performs voice communication with the telephone through the communication line, and a telephone.
- An identifier generating means for generating a caller identifier for identifying a telephone and a callee identifier for identifying a communication device of a telephone to be communicated with based on the control signal of the telephone, a voice signal related to voice communication, and a packet signal.
- a packet transmitting / receiving unit for transmitting / receiving a packet signal based on a caller identifier and a callee identifier.
- a voice IP packet is executed on the premises of a telephone station, it is not necessary for the subscriber premises to provide a VOIP-compatible modem or TA dedicated to Internet telephone. It is possible to simplify the equipment on the side, to reduce complicated connection work and equipment costs when introducing an Internet telephone, and to reduce the installation space.
- the signal transmitted and received through the communication line at the telephone station side is It is preferable to transmit and receive the digital signal separated from the packet as a packet signal.
- data communication by a personal computer or the like is possible while talking on the telephone.
- voice packetization is performed on the telephone station side, it is sufficient to install only a normal modem in the subscriber's house, and equipment costs can be reduced.
- the telephone station outputs the voice signal to the local exchange which does not convert the voice signal into a bucket signal based on the call destination identifier.
- the central office determines whether or not the destination of the call is symmetrical to the Internet telephone service, it is not necessary to install a device for performing such determination at the subscriber side. It is possible to omit the device on the home side.
- the telephone station has, for each subscriber, a subscriber database for registering a communication network to be normally connected and a communication network to be connected according to a call destination identifier, and subscribes based on the connection destination identifier. It is preferable to collate the user database and select a communication network to be connected according to the collation result. According to such an invention, it is possible to individually set a communication network (such as an IP network or a PSTN network) to be used preferentially for each subscriber and a communication network to be used according to a communication partner. , And can appropriately respond to user needs.
- a communication network such as an IP network or a PSTN network
- FIG. 1 is a block diagram showing an entire communication system according to a first embodiment.
- FIG. 2 is a block diagram showing an internal configuration of the gateway device according to the first embodiment.
- FIG. 3 is a flowchart showing an operation process when a call is started from inside subscriber's house 1 in the first embodiment.
- FIG. 4 is a block diagram showing an entire communication system according to a second embodiment.
- FIG. 5 is a block diagram showing an entire communication system according to a third embodiment.
- FIG. 6 is a block diagram for implementing a conventional Internet telephone service. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a block diagram showing the entire communication system according to the first embodiment.
- the inside of the subscriber's house 1 and the inside of the central office 2 of the central office are connected by a metallic cable 3 such as a telephone line or a copper line.
- the telephone 13 is directly connected to the metallic cable 3.
- a splitter 21 is connected to the metallic cable 3
- a gateway device 23 is connected to the splitter 21.
- the gateway device 23 is connected to a router 25 for connecting to the Internet 4 and to a local exchange 24 for connecting to the analog public network 5.
- the gateway device 23 includes a voice communication unit 23a that performs voice communication with the telephone 13 through the metallic cable 3, and a caller identifier and a telephone call based on a control signal from the telephone 13.
- An identifier generation unit 23b for generating a destination identifier, a conversion unit 23d for mutually converting a voice signal and a packet signal for voice communication, and packet transmission / reception for transmitting / receiving a packet signal based on a caller identifier and a callee identifier.
- a determining unit 23e for outputting the voice signal to the local exchange 24 without converting the voice signal into a packet signal based on the callee identifier.
- the caller identifier is an IP address or the like generated based on a telephone number or the like for identifying telephone 13 in subscriber premises 1 as the caller, and the callee identifier is the telephone of the callee.
- Etc. is an IP address associated with the telephone number attached to, for example.
- the determination unit 23e is a module that identifies a call addressed to a telephone number that is not covered by the IP telephone service, for example, the call destination is 110, and is not covered by the IP telephone service. For calls, the voice communication unit 23a is directly connected to the local exchange 24, and packetization is not performed.
- FIG. 3 is a flowchart showing an operation process when a call is started from inside the subscriber's house 1.
- a communication start request signal is transmitted to the gateway device 23 in the station 2 based on the dial operation.
- the communication start request signal includes a caller identifier and a callee identifier such as a telephone number for specifying the telephone 13 and the callee telephone.
- the determination unit 23e of the gateway device 23 extracts the call destination identifier, and determines whether the call destination is a service target. It is determined (S102). If the callee is out of service, the determination unit 23e connects the voice communication unit 23a directly to the local exchange 24 (S103), and executes voice communication through the analog public network 5 without performing packet conversion. (S104).
- the identifier generation unit 23b generates a call destination identifier based on the telephone number of the call destination (S105).
- the audio signal is converted into an IP packet by the conversion unit 23d (S106).
- the converted packet is output to the router 25 by the packet transmitting / receiving unit 23c, and communication is started through the Internet 4 (S107).
- the voice IP packet is performed in the station building, it is necessary to provide a VOIP-compatible modem or TA dedicated to the Internet telephone at the subscriber's house side. Therefore, the equipment on the subscriber side can be simplified, complicated connection work and equipment cost when introducing an Internet telephone can be reduced, and the installation space can be reduced.
- FIG. 4 is a block diagram showing the entire communication system according to the second embodiment.
- a description will be given of a system configuration in which data communication is also performed in the first embodiment.
- a splitter 14 is installed in the subscriber's house 1, and a telephone 13 and a modem 12 are connected to the splitter 14.
- the modem 12 is a normal data communication modem having no VOIP function, and is connected to a general-purpose computer 11.
- a splitter 21 is connected to the metallic cable 3, and a DSLAM (Digital Subscriber Line Access Multiplexer) 22 and a gateway device 23 are connected to the splitter 21.
- the DSLAM 22 is an access multiplexing device for transmitting and receiving a digital signal separated from a signal transmitted and received through the metallic cable 3 as a packet signal.
- the DSLAM 22 is connected to the Internet 4 via a router 25, and the gateway device 23 receives PSTN (Public Switched Telephone) Network) 5
- the splitters 14 and 21 are located at both ends of the asymmetric digital subscriber line (subscriber home) as in the past.
- This is a frequency demultiplexer that is attached to the 1st and 2nd stations) and mixes and separates analog voice signals (telephone signals) and ADSL data communication signals.
- the demultiplexed data communication signal is output to the DSLAM 22, and the analog voice signal is output to the gate-to-way device 23.
- a dial operation is performed by the telephone 13 in the subscriber's house 1 and the splitters 14, 21
- a voice signal is transmitted / received through the station 2, and it is determined in the station 2 whether or not the call destination is a service target. If the call destination is not a service target, the call destination is directly connected to the subscriber exchange 24, Voice communication is performed through the analog public network 5 without performing conversion, and when it is determined that the communication destination is a service target, the voice signal is converted into an IP packet, and communication is performed through the Internet network 4.
- a data signal from the general-purpose computer 11 is transmitted to the station 2 via the modem 12 and the splitters 14 and 21.
- the data signal is separated by the splitter 21 and input to the DSLAM 22.
- the DSLAM 22 transmits the IP packet to the Internet 4 through the router 25 based on the header information of the IP packet.
- data communication can be performed by the general-purpose computer 11 while talking on the telephone 13.
- voice packetization is performed by the gateway device 23 in the station building 2, it is sufficient to install only the normal modem 12 in the subscriber's house 1, and the equipment cost can be reduced.
- the DSLAM 22 and the gateway device 23 in the station building 2 are separate and independent devices.
- the present invention is not limited to this.
- the function of the toy device may be integrated, or the splitter 21 may be integrated. In this case, the installation space in the station building 2 can be omitted.
- a third embodiment of the present invention will be described.
- a plurality of types of lines such as an analog line and an ISDN line can be supported, and a communication network (Internet 4 or PSTN5) for each subscriber can be set. It is characterized by the ability to function.
- a line type signal processing unit 23h that performs signal processing for each line type is provided, and the judgment unit 23e is provided for each subscriber.
- a conventional analog line low-frequency band POTS Pulin Old Telephone Service
- one physical line is formed as a set of a plurality of virtual lines (channels).
- the prescribed ISDN BRI (Basic Rate Interface) and ISDN PRI (Primary Rate Interface) can be used.
- the telephones 13 connected to each line include analog telephones, analog telephones or ISDN telephones connected via terminal adapters and DSUs (Digital Service Units), and PBXs (Private Branch Exchange).
- An extension telephone such as a multi-function telephone connected via the Internet.
- the line type signal processing unit 23h is an aggregate of modules for performing mutual conversion between voice data (signals) and bucket data (digital signals) for each of the various lines described above. This includes a PSTN module connected to POTS, a BRI module connected to ISDN BRI, and a PRI module connected to ISDN PRI.
- the line on the Internet 4 side of the line type signal processing unit 23h is connected to the MCP module, and the MCP module includes the conversion unit 23d and the identifier generation unit 23b in the above-described embodiment. It is composed of Further, the PSTN5 side line of the line type signal processing unit 23h is connected to the TDSW module 23g, and the TDSW module 23g performs time division processing of the signal.
- the line type signal processing unit 23h connects to a TDM line when data is transmitted from an ISDN terminal, or alternately connects to the other communication network when a failure occurs in either the Internet 4 or PSTN5. It also has functions such as doing.
- the subscriber database 23f a database for registering the subscriber's identifier (telephone number, IP address, etc.) in association with the communication network (Internet 4 or PSTN5) to be connected.
- the database is searched and the search result is returned to the determination unit 23e.
- the contents registered in the subscriber database 23f include a communication network (Internet 4 or PSTN5) to be connected by default for each subscriber, and a communication network according to the dialing number.
- the line type signal processing unit 23 upon making a call, connects according to the judgment of the judgment unit 23e based on the call dial on the telephone 13.
- Select the communication network (Internet 4 or PSTN5) to be connected connect the interface (MCP module or TDSW module 23g) of the selected communication network to the telephone set 13 on the subscriber side, and perform signal processing according to the line type .
- the receiver when receiving a call, is selected according to the signal (receiver dial, receiver IP address) received from the Internet 4 or the PSTN 5 and the line type of the selected receiver is selected. Performs signal processing.
- the facility cost at the time of introduction can be reduced by simplifying the facility on the subscriber side. Installation space can be reduced.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/566,239 US20070047559A1 (en) | 2003-07-29 | 2004-07-28 | Gateway device, audio communication system, and audio communication method |
EP04770995A EP1655940A4 (en) | 2003-07-29 | 2004-07-28 | GATEWAY SETUP, AUDIO COMMUNICATION SYSTEM AND AUDIO COMMUNICATION PROCEDURES |
JP2005512069A JPWO2005011252A1 (ja) | 2003-07-29 | 2004-07-28 | ゲートウェイ装置、音声通話システム及び音声通話方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003282078 | 2003-07-29 | ||
JP2003-282078 | 2003-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005011252A1 true WO2005011252A1 (ja) | 2005-02-03 |
Family
ID=34100984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/010732 WO2005011252A1 (ja) | 2003-07-29 | 2004-07-28 | ゲートウェイ装置、音声通話システム及び音声通話方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070047559A1 (ja) |
EP (1) | EP1655940A4 (ja) |
JP (1) | JPWO2005011252A1 (ja) |
KR (1) | KR20060061804A (ja) |
CN (1) | CN1830198A (ja) |
TW (1) | TWI247527B (ja) |
WO (1) | WO2005011252A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016178383A (ja) * | 2015-03-18 | 2016-10-06 | ソフトバンク株式会社 | 内線電話システム |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8199743B1 (en) * | 2005-11-29 | 2012-06-12 | Rockstar Bidco, LP | Enhanced services for a pots line |
JP5105755B2 (ja) * | 2006-03-10 | 2012-12-26 | サンデン株式会社 | 通信機器用の接続装置。 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999009716A1 (fr) * | 1997-08-19 | 1999-02-25 | Yugen Kaisha Ls Net | Procede de communication avec des appareils d'abonne via un reseau de communications mondial |
WO2001017219A1 (en) * | 1999-09-01 | 2001-03-08 | Catena Networks, Inc. | Enhanced line card and packetizing cpe for lifeline packet voice telephone |
JP2003143323A (ja) * | 2001-11-02 | 2003-05-16 | Softbank Corp | 構内通信システム、構内通信方法及び構内回線交換機 |
JP2003333178A (ja) * | 2002-05-15 | 2003-11-21 | Takeshi Aoki | 一般電話機によるインターネット電話システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6292479B1 (en) * | 1997-03-19 | 2001-09-18 | Bell Atlantic Network Services, Inc. | Transport of caller identification information through diverse communication networks |
US6258671B1 (en) * | 1997-05-13 | 2001-07-10 | Micron Technology, Inc. | Methods of providing spacers over conductive line sidewalls, methods of forming sidewall spacers over etched line sidewalls, and methods of forming conductive lines |
US7184430B2 (en) * | 1997-06-30 | 2007-02-27 | Siemens Communications, Inc. | Telecommunication system |
US6512764B1 (en) * | 1999-07-16 | 2003-01-28 | General Bandwidth Inc. | Method and apparatus for providing voice signals to and from a telecommunications switch |
JP2001237897A (ja) * | 2000-02-22 | 2001-08-31 | Nec Corp | ハイブリッド型テレフォニーシステム |
-
2004
- 2004-07-28 WO PCT/JP2004/010732 patent/WO2005011252A1/ja active Application Filing
- 2004-07-28 EP EP04770995A patent/EP1655940A4/en not_active Withdrawn
- 2004-07-28 CN CNA2004800220881A patent/CN1830198A/zh active Pending
- 2004-07-28 US US10/566,239 patent/US20070047559A1/en not_active Abandoned
- 2004-07-28 JP JP2005512069A patent/JPWO2005011252A1/ja active Pending
- 2004-07-28 KR KR1020067001880A patent/KR20060061804A/ko not_active Application Discontinuation
- 2004-07-29 TW TW093122769A patent/TWI247527B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999009716A1 (fr) * | 1997-08-19 | 1999-02-25 | Yugen Kaisha Ls Net | Procede de communication avec des appareils d'abonne via un reseau de communications mondial |
WO2001017219A1 (en) * | 1999-09-01 | 2001-03-08 | Catena Networks, Inc. | Enhanced line card and packetizing cpe for lifeline packet voice telephone |
JP2003143323A (ja) * | 2001-11-02 | 2003-05-16 | Softbank Corp | 構内通信システム、構内通信方法及び構内回線交換機 |
JP2003333178A (ja) * | 2002-05-15 | 2003-11-21 | Takeshi Aoki | 一般電話機によるインターネット電話システム |
Non-Patent Citations (1)
Title |
---|
See also references of EP1655940A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016178383A (ja) * | 2015-03-18 | 2016-10-06 | ソフトバンク株式会社 | 内線電話システム |
Also Published As
Publication number | Publication date |
---|---|
US20070047559A1 (en) | 2007-03-01 |
TW200507601A (en) | 2005-02-16 |
KR20060061804A (ko) | 2006-06-08 |
EP1655940A1 (en) | 2006-05-10 |
JPWO2005011252A1 (ja) | 2007-04-19 |
EP1655940A4 (en) | 2009-08-26 |
TWI247527B (en) | 2006-01-11 |
CN1830198A (zh) | 2006-09-06 |
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