WO2002025985A1 - Systeme permettant d'offrir le service telephonique international d'itinerance via le protocole internet - Google Patents

Systeme permettant d'offrir le service telephonique international d'itinerance via le protocole internet Download PDF

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Publication number
WO2002025985A1
WO2002025985A1 PCT/KR2001/001032 KR0101032W WO0225985A1 WO 2002025985 A1 WO2002025985 A1 WO 2002025985A1 KR 0101032 W KR0101032 W KR 0101032W WO 0225985 A1 WO0225985 A1 WO 0225985A1
Authority
WO
WIPO (PCT)
Prior art keywords
overseas
identification number
server
signals
internet
Prior art date
Application number
PCT/KR2001/001032
Other languages
English (en)
Inventor
Young-Sang Lee
Jong-Woo Lee
Hye-Won Park
Original Assignee
Great Human Software Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Great Human Software Co., Ltd. filed Critical Great Human Software Co., Ltd.
Priority to AU2001274636A priority Critical patent/AU2001274636A1/en
Publication of WO2002025985A1 publication Critical patent/WO2002025985A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • 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
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42229—Personal communication services, i.e. services related to one subscriber independent of his terminal and/or location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1285—Details of finding and selecting a gateway for a particular call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks

Definitions

  • the present invention is related to communication systems. More particularly, the invention relates to an Internet phone system for providing telephone service over the Internet Protocol .
  • VoIP Voice over Internet Protocol Technology
  • FIG. 1 briefly illustrates an overall configuration of the conventional Internet telephone system commonly known as the Phone to Phone type. If a caller dials the telephone number of an Internet Telephone Provider, the call originated from the caller's telephone set 11 is transferred to the nearest gateway server 13 through the PSTN 12.
  • the gateway server 13 converts the analog voice signals to digital signals and consequently compresses them into Internet Protocol (IP) packets.
  • IP Internet Protocol
  • the gateway server 13, based on the receiver's number inputted into the caller's telephone set 11, requests the IP of the nearest gateway 15 from the receiver's telephone set 17 using a gatekeeper 18 connected over the Internet 14 and transmits the packets to the gateway 15 that possess the corresponding IP.
  • the gatekeeper 18 commonly called as a Call Agent or Call Server, carries out conversions of the address between two different networks (in this case, the address between the telephone number and IP address as a node over the Internet) and performs as far as the authorization of the subscribers based on the Internet Telephony Signaling Protocol (ITSP) .
  • ITSP Internet Telephony Signaling Protocol
  • This sever is generally managed by the Internet Service Provider.
  • ITSP means the standard protocol that defines the required signals and control types for a call setup and telephone call in the VoIP system such as H.323 or Session Initiation Protocol (SIP) / Media Gateway Control Protocol (MGCP) .
  • the gatekeeper server 18 can be located on any arbitrary position on the Internet 14. Also, it can be implemented physically on the same gateway server 13 or can exist as a server connected by an internal LAN rather than the Internet, as indicated as a broken line in FIG. 1. The detailed explanations on such configurations have already been disclosed and apparent to those skilled in the art prior to the filing date of the present invention, therefore, the detailed description will not be provided here.
  • the gateway 15 at the receiver's side reconfigures/reconstructs the received packets, performs analogue conversion and connects each call to the corresponding receiver through the PSTN using the telephone number of the receiver's side decoded from the signal packets.
  • the use of such Internet telephone has been increasing rapidly due to its outstanding network efficiency and economy over the standard telephone that uses the PSTN.
  • the main usage of the Internet telephone lies on International calls rather than local calls due to its complex operational method that must pass through a gateway.
  • the present invention is designed to overcome the above problems of prior arts.
  • the International Mobile Communication Roaming System over the Internet Protocol comprises: a PSTN server for registering, the home telephone identification number and the International Internet Roaming Request Information that includes the overseas telephone identification number received from the user, to the roaming database, and for receiving the call signals from said home telephone identification number, and for extracting the corresponding overseas telephone identification number by searching through said roaming database using said signals from said home telephone identification number, and for transferring said received call signals together with said overseas telephone identification number; an Internet Call Server for receiving said call signals from said PSTN server, and for extracting the IP of the overseas gateway nearest to the overseas telephone by searching through the address change database using said overseas telephone identification number contained in said call signals, and for transmitting said call signals to the overseas gateway as Internet Protocol Packets by converting said call signals into digital signals, compressing them and attaching said extracted IP to the Internet Protocol Packets.
  • a PSTN server for registering, the home telephone identification number and the International Internet Roaming Request Information that includes the overseas telephone identification number received from the user, to the roaming database, and for receiving the
  • said Internet Call Server further comprises: a gateway server for receiving said call signals from said PSTN server, and for transmitting address change request signals with said overseas telephone identification number contained in said call signals, and for transmitting the call signals to the gateway which has the received IP address information after converting said call signals into digital signals, compressing them and converting them to Internet protocol packets; a gatekeeper server for extracting and transmitting the IP of the overseas gateway nearest to the overseas telephone in response to the address request signals from said gateway server.
  • said PSTN server receives the International Roaming Request Information from the user's computer which connects via the Internet.
  • FIG. 1 illustrates an overall configuration of the conventional Internet telephone system commonly known as the Phone to Phone type .
  • FIG. 2 illustrates the configuration of the International Mobile Communication Roaming Servicing System over the Internet Protocol according to one preferred embodiment of the present invention.
  • Fig. 3 illustrates the configuration of the International Mobile Communication Roaming Service over the Internet Protocol according to another preferred embodiment of the present invention.
  • the present invention provides an International Internet Mobile Communication Roaming Service that is convenient and economical for the frequent international flyers. By subscribing to the service, the user can forward the incoming calls to his/her mobile terminal at home to his/her overseas number while on a business trip to overseas.
  • FIG. 2 briefly illustrates the configuration of the International Mobile Communication Roaming Servicing System over the Internet Protocol according to one preferred embodiment of the present invention.
  • the roaming service system according to one embodiment of the present invention can be explained separately as Requesting Section 100, Calling Section 200 and Receiver Section 300.
  • the Requesting Section 100 is the configuration for requesting the International Roaming Service.
  • the user's roaming information can be registered to the Roaming Database 25 either by accessing the Web Server 22 through the user's computer which is connected to the Internet 14 or by directly connecting to the Roaming Server 26, in terms of ARS type function, which is connected to the exchanger 27 through a standard telephone set 211.
  • the International Internet Roaming Request Information that includes his/her home mobile terminal number as a home telephone identification number and his/her overseas mobile terminal number as an overseas telephone identification number. This information can be registered by accessing the Web Server 22 using the user's Web Browser.
  • the information concerning the status of the user's subscription to the International Mobile Communication Roaming Service over the Internet home mobile terminal number as a home telephone identification number, overseas mobile terminal number, i.e., a US mobile terminal number subscribed over there, and as an overseas telephone identification number, are registered to the Roaming Database. If anyone dials the user's home telephone identification number, first of all, the call passes through the exchanger 27 in case it is a Circuit Switching Network and is identified as the call for the user who is registered on the Roaming Database 25. Afterwards, the user's overseas telephone identification number is extracted from the Roaming Database 25 and the call is forwarded to this number.
  • the gateway/gatekeeper server 13 converts the received analogue voice signals to digital signals, and compress them into IP packets. Also, the gateway server 13 based on the user's received overseas telephone number extracted from the Roaming Server 26, requests to the gatekeeper 18 on the Internet 14 pertaining to the IP of the gateway 15 nearest to the user's overseas telephone set 17. The IP packets are transmitted to the gateway with the corresponding IP address. The gateway 15 recovers the compressed digital signals, converts them to analogue signals and transforms them into the conventional PSTN signals. Afterwards, the gateway 15 transfers the signals to the user' s overseas telephone set 17 by setting up the PSTN.
  • Fig. 3 briefly illustrates the configuration of the International Mobile Communication Roaming Service over the Internet Protocol according to one preferred embodiment of the present invention.
  • the gateway server and gatekeeper are implement as a single server in this embodiment. Detailed explanations will not be required here since the functions are identical whether the separate servers individually connected through the Internet, or separate processors implemented on the same server, or sequentially constructed processors on the same server.
  • the user can request for the Internet Roaming Service by accessing the Web server 22 through the user's Web Browser 212.
  • the user who does not wish to miss the calls directed to his/her mobile terminal at home while on a business trip to US should register the International Internet Roaming service Request Information that should include his/her mobile terminal number at home, as a home telephone identification number and his/her mobile terminal number in US as a overseas telephone identification number before leaving for US.
  • This International Internet Roaming Service Request Information is registered in the Roaming Database 25 by accessing the Web server 22 using the user's Web Browser 212.
  • the web server 22 and Mobile server 24 are shown to exist as separate servers in this embodiment, however, physically they can exist on the same server. Also the embodiment can support the Web protocol as well as the Internet Protocol such as HTML or WML.
  • the present invention is not only limited to the International Internet Roaming Service Request through the Web site but can also be registered by the Mobile Server 24 via the Base Station 23 by calling up a special telephone number provided by the Service Provider using the user's mobile communication terminal 11.
  • the existing ARS or more preferably through the mobile communication means such as WAP, SMS, ISMS protocols that is capable of two way text data transmission or reception, can be used.
  • the ARS type that uses the standard Circuit Switching Exchanger as illustrated in the previously embodiment is also feasible. Detailed explanation on such network system will not be provided since the system is apparent to those skilled in the art through many prior arts on the WAP or ARS applications disclosed as such.
  • the given three types of examples of the International Internet Roaming Service Request can either be implemented simultaneously, or only one or two can be selectively implemented at a time.
  • the information concerning the status of the user's subscription to the International Mobile Communication Roaming Service over the Internet, home mobile terminal number as a home telephone identification number, overseas mobile terminal number, i.e., a US mobile terminal number subscribed over there, and as an overseas telephone identification number are registered to the Roaming Database. If anyone dials the user's home telephone identification number, first of all, the call passes through the exchanger 27 in case it is a Circuit Switching Network and is identified as the call for the user who is registered on the Roaming Database 25. Afterwards, the user's overseas telephone identification number is extracted from the Roaming Database 25 and the call is forwarded to this number. From then on, the signal is transmitted by the Phone to Phone type as explained previously.
  • the gateway/gatekeeper server 13 converts the received analogue voice signals to digital signals, and compress them into IP packets. Also, the gateway server 13 based on the user's received overseas telephone number extracted from the Roaming Server 26, requests to the gatekeeper 18 on the Internet 14 pertaining to the IP of the gateway 15 nearest to the user's overseas telephone set 17. The IP packets are transmitted to the gateway with the corresponding IP address. The gateway 15 recovers the compressed digital signals, converts them to analogue signals and transforms them into the conventional PSTN signals. Afterwards, the gateway 15 transfers the signals to the user's overseas telephone set 17 by setting up the PSTN.
  • the present invention provides an International Mobile Communication Roaming Service over the Internet Protocol in connection with the roaming service and phone to phone type, therefore an International Mobile Communication Roaming Service that is a convenient and economical can be provided.

Abstract

La présente invention concerne des systèmes de télécommunication, et plus particulièrement un système téléphonique par Internet permettant d'offrir des services téléphoniques via le protocole Internet.
PCT/KR2001/001032 2000-09-21 2001-06-16 Systeme permettant d'offrir le service telephonique international d'itinerance via le protocole internet WO2002025985A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001274636A AU2001274636A1 (en) 2000-09-21 2001-06-16 International mobile communication roaming servicing system over the internet protocol

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020000055566A KR20020022976A (ko) 2000-09-21 2000-09-21 인터넷 프로토콜상의 국제 이동통신 로밍 서비스 시스템
KR2000/55566 2000-09-21

Publications (1)

Publication Number Publication Date
WO2002025985A1 true WO2002025985A1 (fr) 2002-03-28

Family

ID=19689814

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2001/001032 WO2002025985A1 (fr) 2000-09-21 2001-06-16 Systeme permettant d'offrir le service telephonique international d'itinerance via le protocole internet

Country Status (3)

Country Link
KR (1) KR20020022976A (fr)
AU (1) AU2001274636A1 (fr)
WO (1) WO2002025985A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2395091A (en) * 2002-11-06 2004-05-12 Nokia Corp Connection set-up to facilitate global mobile communications roaming over a packet switching network
WO2004045138A1 (fr) * 2002-11-12 2004-05-27 Huawei Technologies Co., Ltd. Procede d'acheminement point a point de reseau central vocal protocole internet sans fil
BE1016096A4 (nl) * 2004-06-23 2006-03-07 Delbare Wim Jozef Robert Verbeterd telecommunicatienetwerk en cellulair eindapparaat en schakelaar daarbij toegepast.
CN100355313C (zh) * 2004-06-29 2007-12-12 华为技术有限公司 一种防止终端用户非法漫游的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100447078B1 (ko) * 2002-06-19 2004-09-04 주식회사 아이젠반도체통신 글로벌 로밍 폰 장치를 기반으로 한 예약 콜 시스템 및 그방법
KR102592618B1 (ko) * 2019-02-01 2023-10-24 에스케이플래닛 주식회사 국외 이동통신망을 이용하는 사용자를 위한 착신 전환 서비스 제공 장치 및 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999014960A1 (fr) * 1997-09-18 1999-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Procede et appareil de definition et d'actualisation de services mobiles sur la base de la notion de groupes d'abonnes
WO2000016583A1 (fr) * 1998-09-14 2000-03-23 Curt Wong Procede pour la portabilite de numero dans un reseau de telecommunication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999014960A1 (fr) * 1997-09-18 1999-03-25 Telefonaktiebolaget Lm Ericsson (Publ) Procede et appareil de definition et d'actualisation de services mobiles sur la base de la notion de groupes d'abonnes
WO2000016583A1 (fr) * 1998-09-14 2000-03-23 Curt Wong Procede pour la portabilite de numero dans un reseau de telecommunication

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2395091A (en) * 2002-11-06 2004-05-12 Nokia Corp Connection set-up to facilitate global mobile communications roaming over a packet switching network
WO2004043105A1 (fr) * 2002-11-06 2004-05-21 Nokia Corporation Fourniture de donnees de routage dans un systeme de communication
US7272392B2 (en) 2002-11-06 2007-09-18 Nokia Corporation Connection set-up in a communication system
US9338637B2 (en) 2002-11-06 2016-05-10 Nokia Technologies Oy Providing routing information in a communication system
WO2004045138A1 (fr) * 2002-11-12 2004-05-27 Huawei Technologies Co., Ltd. Procede d'acheminement point a point de reseau central vocal protocole internet sans fil
BE1016096A4 (nl) * 2004-06-23 2006-03-07 Delbare Wim Jozef Robert Verbeterd telecommunicatienetwerk en cellulair eindapparaat en schakelaar daarbij toegepast.
CN100355313C (zh) * 2004-06-29 2007-12-12 华为技术有限公司 一种防止终端用户非法漫游的方法

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Publication number Publication date
KR20020022976A (ko) 2002-03-28
AU2001274636A1 (en) 2002-04-02

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