JP2005515665A - インターネット・プロトコルを用いて通信するための電気通信ネットワーク用の方法および装置 - Google Patents
インターネット・プロトコルを用いて通信するための電気通信ネットワーク用の方法および装置 Download PDFInfo
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Abstract
Description
ービス発見およびサービス・ノードの識別(すなわち、宛先IPアドレスの検索)を行うためには、すべてのE.164/212/214番号の管理は必要としないENUM/DNSに基づく共通の解決方法が、これらの現在提案されている解決方法に対して好ましい解決方法である。
ービス・アプリケーションPLMNコード(SAPC)を使用する。IMSIから検索された目標MCC(携帯電話国番号)およびMNC(移動体ネットワーク・コード)の両方をSAPCにマッピングすることにより、他のPLMNでサービス/ノードの発見を開始するために、SAPCはENUM問合わせメッセージ内に含まれ得る。それ故、加入者に対するIMSIまたはE.164番号を用いて、目標サービス・アプリケーション・ノードのIPアドレスおよび/またはサービスを発見することができる。中間ENUMサーバは、ドメイン名CC(Country Code(国番号))およびNPA/NDC(National Planned Area(国内計画エリア)/National Destination Code(国内宛先コード))のみに基づいてアドレス・マッピングを行い、ENUM階層の層1にある任意の他のE.164関連情報を保持する必要はない。また、ENUMに入力されたサービスは、層2/層3の下に位置していて、PLMNを担当するオペレータの厳重な制御および管理下にあることに留意されたい。DNS/ENUMは、「交換コード(exchange code)」としてE.164番号およびSAPCのみを含む。ローミング契約をしているオペレータだけが、そのオペレータが契約しているオペレータのPLMNのSAPCコードをそのローカルENUM内に導入する必要がある。
・オペレータのローカルENUMデータベースの各々に格納されている関連SAPCを交換することができる。
第1のシナリオ(図3)は、DNS/ENUM問合わせを介したPLMNN(PLMN600)による、PLMN1(PLMN500)内に常駐するエンド・ノード(一例としてSUA)の発見とアドレス検索を示す。これは、スキーム1のSAPCを用いて、MAP URI/ノードIPアドレスを見つけることを目的たした移動性サービス動作のためのENUMの使用方法を示す。PLMN1およびPLMNNは、ローミング契約をしていて、相手方の各PLMN(それぞれその各SAPCコードを含むDB/ENUM502および602)に対するSAPCコードを知っているものと見なされる。これらのローカルENUMは、移動性サービスを提供する物理サービス・アプリケーション・ノード(この場合は、HLR)の仮想IPアドレスまたはIPアドレスを含むことができることに留意されたい。サービス・アプリケーション・ノード504,505は任意のSS7/IP適応層プロトコルに基づき得るが、SUAを使用する。また、一般的に、サービス・アプリケーション・ノードに対するIPアドレスの発見/検索は、ENUM内に指定されている任意のサービスURIに基づき得ること、および一般的に、サービスの発見は、順序および優先順位を含む標準DNS/ENUM問合わせに基づき得ることに留意されたい。
である)。ENUM/DB502は、メッセージ(1)を受信し、SUA−MAPノード504に対応するIPアドレスを探し、SUA−MAPノード504のIPアドレスで応答する(IPメッセージ2)。応答を受信した後で、PLMN600は、ノード504のIPアドレスを用いて、SUAメッセージ(3)をPLMN500に送信することができる。
Claims (10)
- 電気通信ネットワークがインターネット・プロトコル(IP)を用いて通信するための方法であって、
目標の電気通信ネットワークに関連する情報に対して問い合わせを行うために、前記目標の電気通信ネットワークに関連する電話番号を含むIP問合わせメッセージを送信するステップと、
前記IP問合わせメッセージに応じて、前記目標の電気通信ネットワークに関連するIPアドレスを受信するステップと、
前記目標の電気通信ネットワークに関連するIPアドレスを用いて、前記目標の電気通信ネットワークにIPメッセージを送信するステップとを含む方法。 - 前記IP問合わせメッセージが、IP ENUM問合わせメッセージを含む、請求項1に記載の方法。
- 前記電話番号が、サービス・アプリケーションPLMNコード(SAPC)として使用されるE.164番号を含む、請求項1に記載の方法。
- 移動加入者からIMSIを含む登録要求を受信するステップをさらに含む、請求項1に記載の方法。
- 前記IMSIから、MCC(携帯電話国番号)およびMNC(移動体ネットワーク・コード)を用いて、前記IMSIからのSAPCを判定するステップをさらに含む、請求項4に記載の方法。
- 前記IP問合わせメッセージに応じて、前記目標の電気通信ネットワークが提供する少なくとも1つのサービスを受信するステップをさらに含む、請求項1に記載の方法。
- 電気通信ネットワークがインターネット・プロトコル(IP)を用いて通信するための方法であって、
目標の電気通信ネットワークに関連する情報に対して問い合わせを行うために、前記目標の電気通信ネットワークに関連する電話番号を含む、IP問合わせメッセージを送信するステップと、
前記IP問合わせメッセージに応じて、前記目標の電気通信ネットワークに関連するIPアドレスと、前記目標の電気通信ネットワークに関連するプロトコルとを受信するステップと、
前記プロトコルに基づいて、プロトコル不適性(protocol incapability)が存在することを判断するステップと、
前記目標の電気通信ネットワークに、IPメッセージではなく、SS7メッセージを送信するステップとを含む方法。 - 前記IP問合わせメッセージが、IP ENUM問合わせメッセージを含む、請求項7に記載の方法。
- 前記電話番号が、サービス・アプリケーションPLMNコード(SAPC)として使用されるE.164番号を含む、請求項7に記載の方法。
- 電気通信ネットワークであって、
インターネット・プロトコル(IP)ネットワークに接続している少なくとも1つのルータと、
前記少なくとも1つのルータに結合しているコンピュータ・ネットワーク機器とを備え、前記コンピュータ・ネットワーク機器は、目標の電気通信ネットワークに関連する情報について問い合わせを行うために、IP問合わせメッセージを送信するように適合されており、前記IPメッセージは前記目標の電気通信ネットワークに関連する電話番号を含み、前記コンピュータ・ネットワーク機器は、前記IP問合わせメッセージに応じて、前記目標の電気通信ネットワークに関連するIPアドレスを受信するように適合されており、かつ前記目標の電気通信ネットワークに関連する前記IPアドレスを用いて、前記目標の電気通信ネットワークにIPメッセージを送信するように適合されている、電気通信ネットワーク。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US34691402P | 2002-01-07 | 2002-01-07 | |
US10/160,895 US7274683B2 (en) | 2002-01-07 | 2002-06-03 | Method and apparatus for a telecommunications network to communicate using an internet protocol |
PCT/US2003/000283 WO2003058900A1 (en) | 2002-01-07 | 2003-01-07 | Network to communicate using ip |
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JP2005515665A true JP2005515665A (ja) | 2005-05-26 |
JP3905085B2 JP3905085B2 (ja) | 2007-04-18 |
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JP2003559094A Expired - Lifetime JP3905085B2 (ja) | 2002-01-07 | 2003-01-07 | Ipを用いて通信するネットワーク |
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US (1) | US7274683B2 (ja) |
EP (1) | EP1466452A4 (ja) |
JP (1) | JP3905085B2 (ja) |
KR (1) | KR100548862B1 (ja) |
CN (1) | CN100405789C (ja) |
AU (1) | AU2003206409A1 (ja) |
WO (1) | WO2003058900A1 (ja) |
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-
2002
- 2002-06-03 US US10/160,895 patent/US7274683B2/en active Active
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2003
- 2003-01-07 CN CNB038000474A patent/CN100405789C/zh not_active Expired - Lifetime
- 2003-01-07 KR KR1020037011674A patent/KR100548862B1/ko active IP Right Grant
- 2003-01-07 WO PCT/US2003/000283 patent/WO2003058900A1/en active IP Right Grant
- 2003-01-07 EP EP03703707A patent/EP1466452A4/en not_active Withdrawn
- 2003-01-07 AU AU2003206409A patent/AU2003206409A1/en not_active Abandoned
- 2003-01-07 JP JP2003559094A patent/JP3905085B2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007189685A (ja) * | 2006-01-10 | 2007-07-26 | Research In Motion Ltd | Imsを含んでいるネットワーク環境における呼のルーティングを管理するシステムおよび方法 |
Also Published As
Publication number | Publication date |
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WO2003058900A1 (en) | 2003-07-17 |
US7274683B2 (en) | 2007-09-25 |
KR100548862B1 (ko) | 2006-02-02 |
KR20030080074A (ko) | 2003-10-10 |
CN1565113A (zh) | 2005-01-12 |
EP1466452A4 (en) | 2009-05-06 |
US20030128693A1 (en) | 2003-07-10 |
EP1466452A1 (en) | 2004-10-13 |
JP3905085B2 (ja) | 2007-04-18 |
CN100405789C (zh) | 2008-07-23 |
AU2003206409A1 (en) | 2003-07-24 |
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