JP4847403B2 - Ip通信装置及びip通信装置によるnat種別の判定方法 - Google Patents

Ip通信装置及びip通信装置によるnat種別の判定方法 Download PDF

Info

Publication number
JP4847403B2
JP4847403B2 JP2007171133A JP2007171133A JP4847403B2 JP 4847403 B2 JP4847403 B2 JP 4847403B2 JP 2007171133 A JP2007171133 A JP 2007171133A JP 2007171133 A JP2007171133 A JP 2007171133A JP 4847403 B2 JP4847403 B2 JP 4847403B2
Authority
JP
Japan
Prior art keywords
request
transmission test
transmission
response
type
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
JP2007171133A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008289109A5 (enExample
JP2008289109A (ja
Inventor
弘一 早田
晃 宮嶋
武 菅
宗孝 鷲津
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2007171133A priority Critical patent/JP4847403B2/ja
Priority to US12/104,783 priority patent/US7801059B2/en
Publication of JP2008289109A publication Critical patent/JP2008289109A/ja
Publication of JP2008289109A5 publication Critical patent/JP2008289109A5/ja
Application granted granted Critical
Publication of JP4847403B2 publication Critical patent/JP4847403B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Telephonic Communication Services (AREA)
JP2007171133A 2007-04-20 2007-06-28 Ip通信装置及びip通信装置によるnat種別の判定方法 Expired - Fee Related JP4847403B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007171133A JP4847403B2 (ja) 2007-04-20 2007-06-28 Ip通信装置及びip通信装置によるnat種別の判定方法
US12/104,783 US7801059B2 (en) 2007-04-20 2008-04-17 IP communication apparatus and NAT type determination method by the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007111827 2007-04-20
JP2007111827 2007-04-20
JP2007171133A JP4847403B2 (ja) 2007-04-20 2007-06-28 Ip通信装置及びip通信装置によるnat種別の判定方法

Publications (3)

Publication Number Publication Date
JP2008289109A JP2008289109A (ja) 2008-11-27
JP2008289109A5 JP2008289109A5 (enExample) 2010-06-17
JP4847403B2 true JP4847403B2 (ja) 2011-12-28

Family

ID=40148375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007171133A Expired - Fee Related JP4847403B2 (ja) 2007-04-20 2007-06-28 Ip通信装置及びip通信装置によるnat種別の判定方法

Country Status (1)

Country Link
JP (1) JP4847403B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5273001B2 (ja) 2009-09-30 2013-08-28 ブラザー工業株式会社 通信システム、端末装置、通信方法、及び通信プログラム
JP2011172143A (ja) * 2010-02-22 2011-09-01 Brother Industries Ltd 通信装置、通信方法、および通信システム
JP5454399B2 (ja) * 2010-07-15 2014-03-26 パナソニック株式会社 ラージスケールnat検出装置、アプリケーション切替装置、ラージスケールnat検出方法およびアプリケーション切替方法
KR101263783B1 (ko) * 2010-12-27 2013-05-13 삼성에스디에스 주식회사 릴레이 서버를 이용한 데이터 전송 시스템 및 방법
JP5696514B2 (ja) * 2011-02-08 2015-04-08 沖電気工業株式会社 メディア通信装置、方法及びプログラム、並びに、メディア通信システム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4480535B2 (ja) * 2004-09-30 2010-06-16 株式会社アドイン研究所 トンネル装置、中継装置、端末装置、呼制御システム、ip電話システム、会議装置、これらの制御方法及びプログラム
JP4084365B2 (ja) * 2005-03-08 2008-04-30 株式会社東芝 通信装置、通信方法および通信プログラム
JP4741964B2 (ja) * 2005-03-18 2011-08-10 パナソニック株式会社 通信装置、通信システム及び通信方法
JP2008085470A (ja) * 2006-09-26 2008-04-10 Fujitsu Ltd Ipアプリケーションサービス提供システム
US8656017B2 (en) * 2007-05-16 2014-02-18 Microsoft Corporation Peer-to-peer collaboration system with edge routing

Also Published As

Publication number Publication date
JP2008289109A (ja) 2008-11-27

Similar Documents

Publication Publication Date Title
JP4411332B2 (ja) Ip通信装置及びip通信システム並びにこれらのip通信方法
US7801059B2 (en) IP communication apparatus and NAT type determination method by the same
US10298629B2 (en) Intercepting and decrypting media paths in real time communications
CN100505749C (zh) 路由器及sip服务器
JP3855909B2 (ja) ポリシ設定可能なピアツーピア通信システム
Guha et al. NUTSS: A SIP-based approach to UDP and TCP network connectivity
US7472411B2 (en) Method for stateful firewall inspection of ICE messages
US20090313386A1 (en) Communication apparatus, communication method and communication system
US20080215669A1 (en) System and Method for Peer-to-Peer Connection of Clients Behind Symmetric Firewalls
JP4847403B2 (ja) Ip通信装置及びip通信装置によるnat種別の判定方法
US20060187912A1 (en) Method and apparatus for server-side NAT detection
JP5988407B1 (ja) 通信経路制御装置、通信経路制御システム、通信経路制御方法及び通信経路制御プログラム
EP2075980A1 (en) A method and network communication system for redirecting network communication port
KR20040110032A (ko) 에스아이피 서버 및 이를 이용한 십 단말간 통화 방법
JP3933183B2 (ja) 通信システム、情報処理装置、サーバ、および通信方法
JP4886612B2 (ja) Ip通信装置およびip通信方法ならびに呼制御サーバ
CN101129060A (zh) 用于借助于对等数据库建立VoIP通信的方法
CN105556921B (zh) 用于浏览器始发规程的基于移动设备的代理
JP5609519B2 (ja) Sip機器
JP2008131393A (ja) 呼制御装置の呼制御方法及び呼制御装置
JP2007060281A (ja) Ip通信装置及びその制御方法
JP4889617B2 (ja) ゲートウエイ装置および通信制御方法
JP3849711B2 (ja) 通信システム、情報処理装置、サーバ、および通信方法
JP4555005B2 (ja) プロトコル変換サーバ
JP4793477B2 (ja) アドレス変換装置、メッセージ処理方法および装置

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100203

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100426

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110622

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110628

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110722

RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20110819

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110927

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20111013

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20141021

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

LAPS Cancellation because of no payment of annual fees