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ISO IEC 22535
  • ISO IEC 22535:2009 pdfダウンロード。Information technology — Telecommunications and information exchange between systems — Corporate telecommunication networks — Tunnelling of QSIG over SIP 1 Scope This International Standard specifies tunnelling of “QSIG” over the Session Initiation Protocol (SIP) within a corporate telecommunication network (CN). The tunnelling of QSIG through a public IP network employing SIP is outside the scope of this International Standard. However, the functionality specified in this International Standard is in principle applicable to such a scenario when deployed in conjunction with other relevant functionality (e.g. address translation, security functions, etc.). This International Standard is applicable to any interworking...