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1. MOST RECENT

   

   CAN/CSA-ISO/IEC 13870-02▹

   Information technology . Telecommunications and information exchange between systems . Private Integrated Services Network . Inter-exchange signalling protocol . Call completion supplementary services (Adopted ISO/IEC 13870:2001)

   standard by Canada National Standard/Canadian Standards - ISO/IEC, 02/21/2003.

   Languages: English

   Historical Editions: CAN/CSA-ISO/IEC 13870-98

   Priced From:

   • $137 Secure PDF
   • $137 Printed Edition

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2. MOST RECENT

   

   CAN/CSA-ISO/IEC 13870-04 (R2019)▹

   Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Call Completion Supplementary Services (Adopted ISO/IEC 13870:2003, third edition, 2003-04-01)

   standard by Canada National Standard/Canadian Standards - ISO/IEC, 12/01/2004.

   Languages: English

   Priced From:

   • $205 Secure PDF
   • $205 Printed Edition

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3. MOST RECENT

   

   CAN/CSA-ISO/IEC 21991-04 (R2022)▹

   Information Technology - Telecommunications and Information Exchange Between Systems - Corporate Telecommunication Networks - Signalling Interworking Between QSIG and H.323 - Call Completion Supplementary Services (Adopted ISO/IEC 21991:2002, first edition, 2002-06-15)

   standard by Canada National Standard/Canadian Standards - ISO/IEC, 01/01/2004.

   Languages: English

   Priced From:

   • $121 Secure PDF
   • $121 Printed Edition

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