ISO/IEC 11582:1995

Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Generic functional protocol for the support of supplementary services -- Inter-exchange signalling procedures and protocol

Defines the signalling protocol for the control of Supplementary services and Additional Network Features (ANFs) at the Q reference point. The protocol ist part of Private Signalling system No. 1 (PSS1).


General information

  • Status :  Withdrawn
    Publication date : 1995-06
  • Edition : 1
  • :
    ISO/IEC JTC 1/SC 6
    Telecommunications and information exchange between systems
  • 33.040.35
    Telephone networks

Got a question?

Check out our FAQs

Customer care
+41 22 749 08 88

Opening hours:
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)

Keep up to date with ISO

Sign up to our newsletter for the latest news, views and product information

Subscribe