ISO/IEC 15506:1997

Information technology — Telecommunications and information exchange between systems — Private Integrated Services Network — Inter-exchange signalling protocol — Message waiting indication supplementary service ISO/IEC 15506:1997

Publication date:   Nov 27, 1997

95.99 Withdrawal of Standard   Mar 16, 2000

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95.99 Withdrawal of Standard   Mar 16, 2000

ISO/IEC

ISO/IEC JTC 1/SC 6 Telecommunications and information exchange between systems

International Standard

33.040.35   Telephone networks

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ISO/IEC 15506:1997
95.99 Withdrawal of Standard
Mar 16, 2000

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ISO/IEC 15506:2000