Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Message Waiting Indication supplementary service (Adopted ISO/IEC 15506:2003, third edition, 2003-04-01)
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Items Included (2 Items)
Download a list of included itemsCAN/CSA-ISO/IEC 15506:04 (R2022)
Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Message Waiting Indication supplementary service (Adopted ISO/IEC 15506:2003, third edition, 2003-04-01)
- Active
- English
CAN/CSA-ISO/IEC 15506-01
Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network (PISN) - Inter-Exchange Signalling Protocol - Message Waiting Indication Supplementary Service (Adopted ISO/IEC 15506:2000, second edition, 2000-03-15)
- Withdrawn
- English