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Standard [CURRENT]

CAN/CSA-ISO/IEC 21889-04:2004-01-01

Information Technology - Telecommunications and Information Exchange Between Systems - Private Integrated Services Network - Inter-Exchange Signalling Protocol - Call Identification and Call Linkage Additional Network Feature

Publication date
2004-01-01
Original language
English

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Publication date
2004-01-01
Original language
English

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