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Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems Ingestion-build-100998 Who is ISO/IEC 27018 for
Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems Ingestion-build-100998 Who is ISO/IEC 27018 for
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Who is ISO/IEC 27018 for
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Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems Ingestion-build-100998 Who is ISO/IEC 27018 forBS 8521: 2009 Specification for dual tone multi frequency (DTMF) signalling protocol for social alarm systems BS 8521 specifies requirements for the transfer of information and controls within a social alarm system, by means of dual tone multi frequency (DTMF) tone signals passing between site control or local equipment and an alarm receiving centre via the public switched telephone network (PSTN) supporting voice traffic conforming to ITU T
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