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Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Do Not Disturb and Do Not Disturb Override supplementary services. Original standard ISO IEC 14844-2003 in PDF full version. Additional info + preview on request

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Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Specification, functional model and information flows - Call intrusion supplementary service. Original standard ISO IEC 14845-1996 in PDF full version. Additional info + preview on request

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Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Call Intrusion supplementary service. Original standard ISO IEC 14846-2003 in PDF full version. Additional info + preview on request

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Information technology - System-Independent Data Format (SIDF). Original standard ISO IEC 14863-1996 in PDF full version. Additional info + preview on request

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Programming languages - C++. Original standard ISO IEC 14882-2024 in PDF full version. Additional info + preview on request

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Information technology - Security techniques - Digital signatures with appendix - Part 1- General. Original standard ISO IEC 14888-1-2008 in PDF full version. Additional info + preview on request

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