Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services [ISO/IEC 14844 (2003), modified]
Publication date
2004-03-01
Product with additional digital content.
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Original language
English
Pages
7
Publication date
2004-03-01
Product with additional digital content.
PDF
Additional digitale content will be provided based on format and purchase option. Please note any information in the document.
Original language
English
Pages
7
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