OENORM EN 300356-12 V 4.2.1:2001-11-01

Integrated Services Digital Network (ISDN) - Signalling System No.7 (SS7) - ISDN User Part (ISUP) version 4 for the international interface - Part 12: Conference call, add-on (CONF) supplementary service [ITU-T Recommendation Q.734, clause 1 (1993) and implementors guide (1998), modified]

Publication date: 2001-11-01
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Original language: English
Pages: 9

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Publication date: 2001-11-01
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: 9

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