OENORM EN 300485 V 1.3.1:2001-07-01

Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No.7 (SS7) ISDN User Part (ISUP) [ITU-T Recommendation Q.850 (1998) with addendum modified]

Publication date: 2001-07-01
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Original language: English
Pages: 7

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Publication date: 2001-07-01
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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