Superseded
Standard
Historical
DIN EN 300403-1:1999-08
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 1: Protocol specification [ITU-T Q.931 (1993), modified] (Endorsement of the English version EN 300403-1 V 1.2.2 (1998-04) as German standard)
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Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 08/01/1999 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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