ETSI EN 300 403-2
- Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; Part 2: Specification and Description Language (SDL) diagrams
- standard by European Telecommunications Standards Institute, 11/01/2000
- Publisher: ETSI
$43.00$85.50
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