ETSI ETS 300 403-7
- Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information
- standard by European Telecommunications Standards Institute, 04/01/1998
- Publisher: ETSI
$172.00$344.00
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