ETSI ETS 300 403-3
- Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Signalling network layer for circuit-mode basic call control; Part 3: Protocol Implementation Conformance Statement (PICS) proforma specification
- standard by European Telecommunications Standards Institute, 09/01/1996
- Publisher: ETSI
$32.00$63.00
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