ETSI EN 300 402-4
- Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Data link layer; Part 4: Protocol Implementation Conformance Statement (PICS) proforma specification for the general protocol
- standard by European Telecommunications Standards Institute, 11/01/1999
- Publisher: ETSI
$19.00$37.00
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