ETSI ETS 300 058-1/C1
- Corrigendum to - Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol Specification
- en, Corrigenda by European Telecommunications Standards Institute, 04/01/1994
- Publisher: ETSI
$56.00$111.00
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