ETSI ETS 300 668-1
- Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol; User-to-User Signalling (UUS) supplementary service; Part 1: Protocol specification [ITU-T Recommendation Q.2957, clause 1 (1995), modifi
- standard by European Telecommunications Standards Institute, 09/01/1996
- Publisher: ETSI
$7.00$14.00
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