Standards
[CURRENT]
NF Z82-357
; NF ETS 300357:1996-12-01
NF Z82-357
; NF ETS 300357:1996-12-01
Integrated Services Digital Network (ISDN). Completion of calls to busy subscriber (ccbs) supplementary service. Service description
Title (German)
DIENSTINTEGRIETES DIGITALNETZ (ISDN). DIENSTMERKMAL SELBSTTAETIGE RUFWIEDERHOLUNG BEI LEITUNGSBELEGUNG. DIENSTBESCHREIBUNG