Freestd Home >> Standards Wordwide >> Francaise de Normalisation(NF) >> NF Z82-122-1995 Integrated Services Digital Network (ISDN). Generic keypad protocol for the support of supplementary services. Digital subscriber signalling system no one (DSS1) protocol.
NF Z82-122-1995 Integrated Services Digital Network (ISDN). Generic keypad protocol for the support of supplementary services. Digital subscriber signalling system no one (DSS1) protocol.
Related Free Standards
Top Free Standards