ETSI - European Telecommunications Standards Institute
Latest
PRETS 300 149-1992
Scope
This Standard specifies the data syntax to be used by Videotex services for conveying sound information. This Standard is applicable to terminals connected to public data networks. Typically@ these should be terminals@ supporting integrated Services Digital Network (ISDN) syntax-based Videotex@ to be attached at either side of a T reference point or coincident S and T reference points of a public ISDN.