1994ETSI ETS 300 348-1994 Intelligent Network (IN); Physical Plane for Intelligent Network Capability Set 1 (CS1)
1993ETSI PRETS 300 348-1993 Physical Plane for Intelligent Network (IN) Capability Set 1 (CS-1) (ITU-T Recommendation Q.1215) (1993)
ETSI PRETS 300 348-1993 Physical Plane for Intelligent Network (IN) Capability Set 1 (CS-1) (ITU-T Recommendation Q.1215) (1993) was changed to ETSI ETS 300 348-1994 Intelligent Network (IN); Physical Plane for Intelligent Network Capability Set 1 (CS1).