1983 Business Phones 24E and 50E
1985 Business Phone E Super Series
1987 Business Phone E Super Series VII
Digital Business Phone [Alpha] Series
1988 Business Phone E ID Card Series
1989 Business Phone E VS Series Model S
Digital Business Phone HD Series
Digital Business Phone [Alpha] Hybrid
1990 Digital Business Phone [Alpha]II Series
Digital Business Phone [Alpha]II Hybrid
Business Phone E VS Series Model M
Business Phone E ID Card II Series
Digital Business Phone HDII Series
Cordless Business Phone "Long Bus"
1992 Recome Business Phone VSII
Digital Business Phone [Alpha] EX Series
Digital Business Phone [Alpha] EX Hybrid
1993 Digital Business Phone [Alpha] HX Series
1994 Digital Business Phone HD III Series
Digital Business Phone [Alpha] EX Series, Model S

museum@mod.hqs.ntt.jp