1972 Home Telephone F (pulse-dialing home telephone)
1973 Home Telephone F (tone-dialing home telephone)
1975
1978 Home Telephone D
1985 Howdy Home Telephone
Howdy Home Telephone S
1986 Howdy Home Telephone Super D
1988 Howdy Home Telephone SX
1989 Howdy Home Telephone DX
1990 Howdy Home Telephone SXII
1991 Howdy Home Telephone DXII
1993 Home Telephone VX

museum@mod.hqs.ntt.jp