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

museum@mod.hqs.ntt.jp