New Services and Technologies for Digital Telephone Sets
Fujio Amemiya, Seiei Ohkoshi, Koichi Matsumoto · IEEE Transactions on Consumer Electronics · 1985
As the first step toward developing, the "Information Network System (INS)",(1) a pilot plant called the "INS Model System",(2) which provides a fully digitized end-to-end connection between customer equipment, is now being tested in the Musashino/Mitaka area in Tokyo.