AUTOMATED MARITIME TELEPHONE SYSTEM
M. Komura, A Yokohura, Kiyoyuki Tsujimura · Japan telecommunications review · 1977
A system is presented which was developed for public use. Calls between ship and land subscribers, or between one ship and another, can be connected automatically by subscribers' dialing in the nationwide system. The new system uses the 250 MHz band radio frequencies and employs many technical features, such as automatic location registration, new signaling methods, etc. which are realized by the use of the D-10 electronic switching system. This system is scheduled to be put into commercial use in spring 1979. An outline of this system is described.