DATA-DIAL: Two-Way Communication with
Computers From Ordinary dial Telephones
An operating system is described which allows
users to call up a remotely located computer 
from ordinary dial telephones.  No special hardware or
connections are required at the users' telephones. 
 Input to the computer is through the telephone dial;output
from the computer is in spoken form.  Results 
of a test with telephones in the Boston area are reported.
CACM October, 1963
Marill, T.
Edwards, D.
Feurzeig, W.
