5. A method as claimed in claim 3 including in addition the steps of formatting the human speech, after conversion to digital form, into a digital electrical signal containing a plurality of bits representative of the message and a plurality of bits representative of characteristic properties of the human voice and transmitting the digital electrical signal to a remote terminal.
5. A method as claimed in claim 3 including in addition the steps of formatting the human speech, after conversion to digital form, into a digital electrical signal containing a plurality of bits representative of the message and a plurality of bits representative of characteristic properties of the human voice and transmitting the digital electrical signal to a remote terminal. 6. A method as claimed in claim 5 including the steps of receiving a digital electrical signal transmitted from a remote terminal and coverting the received signal to a spoken message in a synthesized voice having approximately the characteristic properties of an original speaker at the remote terminal.