Speaking to people remotely.
The telephone is being used by anyone from children and adults,
no, but an iphone can be used as a telephone.
Before the telephone, telegraphs were used.
A butt set can be used to intercept a telephone.
Communication.
grmaophone
yes
Yes, it can be depending on how it is used. For example, if you say "I am going to telephone my friend" it is a verb but if you say "Answer the telephone" then it is a noun.
The only telephone device that was used in the 1960's, was the land line telephone.
YES. YES.
Telephone Operator's Helmet was the nickname it was given because it was also used by Field Telephone Operators.
telegraph