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.
Speaking to people remotely.
grmaophone
yes
The only telephone device that was used in the 1960's, was the land line telephone.
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.
YES. YES.
telegraph
No.. Do you?