telephone

definition: electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds
example: I talked to them on the telephone.
speech part: noun
synonyms: phone
definition: transmitting speech at a distance
example:
speech part: noun
synonyms: telephony
definition: get or try to get into communication (with someone) by telephone
example:
speech part: verb
synonyms: call

telephone is explained and pronounced

How telephone is being used?