What is the meaning of telephone?

noun

• Electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds.
  • usage: "I talked to him on the telephone"
  • synonyms: phone, telephone set
• Transmitting speech at a distance.
  • synonyms: telephony

verb

• Get or try to get into communication (with someone) by telephone.
  • usage: "I tried to call you all night"; "Take two aspirin and call me in the morning"
  • synonyms: call, call up, phone, ring