tel·e·phone 
(tĕlə-fōn′)
(tĕlə-fōn′)n.
An instrument for simultaneously transmitting and receiving speech or other sounds over a distance by converting the sounds into signals that are sent to a similar instrument and converting them back into sounds.
v. tel·e·phoned, tel·e·phon·ing, tel·e·phones
v.tr.
1.
a. To make or try to make a telephone connection with; place a call to: telephoned the police station.
b. To dial (a telephone number).
2. To transmit (a message, for example) by telephone: I telephoned that I was sick and could not come to work.
v.intr.
To engage in communication by telephone: She telephoned to invite us to the party.
tele·phon′er n.