telecom, telecommunication - (often plural) systems used in transmitting messages over a distance electronically

call, phone call, telephone call - a telephone connection; "she reported several anonymous calls"; "he placed a phone call to London"; "he heard the phone ringing but didn't want to take the call"

call forwarding - lets you transfer your incoming calls to any telephone that you can dial direct

call waiting - a way of letting you know that someone else is calling when you are using your telephone

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

cell phone - call up by using a cellular phone; "If the train is late, I will cell phone you"

call in - make a phone call; "call in to a radio station"; "call in sick"

dial - operate a dial to select a telephone number; "You must take the receiver off the hook before you dial"

hold the line, hang on, hold on - hold the phone line open; "Please hang on while I get your folder"