n.

electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds

"I talked to him on the telephone"

同義詞：phonetelephone set

transmitting speech at a distance

同義詞：telephony

Telephoning method comprising novel subscriber service
Obscene telephoning by an exhibitionist during therapy: a case report.
Handedness and Preferred Ear for Telephoning.
The effects of mobile telephoning on driving performance.
Patients telephoning A&E for advice: a comparison of expectations and outcomes.
Driving and telephoning: Relative accident risk when using hand-held and hands-free mobile phones
Can Video Conferencing Be as Easy as Telephoning?—A Home Healthcare Case Study
Interference between concurrent tasks of driving and telephoning.
NLS Teleconferencing Features: The Journal, and Shared-Screen Telephoning
Very low birth-weight infants: parental visiting and telephoning during initial infant hospitalization