verb get or try to get into communication (with someone) by telephone.
— synonyms: call, telephone, call_up, ring
noun electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds.
— synonyms: telephone, telephone_set
noun (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language.
— synonyms: speech_sound, sound
noun electro-acoustic transducer for converting electric signals into sounds.
— synonyms: earphone, earpiece, headphone