a teleconference in which participants are connected by telephone circuits; the transmission of other signals such as facsimile or telewriting signals may be possible in addition to speech signals
Found on
http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=701-01-23
Audio teleconference. An electronic meeting in which participants in different locations use telephones or specialised audio-conferencing equipment to interactively communicate with each other in real time.
Found on
https://www.encyclo.co.uk/local/20812
No exact match found.
