Multiple choice “Audio-conferencing” may be classified among the following types of communication two sided non-verbal one sided non-verbal two sided verbal one sided verbal Reveal answer Fill a bubble to check yourself C Correct answer Explanation Audio-conferencing involves verbal communication (spoken words) between two or more parties, making it two-sided verbal communication. Participants can speak and listen, creating a two-way verbal exchange. It is not non-verbal, nor one-sided.