A tube designed for the carriage of the human voice from one part of the ship to another. In its simplest form the voice-tube system includes a speaking connection between the pilot house and engine room only. In large war vessels the system becomes very complicated. Voice tubes are generally made up to about four inches in diameter and fitted with appropriate speaking and listening terminals. Telephones have largely replaced them.
Ityhubhu eyakhelwe ukuthuthwa kwelizwi lomntu ukusuka kwenye indawo yenqanawe ukuya kwenye. Kwinkqubo yayo elula, ityhubhu yelizwi idibanisa umdibaniso wokuthetha phakathi kwendlu yomalathi-ndlela kunye nendlu yenjini kuphela. Ezi tyhubhu zelizwi sezithathelwe iindawo yazo yifoni.