TELEPHONE
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS5779644
| Definition | A <TELEPHONE> is an <ARTEFACT> and a <COMMUNICATIONS DEVICE> that converts sound signals into corresponding variations of electric current (or potential), which is transmitted by wire or radio to a distant point where it is reconverted into sound | 
| ISO number | 3488 | 
| RDS number | RDS5779644 | 
| Source | Electrical |