There are two types of cables. Charging cables: it can only charge your smartphone and other devices, but it cannot transfer data. Data cables Charge your devices and transfer data. These are the most common types of telephone cables. Coaxial cable is the most common telephone cable and is called coaxial cable. The double coil wire driven transmission consists of twisted pair wires. The twisted pair cable consists of two separate insulated copper wires. Fiber optic cables are a similar group to electrical cables