TongYuanDa factory supply Telephone Cable include Round Telephone Cable and Flat Cable, they all include 4 Core Telephone Cable and 8 Core Telephone Cable, for example 6P4C/6P2C/ 4P4C and so on. You can use from wall phone line to a telephone. Male RJ11 to male RJ11 Telephone Cables are used for standard RJ11 phones. For use with telephones, fax machines, modems, answering machines, etc.Not work as a Ethernet Cable (Example: internet box to xbox). Except telephone cable, our factory also supply Network Cable and Lan Cable.