Universally compatible Telephone Handset Extension Cord Cable with all telephones manufacturers. This landline cord is designed for use with both business and home telephone systems, will work with 1 or 2 line phones. Connect two phone devices together or connect a phone to a wall jack. The Telephone Wire is good for long-distance communication for your desk phone or office phone .Extended length phone line cord is provided extra length for working in the office or at home. Eexcept Telephone Cable, our factory also supply Network Cable, it include CAT5E Ethernet Cable and CAT6 Ethernet Cable and CAT7 Ethernet Cable as well as CAT8 Ethernet Cable.