This landline phone cord comes with two RJ11 standard phone connectors on both ends and can be used for telephones, fax machines, modems, answering machines, etc. It is manufactured with high quality. Each phone line is hand-selected and tested to meet quality standards. It is ideal for use as a replacement for phone or fax line cables, or as a phone extension cable. This landline phone cord is designed for use in both business and home phone systems and can be used with single-line or two-line phones. Connect two phones or connect a phone to a wall jack. 34-36-10