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)
The Extension cord is good to long-distance communication for your desk phone or office phone .Extended length coiled cord is provided Extra Length for working in the office or at home.
The Phone line length of 33 ft, 6p4c connector. Not applies to VOIP phone and Cat 5 is Category 5 UTP cable, typically used for Ethernet with a 8P8C (RJ45) plug. This is standard telephone cord with RJ11 for use with landline telephones, fax machines, dial-up modems, etc.
A handset extension cord that is compatible with RJ11 phones. You can use it as a cable replacement for ordinary home phones.
Worry-free 18-month warranty:made from high quality material to last in weather conditions.