You can use from wall phone line to a telephone. Male RJ11 to male RJ11 telephone cable is used for standard RJ11 phones. For use with telephones, fax
NEORTX RJ11 to RJ11 Cable 5ft, 1.5 Meters Phone Cord Telephone Line Extension Cord Cable Wire Male to Male RJ11 6P4C Modular Plug for Landline Telephone Fax Machine (White) : Electronics
RetailAndBulk 1FT RJ11 Telephone Cord - Pro Grade Landline Phone Cable, 4 Wire, 100% Copper, Thickest Gold Contacts, Heavy Duty PVC Jacket (1 Foot, Black) Made in USA : Electronics
(6P4C) 4 Wire RJ11 Male to Male Connectors with a sturdy and thick 26 AWG copper conductors 50 Micron Gold Plating - gives contacts the strongest
(1 Pack) 3 Feet Black Telephone Cable 6P4C RJ11 Male to Male, Made in USA Pro Grade Phone Line Cord
NEORTX RJ11 to RJ11 Cable 5ft, 1.5 Meters Phone Cord Telephone Line Extension Cord Cable Wire Male to Male RJ11 6P4C Modular Plug for Landline Telephone Fax Machine (White) : Electronics
6.5ft Black Telephone Phone Extension Cord Coil Wire Line Cable W/Connectors
15FT Telephone Extension Cord Cable, Landline Phone Line Wire with RJ11 6P4C Plugs, Includes Cable Clips - Black - 2 Pack : Electronics
Cmple - Telephone Cord 25ft Phone Cord for Landline Male to Male 6P6C RJ12 Cable for 3 Lines Home Phone, Fax, DSL Modem, Router, Printer - Gray : Everything Else
NEORTX RJ11 to RJ11 Cable 3ft, 1 Meter Phone Cord Telephone Line Extension Cord Cable Wire Male to Male RJ11 6P4C Modular Plug for Landline Telephone Fax Machine (White) : Electronics
100 FT Telephone Cable Cord Flat Modular Silver Satin 4 Conductor with RJ11 Connector Each End Telephone Line Cord Cable 6P4C RJ11 4-Conductor Phone Extension Cable : Electronics
Standard RJ11 Plug: Standard RJ11 6P4C telephone connector on both ends, 9.8 ft. telephone cord with connector connects two telephone devices
uxcell 6P6C RJ11 Telephone Cable, 9.8Ft Length Phone Extension Cord Line Wire with Standard RJ11 Plug for ADSL, Phone Line Modular Plug for RJ11 Phone
THE CIMPLE CO Phone Line Cord 25 Feet - Modular Telephone Extension Cord 25 Feet - 2 Conductor (2 pin, 1 line) Cable - Works Great with FAX, AIO, and Other Machines - Black : Electronics
NEORTX RJ11 to RJ11 Cable 5ft, 1.5 Meters Phone Cord Telephone Line Extension Cord Cable Wire Male to Male RJ11 6P4C Modular Plug for Landline Telephone Fax Machine (Grey) : Electronics