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 3ft, 1 Meter Phone Cord
(1 Pack) 3 Feet Black Telephone Cable 6P4C RJ11 Male
Male Phone Lines
Neortx
RJ11 Cable ADSL 16.4ft Extension Lead Phone Cord
NECABLES 3Pack Phone Cord 1ft Telephone Cord Phone
Keple 1m RJ11 to RJ45 Cable Phone Telephone Cord Mauritius
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3-PACK) 1 Foot Telephone Cable, RJ11 Male to Male 6P4C Phone Line
Buy YUSHVN 2 Pack Black Phone Cord 5M 16.5ft Telephone Line Extension Cord Cable Wire Male to Male RJ11 6P4C Modular Plug for Landline Telephone Fax
YUSHVN 2 Pack Black Phone Cord 5M 16.5ft Telephone Line Extension Cord Cable Wire Male to Male RJ11 …See more YUSHVN 2 Pack Black Phone Cord 5M 16.5ft