Amazon.com: RJ12 to RJ12 Cable 1m 6P6C Flat Extension Lead Phone Cord Telephone Plug Connector Male to Male Router/Modem to Phone Landline Socket Switchboard Lead Data Plug Wire RJ-12 to RJ-12 (White) :
Phone Data Jack Keystone RJ11/RJ12 Female to 110
25ft RJ12 6P6C Straight Modular Cable
Monoprice Landline Telephone Cable - 7 Feet - Rj12(6p6c) Straight For Data : Target