Amazon.com: Keple RJ11 Cable ADSL 10ft Extension Lead Phone Cord Telephone Plug High Speed Xfinity Internet Broadband Male to Male Router and Modem to RJ11 Phone Socket/Microfilter/Landline Wire (Black) : Electronics
RJ11 to BT Landline Telephone Phone Cable Lead Modem FAX Plug BT Socket 2m - 10m | eBay
Amazon.com: (2 Pack) 3 Feet White Short Telephone Cable Rj11 Male to Male 36 inch Phone Line Cord : Electronics
RCA Phone Cable Rj11 Telephone Cable in the Voice & Data Connectors department at Lowes.com
Monoprice Landline Telephone Cable - 7 Feet - Rj11(6p4c) Straight For Data : Target