The RJ-11 connector is a small, modular plug widely used for connecting telephones and landline services. It typically has four or six positions for wires, though only two or four are often used for standard phone lines. Compact and reliable, it remains a staple in home and office setups despite the rise of mobile communication. Knowing how it works can help with repairs or installati... https://enableit.com/differences-between-rj11-rj12/