Free internet se call karne ke liye kaafi websites aur apps available hain, jo aapko VoIP (Voice over Internet Protocol) technology ka use karke calls karne ki suvidha deti hain. Yahaan kuch popular websites aur services hain jo free calling ki facility provide karti hain: 1. Google Voice 2. TextNow 3. PopTox 4. Globfone 5. […]