Free internet phone calls by WiFiPhone. Making online calls to mobile & landline phones lets you make free VOIP calls from your PC or Smartphone using WiFi or internet only. You can use WiFiPhone from any standard web browser. No need to download apps or plug-ins. Absolutely no payment is required. Simply enter the phone number and click on the “Call” button to start your first free call. Make entirely free calls using our Ai web based free calling app! WiFiPhone is Free to use 24/7.