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If you live or work in an area with marginal cell service and want to use your Android smartphone to make and receive voice calls, you can. The key is to piggyback on an Internet connection at your location using the Internet bandwidth there to carry your voice traffic. This method of calling works using VoIP technology -- a form of calling over computer networks without traditional telephone copper wire. You are abandoning your lackluster cellphone signal and routing your voice traffic over a WiFi router, and down into the depths of the Internet pipe.
Hello everybody, please tell me where to ask something. I tried the suggested actions but it doesn't work. Thans an regards, Thomas