Usar la aplicación APKPure
Obtener Via Voice - Getting GSM calls versión histórica en Android
With VIA Voice App you can get High Quality calls from Land-Line or SIP systems.
With VIA Voice you can get free GSM voice calls to your mobile.
VIA Voice doesn't use data during the call, so you don't rely on good data connection for high quality calls.
* GSM High Quality calls not VOIP
* Doesn’t require data during the call
* Land line to Pure GSM calls