By using Portech SBK-32 expander for 32 SIM-cards, you can increase the number of channels in the Portech MV-37X GSM VoIP gateway series using the Internet.
DigiLinea is focused uniquely on the US Hispanic and Latin American markets and is vertically integrated into many countries in Latin America as DigiLinea owns local telecom licenses. This vertical integration allows DigiLinea to provide local Latin Ameri