GSM Gateway

What is a GSM gateway and how does it work?

The GSM gateway is a facility that turns expensive calls form the office to a mobile phone, into calls within the GSM network. Imagine that you are calling from your fixed line to your mobile phone these calls are generally very expensive. A GSM gateway, which thanks to more SIM cards, that are stored in it, chooses the cheapest call possible. If you call your colleague on his/her mobile and their number is included in the VPN, the call will be the cheapest and may even be for free!

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