In the context of 3CX, what is the purpose of a PSTN gateway?

The primary purpose of a PSTN (Public Switched Telephone Network) gateway within the context of 3CX is to connect traditional phone lines to the 3CX system. This allows users to integrate legacy telephony infrastructure with modern VoIP technology, enabling them to make and receive calls using their existing phone lines through the 3CX platform. By bridging the gap between traditional telephony and VoIP, a PSTN gateway facilitates seamless communication while allowing businesses to leverage their current phone lines without having to make a complete overhaul of their existing systems. This integration helps organizations transition to VoIP at their own pace while still maintaining functionality on their traditional telephony systems.