What does a voice gateway do?

What does a voice gateway do?

A voice gateway is a device that connects a Voice over IP (VoIP) network to a traditional Public Switched Telephone Network (PSTN). It does this by converting analog voice signals...
What is the use of GSM modem?

What is the use of GSM modem?

1. SMS Messaging: GSM modems can send and receive SMS (Short Message Service) messages. They are often used in applications that require SMS functionality, such as automated notifications, alerts, two-factor...