PSTN – Public Switched Telephone Network

The year is 1982. The air in Elric’s bedroom is thick with the scent of solder and stale coffee. The rhythmic click-clack of a nearby Teletype machine provides the soundtrack to his late-night explorations.  To most, a telephone is a plastic object on a kitchen wall. To Elric, it is a gateway to the Public Switched Read More …

GMSC – Gateway Mobile Switching Center

The GMSC is a specialized type of Mobile Switching Center (MSC) that serves as a gateway between a mobile network and other networks, such as the Public Switched Telephone Network (PSTN) or other mobile networks.  Its primary function is to facilitate communication between mobile users and users on different networks, enabling calls and data transfers Read More …