FXO (Foreign Exchange Office) is an interface that connects a business’s phone system to the public telephone network, allowing for external call connectivity.
FXS (Foreign Exchange Station) is the interface that delivers the dial tone and power to a traditional analog phone from a phone system, enabling users to make and receive calls.
G.711 is a codec used in digital telephony for compressing and decompressing audio, offering high-quality voice transmission with minimal delay, commonly used in VoIP systems.
G.723.1 is a highly compressed audio codec used in VoIP applications, optimized for low-bandwidth networks, often used in international or low-quality internet connections.
G.729 is a codec designed for voice compression in IP networks, providing good audio quality while using low bandwidth, making it ideal for VoIP services.
G.dmt is a modulation standard used in ADSL technology to divide the bandwidth into multiple channels, improving data transmission rates over copper phone lines.