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.
A Gatekeeper in VoIP systems manages call control, including authorization, bandwidth management, and call routing, ensuring efficient communication within a network.
A Gateway is a device that connects different networks, translating communication protocols between them, such as connecting a VoIP system to the public telephone network.