A measure equivalent to one voice line. A DS0 is the fundamental line transmission requirement. A DSP is a specialized type of processor that is optimized for the performing detailed algorithmic operations on analog signals after they have been digitized. Dual Tone Multiple Frequencies Tones that are generated when a button is pressed on a telephone handset s touch-tone keypad. Fax Relay Fax relay is a technique for the transmission of fax calls over packet networks.
Frame relay is based on packet-switching technology.
G.168 does not define how to implement line echo cancellation, but rather defines an extensive test suite for the echo canceller. G.711 is a non-compressed voice standard. Gateway A gateway commonly refers to a box which transcodes voice traffic between the PSTN and modern packet networks. H.110 H.110 is a standard for a bus implementation commonly used to pass voice data streams over the backplane in a cPCI chassis. The standard exists to encourage interoperability between board-level components.