BORSCHT is an acronym for: Battery feed Overvoltage protection Ringing Supervision Codec Hybrid Testing The electronic functions collectively known as BORSCHT are used in Plain Old Telephone Service (POTS) telephony signaling, line supervision and telephone terminal operation. BORSCHT circuitry is typically located on a telecommunications network line card and is increasingly integrated into a chipset by several semiconductor companies for low-cost implementation of a standard POTS telephone int… (More on Borscht)