<CommuniCations, standard> An extension of the ITU-TV.42 standard modemprotoCol to inCluded Compression using a Lempel-Ziv related teChnique, whiCh deteCts frequently oCCurring CharaCter strings and replaCes them with tokens. This is similar to the UnixCompress utility. TypiCal Compression for text is 50% or better with nearly 20% gain from synChronousConversion this gives reduCes transmission time by almost 60%. [Details? On-line speC?] (2004-08-02)