"MEDIA CONTROL- CODECS; TONE DETECTION, GENERATION; CALLER ID, FSK, DTMF, MF DETECTION; ACTIVITY, SILENCE DETECTORS; SWITCHING (H.100 AND MVIP); AUTOMATIC GAIN CONTROL (AGC); AUTOMATIC GAIN CONTROL (AGC); AUTOMATIC VOLUME CONTROL (AVC); STEREO RECORDING; ECHO CANCELLATION; CALL PROGRESS MONITORING (CPM); FULL-DUPLEX CHANNELS; MEDIA STREAMING; LIVE MONITORING; START-STOP CALL RECORDING TRIGGERS; BEEP TONE GENERATION FOR PASSIVE MODE"