... format. 3. Monitor. 4. Export and print USB call recorder for business telephone system:Function:Call ID display: Support FSK ... & DTMF formats.Search: Query the recording by Date, Time, Channel, Recorder period, In/Out etc.AGC: The system support AGC ... the phone.Statistic: Statistical Cumulative number, Cumulative talk time, Average Call time, missed call and operating logNumber Filter: Input some ...