Automatic start &stop using volume threshold or hardware connection.
Signal processing to improve voice intelligibility and automatic level control - Advanced audio compression to reduce file size. With the maximum compression setting, the VRS can record 2 years of 24 hour-a-day audio on a 32GB hard drive
Find and play recordings ordered by date or channel - Save recordings as wave files. Special Features (Telephone Line Recording Mode) - Records 1- 7 telephone lines simultaneously - Logs dialled number (DTMF) for searching.