Mode: ZS-4216 TVRS Basic Functions: 1) Supports Windows 2000/XP/2003 2) Software access to PC. 3) There is PCI card with 16 channels can be plugged inside PC 4) Hardware compress (rate=8) chips added to board, get better voice quality, save a lot of HDD space. 5) Card can detect line voltage, so it's adapted to any line condition. 6) New module installation, more steady on board. 7) Can record and monitor 16 analog ports simultaneously, the maximum 160 channels can work together via industrial control computer support 8) Can be used on ordinary telephone lines (PSTN), ISDN modem draw lines, extension lines, conference telephones, interphones, door phones 9) Support DTMF/FSK incoming CallerID and Incoming CallerID Popup. 10) 270 Hours /G HDD. 11) Supports three modes of recording (audio, key and phone) Typical Usages: [1] Call center,Help Desk,Hospital,Fire station [2] Recording conferences calls [3] Recording instruction,Clarification of quantities and Specifications [4] Protection of staff from abusive/difficult customers [5] Monitoring nuisance callers [6] Monitoring customer service