PCI slot ,8 Rate compress hardware, Can Recorder 280 hours /G HDD 
Max 8-10 pcs cards work togther in a PC

TVRS system basic function

•  Supports Windows 98/2000/XP/2003/NT/Win7 /Vista  32/64 Bit System
•  Support DTMF/FSK incoming CallerID, Support Incoming CallerID Popup
•  Consists of the incoming customer management system to recognize the incomers and the Popup Screen
•  Support monitor the conversation for every line on the real time by LAN
•  Supports three recorder mode : Phone, Audio, Key
•  Support list and print all the dialed-in, dialed-out and missed calls
•  Can record the direct call. Support the simultaneous recording for the direct phone and extension
•  Supports auto-backup, FTP back up the files onto the burning ROM, supports the auto fold repeat.
•  The outward phone cables, extension cables, ISDN catalog cables, output cables for the wireless interphones are
•  Alarm information displayed on the screen or in the e-mails when e meeting abnormal situation (cable broken)
•  Support duple/quintuple/octuple compression and save and WAV format
•  Support inquire, play and monitoring for the network.
•  With the default multi-language of English, French, Portuguese, Vietnamese,Turkish, Spanish, Korea, Arabic, Plish, Hebrew, Serbian,

4300 cards speciality：

• 4204,4208 and 4216 can install together in same PC and share same driver.
• "CallerID King Tech",get perfect callerid recognizing rate.Thicker golden finger PCB,more stable to any PC.
• Hardware compress(rate=8) chips added to board,get better voice quality,save a lot of HDD space. 
• Card can detect line voltage,so it's adapt to any line condition.
• New module installation ,more steady on board.

Requirement for the Hardware 

ZS-4508A cards Connecting:

ZS-4516A cards Connecting: 

PCI 4300 card Tech Parameter：