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Brief Introduction
1. Offer 1-port,2-port cards. Up to 4 channels can work together at most in one computer. 
2.With automatic start and stop or manually operation if required. 
3. Can do Long-term recording depending on the harddisk space.
4.Recording system activates itself the moment the line is in use to record both sides of the conversation.
5. Sound playing back is very clear, does not have any influence on the telephone line. 
6. Can be used on ordinary telephone line (PSTN ) , ISDN modem draw line , extension line, conference telephone , interphone , doorphone ,etc. 
7. Write down call logs such as dial-number and Caller ID, support complex inquiry indexed by date , time , dial-number ,Caller ID ,Call type etc ,many kinds of terms . 
8. Reoprt for call logs processing. 
9. Popuping customer's information on the monitor of a PC on LAN or Internet.
10. Support voice playback on LAN. 
11. There are many kinds of user's authorities to meet different demands.