PC-Telephone 5.7
 

Make phone and fax calls over Internet, LAN or ISDN
The next generation of PC-to-Phone/Fax calling is now available! Make calls anywhere in the world using your computer.

Make FREE pc-to-pc, pc-pc and cheap pc-to-phone, pc-phone, pc-to-fax, pc-fax, phone-to-pc, phone-pc, fax-to-pc, fax-pc calls over Internet/VoIP or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, USB handset, ISDN telephone, ISDN fax, answer phone, fax software, voicemail, caller ID, CLIP/CLIR, audio conferencing, call answer, call transfer, call forwarding, call waiting, call accounting, call recording..

PC-Telephone provides high quality voice and seamless integration with any USB phone device available on your PC.

http://www.pc-telephone.com/