PC-Telephone 6.0
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 ...
