Clir
TAPICall v.4.2.129
TAPICall turns your desktop PC into a highly efficient CTI work station by means of Outlook add-in, Popup of your contacts by Phone number, Journal entry, Operates with any up-to-date PBX or ISDN controller, Nontutorial handling,
PC-Telephone v.6.3
Make FREE pc-to-pc, cheap pc-to-phone, pc-to-fax, phone-to-pc, fax-to-pc, SIP-phone calls over Internet or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, SIP telephone, ISDN phone, FAX, Voicemail.