1. Freecallme PcPhone v.5.2
Communications Internet
Make FREE pc-to-pc and pc-to-phone calls over Internet and ISDN/PSTN and SIP nettags: make, free, pc-to-pc, and, pc-to-phone, calls, over, internet, and, isdn/pstn, and, sip, network, ...
2. PC-Telephone v.6.0 
Communications Internet
PC-to-Phone, PC-to-Fax, PC-to-PC, Phone-to-PC over Internet or ISDN - callerIDtags: pc-telephone, pc-phone, pc-to-phone, pc-pc, pc-to-pc, pc-fax, pc-to-fax, internet-telephone, free-pc-to-phone-calls, free-phone-calls, isdn-phone, isdn-fax, usb-phone, usb-voip-phone, usb-voip-mouse, ... 3. PhoneServer and WebServer v.2.1.0.0
Communications Internet
Connect your telephone to the Internet and make and recieve calls from anywhere.tags: webserver, phoneserver, telephone, voice mail, free, long distance, voice, telephony, webphone, phone, ...
4. Xeleven v.2.5
Communications Internet
Xeleven – SIP Softphone for initiating and accepting calls over Internettags: sip, x11, xeleven, p2p, voip, voice, chat, im, instant message, internet, broadband, headset, phone, mobile, cellphone, skype, ... |