1. VOIP H323 Phone SDK v.1.6
Communications Internet
VOIP H323 DLL Soft Phone SDK brings H.323 protocol support for ActiveX. tags: sip, h323, voip, sipphone, asterisk, cisco, openh323, rfc standards voip, sip stack, rtc api, web phone, ...
2. 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, ... 3. VSoft Phone v.2.0.1
Other Internet
The VSoft Phone is a simple to use internet telephone system.tags: softphone, pc phone, ip phone, sip, voip phone, free call, voip, ... 4. 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, ... 5. Collanos Phone Mac OS X v.0.9
Communications Internet
Collanos Phone is a VoIP softphone and multi-protocol Instant Messengertags: collanos phone, phone, voice, voice services, video, sip, sip phone, unified collaboration, unified teamwork, collanos workplace, voip, voip provider, im, instant messaging, yahoo!, msn, ...
6. ActiPOINT v.1.11.05
Phone Fax and Modem Utilities
COMIRELs ActiPOINT offers a comprehensive call management and contact managementtags: contact management system, call management, snom voip phone, actisip pro, third-party-conference, call forwarding, 3 phones, call redirection, line toggling, lines on hold, tapi, cms, cti, crm, capi, actipoint, ... |