1)   3CX VOIP Phone for Windows 1.0
Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP/ VOIP provider/ phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Free download from http://www.3cx.com
SIP Phone, VOIP Phone, VOIP, IP PBX, VOIP Phone System, Vonage, SIP,

 2)   Globe7 8.0.0.1
Globe7 is a tiny application integrated with Soft Phone, IM, Videos, Games, News and many more opt-in widgets like Live TV, Live Radio, Astrology, Forex, Movies, Pets, Recipes, Sports for your complete entertainment, information and communication.
VOIP Phone, Soft Phone, Widgets, VOIP, Free Calls, IM, Chat, SMS, Videos, Movies,

 3)   ZOIPER Free SIP and IAX softphone 2.14
ZOIPER 2.0 Free Edition is a user-friendly IAX and SIP softphone compatible with the Asterisk platform or any other IAX or SIP capable system. ZOIPER Free . Find out the many advantages of this FREE product from Attractel!
iax, sip, iax2, iax and sip, tcp, tls, srtp, t.38, fax, softphone,

 4)   vPhonesoft 1.04
vPhone lets you see, hear, send files, SMS, MMS and chat with anyone, anywhere in the world - all for FREE. vPhonesoft allows to place high- quality videoconferences and call from your computer to any phone or cellular at great rates
free, freeware, internet, phone, softphone, voip, voip phone, video over ip, video conference, conference call,

 5)   PBXPress Live CD Demo 1.1
PBXpress is a voice over IP (VoIP) replacement of traditional PBX in the era of the Internet. All of your phones are connected and provisioned via an IP network, your phone calls are always recorded and connected at a fraction of the usual cost.
voip, voice over ip, pbx, unix pbx, voip pbx, asterisk, call recording, call loccing, digital voice recording, phone recording,