Telepati SIP Phone Freeware
Telepati SIP Phone Freeware allows you to make PC-PC phone-phone calls over the Internet. Developed using Research Labs VOIP SIP Phone SDK, this free soft phone brings SIP protocol support for ActiveX. With this phone once you set the gatekeeper proxy with the username and password from your... Tested and works with 75% of the providers. ... Though this implementation might turn out fairly complex, our VOIP Implementation Team at Research-Lab will guide you remotely for the same. ... Now VOIP open source projects have made it easier to implement a customized VOIP Solution eliminating...
http://www.bandwidthsaver.com/downloads/telepati.zip - 1Mb - Download - Screenshot

PC-Telephone
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 telephone, ISDN fax, answer phone, fax software,... Works with all Firewalls, NAT and LAN routers - nothing to configure.
http://www.pc-telephone.com/download/pc-telephone.exe - 1Mb - Download - Screenshot

FREE PHONE
FREE phone is a SIP based VoIP soft phone, which integrates robust technologies such as SIP stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. FREE phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile... FREE phone offers you a free phone number to make free pc to pc calls and receive free incoming calls from any phone. ... Through FREE phone, you can have a live video chat with your FREE phone buddy.
http://www.globe7.com/downloadnow.php?refcode=AX12640 - 16Mb - Download - Screenshot

VSoft3
The VSoft Phone is a simple to use internet telephone system that can reduce your call costs. It uses the latest technology to let you make calls to friends, family, and business associates anywhere in the world without any chunky telephone equipment. ... The VSoft Phone utilises a Broadband internet connection to allow a user to make VoIP calls to any phone number worldwide. ... VSoft features includes unlimited free VoIP to VoIP call (PC to PC), free video call, low cost VoIP to home/mobile call, send SMS, confrence, SMS to call, VoIP bridge.
http://www.mobif.com.my/Download/VSoft3.3-setup.exe - 4Mb - Download - Screenshot

Call Any Phone any Where Free by Watching Videos
Net Phone has come up with new features. Call Any Phone any Where Free by Watching Videos. Net Phone is a Net based VoIP net phone, which integrates robust technologies such as Net stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. ... Net Phone offers you a free phone number to make free pc to pc calls and receive free incoming calls from any phone. ... Net Phone is a free downloadable net phone which enables you to make calls from pc to pc, pc to mobile and pc to landline.
http://www.6URL.com/0TSN - 7Mb - Download - Screenshot

MobTime Cell Phone Manager
A easy-to-use pc software that helps you manage your mobile phone via data cable, IrDA or Bluetooth. The software supports most famous mobile phones of Nokia, Samsung, SonyEricsson, Motorola, LG, Siemens and so on. Now more than 300 models are supported. ... 7 Have a mobile phone, but don't know how to connect your computer to Internet via your phone because the connection parameters are a little complicated to set up! ... 2 Tired to sync manually your contacts, calendars between mobile phone and Outlook or Outlook Express!
http://www.mobtime.com/en/cpm/download.php - 12Mb - Download - Screenshot

Best Phone
Best phone is a SIP based VoIP soft phone, which integrates robust technologies such as SIP stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. Best phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile... Best phone offers you a free phone number to make free pc to pc calls and receive free incoming calls from any phone. ... Best phone Follow Me Service enables you to get calls redirected to your landline or mobile phone when you are not online.
http://www.globe7.com/downloadnow.php?refcode=AX12640X5555 - 16Mb - Download

MagicMessage
MagicMessage for Windows lets you send and receive text messages from your PC. Key Benefits: Turns your computer into a mobile phone able to send and receive text messages. Type long text messages effortlessly from the comfort of your keyboard. Fast, reliable service with guaranteed delivery of... Your message is delivered over the internet to the mobile phone. ... Built-in phone book to store all your mobile phone numbers. ... Receive replies to your email account for free. ... Features: Works on any PC with internet access, anywhere in the world.
http://www.textmagic.co.uk/magicmessage/magicmessage.exe - 2Mb - Download - Screenshot

soft Phone
soft Phone is a SIP based VoIP soft phone, which integrates robust technologies such as SIP stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. soft Phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile... soft Phone offers you a free phone number to make free pc to pc calls and receive free incoming calls from any phone. ... soft Phone Follow Me Service enables you to get calls redirected to your landline or mobile phone when you are not online.
http://www.globe7.com/downloadnow.php?refcode=AX12640X1111 - 16Mb - Download - Screenshot

Gizmo Project
Gizmo Project is a free Internet phone for your computer that lets users make crystal-clear free calls using the Internet. As easy to use as instant messaging, calls offer crystal-clear voice quality and PC-to-PC calls are always free. Calls to ordinary landlines and mobile phones are available... Gizmo Project users enjoy high-end features as customizable, free voicemail which is conveniently sent to you via email, free conference calling, free call forwarding, complete call history, free access to millions of people on SIP-based networks, built-in instant messaging (IM) capabilities,...
http://www.gizmoproject.com/GizmoDownload/WinGizmoInstall.exe - 10Mb - Download - Screenshot