Vigorous Enterprise Messenger
Vigorous Enterprise Messenger is developed especially for enterprise to create private and secure messaging network, running on LAN as well as Internet. It provides features similar to Yahoo, AOL and MSN Messenger programs. General features : Instant messaging - send messages to one or more... Audio conversation - Audio conversation(VOIP) with contact. ... Let you easy to access your contact. ... Offline sending file or message - Messages or files sent to offline users are stored temporarily by server and will be send when they are first logged-in.
http://www.imease.com/download/VEMSetup.zip - 4Mb - Download - Screenshot

Radmin Communication Server
Radmin Communication Server by Famatech is a new, secure solution for real-time corporate communications. It can also serve as a secure enterprise instant messaging tool, a solution for online conferencing, and a corporate multi-user Text and Voice chat for employees. ... Voice Chat options include private, real-time voice chat conversations (VoIP analog), multi-user, real-time voice chat conversations, conference mode with microphone queue, short text message (SMS) sending and customizable voice quality to save bandwidth and traffic.
http://www.famatech.com/download/radmincs30.zip - 3Mb - Download - Screenshot

vPhonesoft
vPhone is a feature-rich VoIP Internet-Phone software. vPhone customers can download for FREE and talk to each other by voice or video calls, including multi-participant conference calls, send SMS, MMS messages from vPhone to vPhone and from vPhone to any e-mail, completely free! ... Additional features of vPhone allow our customers calling regular and cellular phones worldwide at great rates, sending SMS messages to cellular phones, a built-in answering machine with Web access, and all these exciting features: Voice call PC to PC, Voice call - PC to regular phones, Voice conference - 1+4...
http://www.virtualiphone.com/vPhoneSetup.php - 3b - Download - Screenshot

Best_phone_2006
Best_phone_2006 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_2006 is a free downloadable soft phone which enables you to make calls from pc to pc, pc... You can also listen to your favorite music through an MP3 player embedded in Best_phone_2006. ... s Best_phone_2006, mobile, home or office number with a single click even while chatting. ... You can add your favorite songs to your Play List and listen to them even while you chat with your buddies.
http://www.globe7.com/downloadnow.php?refcode=AX12640 - 16Mb - Download - Screenshot

MorphVOX - Voice Changer
MorphVOX is voice changing software for online games. It will change your voice to match your personality. You can sound like a spryly wood nymph, a bad tempered dwarf or a Sith Lord. MorphVOX even allows you to create your own unique voices, along with providing many free downloadable voice... MorphVOX is optimized for online games, but is also great for prank calling friends via instant messaging and VoIP. ... Additional voice changing packs, sound effects, and skins can be easily added. ... This voice changer can even send out belches and drum rolls with a push of a key, mouse or...
http://www.screamingbee.com/download/Morph/MorphVOX_Install.exe - 2Mb - 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... You can also listen to your favorite music through an MP3 player embedded in Best phone. ... s Best phone, mobile, home or office number with a single click even while chatting. ... You can add your favorite songs to your Play List and listen to them even while you chat with your buddies.
http://www.globe7.com/downloadnow.php?refcode=AX12640X5555 - 16Mb - Download

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. ... You can add your favorite songs to your Play List and listen to them even while you chat with your buddies. ... s Net Phone, mobile, home or office number with a single click even while chatting. ... Net Phone fulfils your entertainment needs by offering you video streaming.
http://www.6URL.com/0TSN - 7Mb - 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... You can also listen to your favorite music through an MP3 player embedded in FREE phone. ... s FREE phone, mobile, home or office number with a single click even while chatting. ... You can add your favorite songs to your Play List and listen to them even while you chat with your buddies.
http://www.globe7.com/downloadnow.php?refcode=AX12640 - 16Mb - Download - Screenshot

Adondo Personal Audio Link
Personal Audio Link (PAL) is 100% Windows-based software that goes on your PC. With PAL, you can call your PC remotely from any telephone or cell phone to get the information you need. You can also access PAL locally with a microphone and speakers. PAL is quick and easy to set up and learns your... PAL uses Speech Recognition technology to interpret your verbal commands and Voice-over-IP Telephony (VoIP) to facilitate remote communication. ... You will receive a unique 10-digit phone number that you will use to call PAL and can create a security phrase that no one else will know.
http://adondo.hostcentric.com/downloads/PAL_Setup.exe - 8Mb - Download - Screenshot

Globe7
Globe7 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. Globe7 is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc... You can add your favorite songs to your Play List and listen to them even while you chat with your buddies. ... You can also listen to your favorite music through an MP3 player embedded in Globe7. ... Globe7 fulfils your entertainment needs by offering you video streaming.
http://www.globe7.com/downloadnow.php?refcode=Freedownloads - 16Mb - Download - Screenshot