1)   RinGo 0.6
Make voice calls from any PC in the world. Free voice connectivity with Internet users. RinGo allows you to make calls from any place in the world from your PC without the use of PSTN (traditional telephony provider) for local and international calls

 2)   Voicent VoiceXML Gateway 6.0.1
VoiceXML Gateway VOIP PSTN TAPI development SDK for interactive telephony apps. High level W3C development platform. Supports text-to-speech, voice recognition, DTMF tones for both inbound, outbound apps. Works with VOIP, Skype, and voice modem.

 3)   Voicent Predictive Dialer 5.1.0
Predictive dialer and automatic dialer for telemarketing. It can dial phone numbers, play audio messages, transfer calls, and record conversations, all by the press of a key.

 4)   Solution4VOIP VoipSwitch 2.0.0.955
Solution4VOIP (The VOipSwitch Solution provider) is a complete IP telephony platform using which you can offer a variety of services such as: wholesale Voip termination, device to phone (NAT support) , pc to phone, web to phone , calling cards, SMS/ANI/WEB callback , DIDs’ mapping , callshops, for details visit our website http://solution4voip.com

 5)   BeyondPhone 2.4.1.0
BeyondPhone is future of internet telephony. You can make substantial savings on every outgoing call. Call anywhere in the world from your computer. For high call clarity and low calling rates , for details visit our website http://beyondphone.com