UCE is H323 Telephony. UCE includes whole features of GSM phones and works with different architectures like PSTN. UCE provides voice commands,make it easy for blind users with sound server support.UCE made in TURKEY (Uraz-Cihad-Ersin) Atilim University
CaminoTalks is a open source, cross platform videoconferencing system. It is designed to work behind a firewall and can have mutiple connections. It works with all popular Messengers like MSN, AIM, ICQ, GAIM. It overcome Netmeeting/H323.Videoconference.
A wxWindows based IAX client utilizing the phonecore module with support for Digium's S100U/P and Quicknet PhoneJack, along with just a plain ole regular sound card.