We will receive tray icon messages on id ID_TRAY. It makes sure that only one instance of the chat server runs at any time. Finally, this chat program is integrated with Microsoft NetMeeting for ease of use.
Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP compliant software and also with Microsoft NetMeeting