Gatekeepers, passerelles et proxies
OpenH323 Gatekeeper: http://www.openh323.org
GNU Gatekeeper: http://www.gnugk.org
OpenH323 Proxy: http://openh323.sourceforge.net
H323 - ISDN Gateway: http://www.telos.de/linux/H323
Logiciels de conférence/VoIP
OpenMCU: http://www.openh323.org
Asterisk PBX: http://asterisk.org
Autres clients H.323
OpenPhone: http://www.openh323.org
Netmeeting: http://www.microsoft.com
SJPhone: http://www.sjlabs.com
