10. Links utili

10.1 Free software

• Voxilla
• Linux Telephony
• sito web Open H323
• http://www.gnomemeeting.org/
• Speak Freely
• http://www.linphone.org
• http://www.fsf.org/software/osip
• http://www.gnu.org/software/bayonne

10.2 Link Commerciali

• Fatamorgana Computers
• International Communication Union
• sito web Voicetronix
• sito web Quicknet
• Cisco Systems
• www.metropark.com
• www.nbxsoftware.com