Hoe kan ik internet bellen?
Wat is voip voice over internet protocol. alles over voip. gratis internet bellen. asterisk pbx., wat is voip voice over internet protocol. alles over voip. gratis internet bellen.
http://voip.hakstege.net/
Cisco SIP documentatie
Cisco SIP documentatie
http://www.cisco.com/univercd/cc/td/doc/product/voice/sipsols/biggulp/
Callflow SIP Protocol
Callflow SIP Protocol
http://www.microsoft.com/technet/prodtechnol/winxppro/plan/rtcprot.mspx
Session Initiation Protocol
Session initiation protocol
http://www.cs.columbia.edu/sip/
Sip en Skype
Nrc handelsblad
http://www.nrc.nl/krant/article76327.ece
SIP Tutorial
Internet telephony
http://www.iptel.org/sip/
SIP Specific Event Notification
SIP Specific Event Notification
http://www.packetizer.com/rfc/rfc.cgi?num=3265
SIP protocol
SIP protocol
http://www.voip-info.org/wiki-sip
Why SIP?
Why SIP?
http://www.newit.net/