References, Links

Link Description
http://www.openh323.org/ The OpenH323 project
http://www.cs.columbia.edu/~hgs/rtp Discussion about RTP
http://www.packetizer.com/iptel/h323/ H.323 Information Site
http://www.h323forum.org/ The H.323 Forum
ftp://ftp.rsasecurity.com/pub/pkcs/ps/layman.ps ASN.1 introduction
http://www.isi.salford.ac.uk//books/osi/chap8.html ASN.1 introduction