The study of H.26x frame through firewall security

Today VoIP and video conferencing applications are very common in internet. On the other side, network firewalls have become basic network security equipments. Not only enterprises will set up firewall system, most of SOHOs and individual users also set up a firewall as a standard device. In order to allow Video Conference network environment in normal operation in a firewall environment, IETF and the Video Conference industry propose a lot of solution. [1] This article is going to present some common frameworks for analysis Video Conference operation and looking forward to provide Video Conference normally working in a firewall network environment.