Welcome to Packetizer, the Internet's leading resource for information related to packet-switched conversational protocols, including ▲H.325, ▲H.323, ▲H.248, ▲T.120, and ▲SIP. We cover just about every ▲IP-based protocol that has relevance to multimedia communications.

Packetizer has grown and changed a lot over the years, with each year resulting in an ever-expanding scope. Even so, Packetizer's core objective has been and still is to be a leading provider of information and services related to the IP Multimedia Communications (▲IPMC) industry.

With page after page of information on Packetizer, you are sure to find what you are seeking. If not, then feel free to contact us and somebody at Packetizer will likely have the answer, no matter how technical.