SIP or H.323: Which Protocol for Multimedia Communication?

摘要

Voice over IP and IP Telephony are two hot topics today, with just about every organization being in the process of seriously deploying them nowadays. One of the names that crops up nowadays in relation to these two terms is SIP or Session Initiation Protocol. It's a protocol meant to address the problem of multimedia communication over IP. Another name also crops up here, called H.323, which is the older and more accepted protocol for the job. It has a wider deployment base than SIP, and is also far more complex. Since SIP has been around since 1999, there's been a constant debate on whether it would prove better than H.323. Let's take a look.