Back-to-Back User Agent (B2BUA) SIP Servers Powering Next Generation Networks

Overview

SIP Back-to-Back User Agent (B2BUA) Servers are probably one of the most important and powerful types of SIP Servers. B2BUA servers are commonly used to develop and offer value added features. The difference between Proxy server and B2BUA server is sometimes not fully understood, but effectively B2BUA servers are much stronger and intelligent entities that can perform actions which Proxy servers cant. This white paper provides managers in the VoIP and real-time multimedia industry an overall understanding of B2BUA servers. Better understanding of B2BUA servers can help managers understand the value, and the tradeoffs, of choosing a B2BUA server as the framework for developing a wide range of SIP applications and SIP services.