“The 3G IP Multimedia Subsystem (IMS): Merging the Internet and the Celluar Worlds” by Gonzalo Camarillo, Miguel-Angel Garcia-Martin, John Wiley & Sons, 2006
IMS Bench SIPp is a performance testing and benchmarking toolset designed to provide an implementation of a test system conforming to the IMS Performance Benchmark specification, ETSI TS 186 008. Please see the Introduction (intro.html) for more on