The Hammer FX functional test system is the perfect tool for performing call generation with complex feature testing, voice quality analysis, and fax testing. Amongst other protocols, it supports SIP for signaling-only applications as well as applications that require RTP media with various compression algorithms.

Hammer FX is designed for equipment developers and manufacturers, installers, troubleshooters, and network operators (enterprises and service providers). http://www.empirix.com/default.asp?action=article&ID=65.