The A8619 Protocol Test System is high-performance and easy to use. It is a portable, fully integrated protocol test system that supports a wide variety of applications and physical interfaces. It is used to powerfully trace, decode, analyze, and validate ATM, CDMA, Frame Relay, GPRS, GSM, INAP, IP, ISDN, SS7, VoIP, UMTS, and V5-based signaling systems. Based on an open architecture and modular design, it is a future-safe and cost-effective solution for demanding requirements.