VoIP - Enterasys package secures VOIP systems
Computerworld Australia - The Dragon Intrusion Detection/Prevention System offers signature and protocol behavioral analysis for H.323 and SIP protocols. The Enterasys NAC software assesses, authenticates and authorizes VOIP users and telephony devices before allowing them
Acme Packet Protects Vodafone Portugal’s IMS Network
Consumer Electronics Net - They satisfy critical security, service assurance and regulatory requirements in wireline, cable and wireless networks; and support multiple protocols–SIP, H.323, MGCP/NCS and H.248–and multiple border points–interconnect, access and data center

