FEATURES :-
Industry-standard session border control functionality for terminating SIP trunks Topology Hiding
Strong network security against potential SIP-based threats including denial-of-service (DoS) attacks, toll fraud and information theft...NAT Traversal
CLI Control
Overload Protection
Detect and drop malformed packets
Calling number translation
Least cost routing
Day & time based routing
Deep packet inspection
Session admission control
SIP transaction rate limiting (limits number of SIP Invites)
Simultaneous peering with multiple gatekeepers and gateways
Interoperability with other SIP-based and legacy network devices including SBCs, PBXs, IVRs through industry-standards support (e.g., SIPconnect) and SIP Message Manipulation