The invention features systems and methods for detecting and mitigating network attacks in
a Voice-Over-IP (VoIP) net work. A server is configured to receive information related to a …

(57) ABSTRACT A method may include receiving a session control protocol request
message and fingerprinting the received session con trol protocol message. The method …

(57) ABSTRACT A system and method are disclosed herein for providing mitigation of fraud
in a hosted messaging service while hav ing minimal impact on authorized messaging …

(57) ABSTRACT A system and method are disclosed herein for providing mitigation of VoIP
PBX fraud while having minimal impact on authorized VoIP PBX users. The method includes …

A SIP firewall defends an IMS network against SIP registra tion-based DoS/DDoS attacks by
issuing fake authentication challenges when Suspiciously high registration traffic is present …

Techniques for responding to intrusions on a packet switched network include receiving
user data at a subscriber-aware gateway server between a network access server and a …

Methods and apparatus to process call packets collected in a communications network are
disclosed. An example method includes, responsive to a query about a voice call …

The invention features systems and methods for detecting and mitigating network attacks in
a Voice-Over-IP (VoIP) network. A server is configured to receive information related to a …

A method for minimizing application initialization delay comprising sending, from a
privileged application executing on a mobile device, a registration message to a server …

A method of control, by a piece of management equipment of a first telecommunication
domain, of the authenticity of at least one relationship datum relating to the initiator of a …