Patent ID: 7840712

Claim:
A system for a network signaling bypass around a cryptographic device, said system communicatively coupled between an ingress end user node and an egress end user node, said system comprising: a bypass/cryptographic device comprising an interface configured for receiving a plurality of packets each having a transport layer protocol header from said ingress end user node, and communicating at least said packets that are of a non-General Internet Signaling Transport (GIST) type to a non-GIST bypass circuit and at least said packets that are of a GIST type to a GIST bypass circuit; wherein said non-GIST bypass circuit is configured for selectively bypassing at least a first packet around said cryptographic device to an output device if said first packet comprises signaling protocol data for a network over which said first packet is communicated; and wherein said GIST bypass circuit is configured for determining a type of transport layer protocol used to transport at least a second packet, parsing a signaling transport protocol identifier for a signaling transport protocol from said second packet based on said type of said transport layer protocol, determining whether said signaling transport protocol identifier is a Next Step In Signaling (NSIS) Transport Level Protocol (NTLP) or an NSIS signaling transport protocol identifier, and bypassing said second packet around said cryptographic device to said output device if said signaling transport protocol identifier is determined to be an NTLP or an NSIS signaling transport protocol identifier.