Patent ID: 8452890

Claim:
A method of routing a Transaction Capabilities Application Part (TCAP) message at a node for dividing a Signaling System No. 7 (SS7) signaling network into two or more subnets, comprising the steps of: receiving said TCAP message from one of said two or more subnets; extracting an originating point code (OPC), destination point code (DPC) and transaction identifier (TID) of said TCAP message; looking up and retrieving, from a plurality of structured data storages a corresponding OPC, a corresponding DPC and a corresponding TID at the node for the other one of said two or more subnets based, partially or combinedly, on said OPC, said DPC and said TID of said received TCAP message; replacing said OPC, said DPC, and said TID of said received TCAP message with said corresponding OPC, said corresponding DPC and said corresponding TID; and forwarding said TCAP message with said corresponding OPC, said corresponding DPC and said corresponding TID to the other one of said two or more subnets.