Method and apparatus by which a home network can detect and counteract visited network inbound network traffic redirection

The present invention provides methods, systems and apparati by which a home common carrier telecommunications network (such as an HPMN) or other concerned parties can detect and defeat technological measures employed by a visited common carrier telecommunications network (such as a VPMN) to direct telecommunications traffic by subscribers to that home network towards that visited network while roaming within the coverage area of that visited network.