A routing node for translating and re-directing Signaling System 7 (SS7) messages associated with ported subscribers in a communications network is disclosed. Re-direction or re-routing of signaling message packets is accomplished without the need for explicit local number portability (LNP) type triggers...http://www.google.de/patents/US6639981?utm_source=gb-gplus-sharePatent US6639981 - Methods and systems for routing signaling messages associated with ported subscribers in a communications network
