A network device is disclosed. The network device comprises a port to allow reception of a TCAP query. A processor translates the TCAP query into a dial access request and a port allows transmission of the dial access request and to receive a call disposition message....http://www.google.de/patents/US7372849?utm_source=gb-gplus-sharePatent US7372849 - Port policy management for calls in a centralized call control packet network
