Automatic location identification (ALI) service requests steering, connection sharing and protocol translation

摘要

An ALI/ESME steering gateway bridges the nationwide ALI/ESME network notes (or PSAPs) with the GMLC/MPCs of various different XPC networks. The steering gateway provides a unified interface between the PSAP/ALI network and positioning centers (GMLC/MPC/VPCs). Using the steering gateway, an E911 service provider accesses positioning centers (GMLC/MPC/VPC) of any XPC network. This access by the ALI to the positioning center is accomplished with any type of interface, irregardless of the protocol type. The connectivity of each virtual communication path between ALIs and PSAPs is managed. The ALI/ESME steering gateway also provides translation of the protocols between the two ALI-MPC interface sets (inbound and outbound). The ALI/ESME steering gateway also consolidates (or “de-duplicates”) any/all duplicated requests from a same ALI or PSAP for the same emergency call so that only one request is then sent to the destined positioning center within the relevant network.

主权项

1. An automatic location identification (ALI) steering gateway, comprising:
a plurality of interface protocol agents for communicating with respective ones of a plurality of ALI systems each having a different one of a plurality of different Internet Protocol (IP) communication protocols for communicating with a respective one of a plurality of mobile positioning centers; an inbound ALI interface for connecting each of said plurality of interface protocol agents to said respective one of said plurality of ALI systems; and an outbound ALI interface for connecting each of said plurality of interface protocol agents to said plurality of mobile positioning centers.