Techniques for VoIP provider interconnection over the internet using a shared subscriber contact identifier translation service

摘要

VoIP provider interconnection over the Internet using a shared subscriber contact identifier translation service. In one embodiment, for example, a method comprises: receiving a query message from a communications endpoint devices of a calling party, the query message comprising a subscriber contact identifier of a called party; in response to obtaining the query message: identifying a plurality of communications endpoint identifiers associated with the subscriber contact identifier; obtaining reachability information for the plurality of communications endpoint identifiers; and based at least in part on the reachability information, selecting one of the plurality of communications endpoint identifiers; and responding to the query message with a response comprising the selected one of the communications endpoint identifiers. The method then further comprises using the selected communications endpoint identifier to establish a VoIP call between a communications endpoint device of a calling party and a communications endpoint device of a called party.

主权项

1. A method comprising:
receiving a query message comprising a subscriber contact identifier; in response to obtaining the query message:
identifying a plurality of communications endpoint identifiers associated with the subscriber contact identifier;obtaining reachability information for the plurality of communications endpoint identifiers;wherein the reachability information for at least one of the plurality of communications endpoint identifiers comprises subscriber presence information for the communications endpoint identifier, the subscriber presence information indicating current availability of a subscriber associated with the communications endpoint identifier;based at least in part on the subscriber presence information for the communications endpoint identifier, selecting the communications endpoint identifier as an answer to the query message; andresponding to the query message with a response comprising the selected communications endpoint identifier.