Patent ID: 6907031
Filing Date: 2005-06-14
Classification: H04L,H04Q

Abstract:
1. A method for routing a call from a calling a party to a called party in accordance with a network preference of the calling party while accounting for a network capability of the called party, comprising the steps of: receiving in a first network preferred by the calling party a call attempt to reach the called party; querying a database, containing records of called parties, each specifying a network capability of corresponding called party, to ascertain whether said called party has the capability of receiving the call through the preferred network, and if so; routing the call over the preferred network, otherwise; ascertaining whether a gateway exists between the preferred network and an alternate network over which the called party has the capability of receiving the call, and if so, routing the call through the gateway, otherwise; sending a redirect message to the calling party to redirect the call entirely over the alternate network; wherein the call is routed entirely over the alternate network if no response is received from the database within a prescribed interval.