Amongst other things, the availability of service providers is tracked across one or more service provider networks. A status change of the service provider is identified on one or more of the service provider networks and the other service provider networks associated with the service provider is sent...http://www.google.fr/patents/US7840418?utm_source=gb-gplus-shareBrevet US7840418 - Tracking the availability of service providers across multiple platforms
Tracking the availability of service providers across multiple platforms
