A handset capability proxy server (1) automatically determines data concerning capabilities of mobile devices and links to users as the devices are used. Event handlers/filters (25, 26) listen to signalling and messaging traffic at different locations in a network. The filter (25, 26) filters out data...http://www.google.cl/patents/US8099490?utm_source=gb-gplus-sharePatent US8099490 - Server for determining and storing mobile device capability data
