System and method of maintaining communications policy settings in a wireless network

摘要: The present invention provides a system and method of modifying policy settings in network having plurality subscriber devices. An embodiment includes base stations, each capable wirelessly transmitting across geographic region server. A cell-phone, roaming between regions, is operable to establish wireless link with the stations through contains communication determining from which other devices device can receive voice calls. updated, by server, based on requests Once request received device, determination whether update be record rejections respective caller requested blocked. Alternatively, updated according trust maintained server making request; represents procedure follow when that device.