The invention in an illustrative embodiment provides binding and bridging between a mobile terminal and other more complex terminals in a communication system. The binding is based on a determination of the proximity of the mobile to the other terminal, such that the mobile registers to different complex...http://www.google.com.hk/patents/US6195545?utm_source=gb-gplus-share專利 US6195545 - Proximity-based registration in a communication system
