A system and method for extending a user's communications services to an airplane seat telephone terminal proximate the user while the user is aboard an airplane is provided. The system includes a Subscriber Interface (SI) for providing a Subscriber Identity Record (SIR) including the user's flight data...http://www.google.fr/patents/US6954640?utm_source=gb-gplus-shareBrevet US6954640 - Global roaming services for telecommunications systems
Global roaming services for telecommunications systems
