An on-board aircraft telecommunication exchange (32) provides communication and authentication services for M subscriber identity modules (SIMs) using N transceivers (36), where M can be greater than N. Associations between SIMs (56) and transceivers (36) are established when needed. Accordingly, a pool...http://www.google.fr/patents/US6052604?utm_source=gb-gplus-shareBrevet US6052604 - Exchange which controls M SIMs and N transceivers and method therefor
Exchange which controls M SIMs and N transceivers and method therefor
