A communication system having multiple devices each corresponding to a respective communication system is mounted on a moving vehicle. One or more devices that are usable at a present vehicle position and that are available at a communication receiving end are automatically identified by a controller...http://www.google.fr/patents/US6493557?utm_source=gb-gplus-shareBrevet US6493557 - On-board communication system having multiple communication devices
On-board communication system having multiple communication devices
