A communication system and method for transmitting and receiving teletype
information in a vehicle (20). The communication system (22) includes an
external interface (24) and a communication control unit (26). The
external interface (24), embedded in the vehicle (20), is capable of
receiving a first set of teletype signals from a portable TTY terminal
(50) and capable of sending a second set of teletype signal to the
portable TTY terminal (50). The communication control unit (26), also
embedded in the vehicle (20), is connected to the external interface (24)
and comprises a controller (36) and a transceiver (34). The transceiver
(34) is capable of transmitting messages over a wireless communication
link (A) that contain information from the first set of teletype signals.
The transceiver (34) is also capable of receiving messages over the
wireless communication link (A) that contain information for the second
set of teletype signals.