A radio communication apparatus capable of executing communication and
processing of audio data and image data by simplifying the system
structure where various apparatuses are connected via a terminal adapter
(TA), which conventionally used a large area and whose connection was
complicated. More specifically, the system structure comprises: an
interface unit (RS232C controller 219, driver 220, PIAFS controller 228,
I.460 processor 236) connected with a data terminal (PC) by radio or by
cable; radio communication unit (PHS engine unit 237) for realizing radio
communication with a wireless telephone unit; and transmission arrangement
(first port switch 229, second port switch 233, ISDN interface unit 225
and the like) for transmitting at least one of the data transmitted by the
data terminal (PC) or the audio data transmitted by the wireless telephone
unit, to the digital public communication line (ISDN).
