| 摘要 |
<p>PURPOSE:To attain the connection among various digital networks, telephone sets and facsimile equipments in a way applicable to general-purpose application. CONSTITUTION:A PB signal detection section 22 detects an analog pushbutton signal and a 1st packet frame generating circuit 21 generates a packet frame of the pushbutton signal. A 2nd packet frame generating section 21 generates a packet frame of a demodulated facsimile signal. A packet frame analysis section 21 analyzes a control code of the packet frame and a PB signal generator 23 generates an analog pushbutton signal and a packet frame transmission reception section 20 sends/receives a packet frame with respect to a network interface device 18.</p> |
