Bis Call Setup And Disconnect; Figure 3-6: X.21 Nondialed Incoming Call - PictureTel Concorde 4500 Servicing Manual

V.25 bis Call
Setup and
Disconnect

Figure 3-6: X.21 Nondialed Incoming Call

This section describes the call setup and disconnect processes used
when the Concorde¥4500 has a V.25 bis network interface.
V.25 bis Call Setup and Disconnect
Receive
data
Ready
Data
transmit
Ready
Send
data
3-21