6.1 S REGISTERS.......................................................................................................... 39
6.3 V.25TER ................................................................................................................... 40
6.3.4 E COMMAND ECHO ......................................................................................... 40
CONTROL ................................................................................................................... 41
6.4 DE FACTO................................................................................................................ 44
7.
GENERIC COMMANDS .............................................................................................. 45
7.1 V.25TER ................................................................................................................... 45
7.2 DE FACTO................................................................................................................ 47