5.2
DE FACTO............................................................................................................... 14
5.3
GSM 07.07............................................................................................................... 14
6.
CALL CONTROL COMMANDS...................................................................................... 17
6.1
V.25TER .................................................................................................................. 17
6.1.1 D DIAL.................................................................................................................. 17
6.1.5 H HOOK CONTROL............................................................................................. 20
6.2
DE FACTO............................................................................................................... 23