Motorola G24 用户手册
Call Control
4-14
AT Commands Reference Manual
December 31, 2007
Call Control
The following figure is a detailed view of the states the G24 goes through for Voice and CSD
Data, as shown in
Data, as shown in
. Note that between the time the OK is received and the actual
connection occurs, call state alerts are received.
Figure 4-10: Call States
Dialing Using ATD
atd+44 34 56 78;
// VOICE call; number includes international access code
OK
OK
atd17085763400;
//Second VOICE call
OK
OK
//Call to 44345678 is being put on hold
ath
//Hang up active call
NO CARRIER
OK
AT+CHLD=0
//Hang up held call
NO CARRIER
OK
atd+44 34 56 78
//DATA call
...
OK
//Move to online Data state
//ESC sequence back to the Command state. +++ is sent from the
terminal (+++ is not displayed)
ath
//Hang up data call
NO CARRIER
OK
//Data call terminated
AT+FCLASS=1
OK
atd+44 34 56 78
//FAX call
...
NO CARRIER
//Fax call was terminated by remote side
Idle
Dial
Connected
Alert
Released
Hold