Data Call
4-18  G24-L AT Commands Reference Manual April 15, 2008
Data Call
Switching Modes (Data Mode/Command Mode)
atd054565190  //Calling the remote modem
OK
aaaaaaaaaaaaa  //Receiving binary data from remote side (G24-L is in Data mode)
//Sending escape sequence +++ to G24-L (the remote side does not treat +++ as escape)
OK //G24-L is in Command mode 
ati3 //Issuing an AT command
Motorola Mobile Phone
OK
ato //Switching back to Binary mode
OK
fffffff //Receiving binary data from remote side
fghhgatfhgfhfhghhfhfhfhgfhffhgfgfhgfhgfhhh
//Sending escape sequence +++ to the G24-L
ath //Hang up the CSD call (return to Command mode)
OK
NO CARRIER