2 phone number dialing (data call), At+cbst=<mod>,0,<ce><cr, 1 dial a given phone number – Rainbow Electronics GM862-QUAD-PY User Manual
Page 28: Atd <phonenumber><cr

GM862-QUAD / PY Software User Guide
1vv0300747 Rev. 3 - 10/07/07
Reproduction forbidden w ithout Telit Communications S.p.A. w ritten authorization - All Rights Reserved
page 28 of 96
AT+CBST==2, 0, 0
V.22
1200
transparent
AT+CBST==3, 0, 0
V.23
1200/75
transparent
AT+CBST==4, 0, 0
V.22Bis
2400
transparent
AT+CBST==6, 0, 0
V.32
4800
transparent
AT+CBST==7, 0, 0
V.32
9600
transparent
AT+CBST==65, 0, 0
V.110
300
transparent
AT+CBST==66, 0, 0
V.110
1200
transparent
AT+CBST==68, 0, 0
V.110 / X.31
2400
transparent
AT+CBST==70, 0, 0
V.110 / X.31
4800
transparent
AT+CBST==71, 0, 0
V.110 / X.31
9600
transparent
Once selected the appropriate <mod > and <ce> parameters from the table:
•
Send command
AT+CBST=<mod>,0,<ce><cr>
•
wait for
OK
response
2.7.2 Phone number dialing (data call)
2.7.2.1 Dial a given phone number
•
Send command
ATD <PhoneNumber><cr>
where:
<PhoneNumber> is the phone number to be dialed
•
wait for response:
Response
Reason
Action
CONNECT 9600
The called modem is now on
line.
exchange data
BUSY
The line called is busy
retry later
NO ANSWER
The receiver did not answer the
call
retry later
NO CARRIER
The modem handshaking has
not been successful
check for mobile registration
and signal strength and
eventually retry.
TIP: The response to the ATD command is returned after the modem handshaking, this takes
about 30 seconds, so allow this time before doing anything.
TIP: When the device is doing the handshake the issue of any character closes the handshake
and aborts the call.
For example:
1- Let's assume you have to call the national number 040 - 4192111,