Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 21 12/24/2010
OK
Parameters
<n> Integer type memory location should be in the range of
locations available in the memory used
<mgsm> String of GSM modifiers:
<clir>
I Override the CLIR supplementary service subscription
default value for this call
Invocation (restrict CLI presentation)
i Override the CLIR supplementary service subscription
default value for this call
Suppression (allow CLI presentation)
<cug>
G Control the CUG supplementary service information
for this call
CUG Not supported
g Control the CUG supplementary service information
for this call
CUG Not supported
<;> Only required to set up voice call , return to Command state
Reference
V.25ter
Note
z Parameter "I" and "i" only if no *# code is within the dial string
z *# codes sent with ATD are treated as voice calls. Therefore, the
Command must be terminated with a semicolon ";"
z See ATX Command for setting result code and call monitoring
parameters.
2.2.5 ATD><str> Originate Call to Phone Number in Memory Which Corresponds to Field
<str>
ATD><str> Originate Call to Phone Number in Memory Which Corresponds to Field
<str>
Execution
Command
ATD><str>[<clir
>][<cug>][;]
Response
This Command make the TA attempts to set up an outgoing call to stored
number.
All available memories are searched for the entry <str>.
Note: This Command may be aborted generally by receiving an ATH
Command or a character during execution. The aborting is not possible
during some states of connection establishment such as handshaking.
If error is related to ME functionality
+CME ERROR: <err>
If no dial tone and (parameter setting ATX2 or ATX4)