Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 27 23.06.2010
Response
TA resumes the connection and switches back from Command mode to data
mode.
CONNECT
If connection is not successfully resumed
NO CARRIER
else
TA returns to data mode from Command mode CONNECT <text> Note:
<text> only if parameter setting ATX>0
Execution
Command
ATO[n]
Parameter
<n> 0 switch from Command mode to data mode
Reference
V.25ter
Note
2.2.14 ATP Select Pulse Dialing
ATP Select Pulse Dialing
Response
OK
Execution
Command
ATP
Parameter
Reference
V.25ter
Note
No effect in GSM
2.2.15 ATQ Set Result Code Presentation Mode
ATQ Set Result Code Presentation Mode
Response
This parameter setting determines whether or not the TA transmits any result
code to the TE. Information text transmitted in response is not affected by
this setting.
If <n>=0:
OK
If <n>=1:
(none)
Execution
Command
ATQ<n>
Parameter
<n> 0 TA transmits result code
1 Result codes are suppressed and not transmitted
Reference
V.25ter
Note