001-0003-829 Revision 1
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ATD
Request GPRS or GPRS IP service:
This command causes the MT to perform whatever actions are necessary to
establish a communication between the TE and the external PDN.
Request GPRS service:
ATD*99**<L2P>*<cid>#
L2P:
blank – non PPP
“PPP“ - layer 2 protocol PPP
“1“ - layer 2 protocol PPP
cid:
1 – typically, set by AT+CGDCONT command.
Request GPRS IP service:
ATD*98*<cid>#
cid:
1 – typically, CID defined by AT+CGDCONT command.
ATH
Manual rejection of a network request for PDP context activation:
The command may be used to deactivate all PDP contexts which are active or
online on the same interface.
ATS0
Automatic response to a network request for PDP context activation:
The Automatic answer command may be used to turn off (n=0) and on (n>0)
the automatic response to a network request for a PDP context activation.
=000 Disables automatic answer mode.
=001-255 Enables automatic answering after specified number of rings.
Short Message Service (SMS) Commands
The AT Commands described in this section allow an external application to use the Short Message
Service with the modem.
A brief description of the GPRS commands are provided in Table 9.12. For futher information, refer
to the Siemens TC65/MC75 AT Command Set document available from Siemens.
Table 9.12: SMS Command Reference
Command Description
AT+CMGC
Send an SMS command
AT+CMGD Delete
SMS
message
AT+CMGF
Select SMS message format
AT+CMGL
List SMS messages from preferred store
AT+CMGR Read
SMS
messages
AT+CMGS Send
SMS
message
AT+CMGW
Write SMS messages to memory
AT+CMSS
Send SMS messages from storage
AT+CNMA
New SMS message acknowledge to ME/TE, only phase 2+
AT+CNMI
New SMS message indications
AT+CPMS
Preferred SMS message storage
AT+CSCA
SMS service centre address
AT+CSCB
Select Cell Broadcast Message Indication
AT+CSDH
Show SMS text mode parameters
AT+CSMP
Set SMS text mode parameters
AT+CSMS
Select Message Service
AT^SCML
List Concatenated SMS messages from preferred store
