Specifications

AT command set for S45 Siemens mobile phones and modems
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Siemens Document No.: A30880-A10-A001-3-D376
Revision: 1.8
Revision Date: 30. November, 2001
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2.8.3 The GPRS dial command ATD
As an alternative to using the GPRS-AT commands it is possible to connect to a GPRS network by using the dial
command "atD".
There are two GPRS Service Codes for the ATD command. Values 98 and 99.
e. g.:
ATD*99#
CONNECT // establish a connection via service code 99
ATD*99*123.124.125.126*PPP*1#
CONNECT // establish a connection via service code 99, IP address 123…
//and L2P = PPP and using CID 1.
// The CID has to be defined by means of AT+CGDCONT
ATD*99**PPP#
CONNECT // establish a connection via service code 99 and L2P = PPP
ATD*99***1#
CONNECT // establish a connection via service code 99 and using CID 1
ATD*99*PPP*1#
CONNECT // establish a connection via service code 99 and L2P = PPP and
// using CID 1. The CID has to be defined by means of AT+CGDCONT
ATD*98#
CONNECT // establish an IP connection via service code 98
ATD*98*1#
CONNECT // establish an IP connection via service code 98 using CID 1
// The CID has to be defined by means of AT+CGDCONT
3 Errors and Messages
This section provides information on the final result code of a command execution (+CMS ERROR: <err>) and
indicates an error related to mobile equipment or network.