Specifications

AT command set for XX Siemens mobile phones and modems
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Document No.: A30880-A10-A001-XX-
D376
Revision: Master R75
Revision Date: 29. September.2004
13
AT+CGATT
AT+CGCMOD
AT+CHLD
AT+CMGC
AT+CMGD
AT+CMGL
AT+CMGR
AT+CMGS
AT+CMGW
AT+CMSS
AT+COPS
AT+CPBR
AT+CPBS
AT+CPBW
AT+VTS
ATA
ATD
2.2.3 Generic TA control commands according to ITU-T V.250
The generic TA control commands (“Hayes standard commands”) correspond to the commands of AT Hayes
compatible modems.
All commands in Table 2-7 expect a numeric argument; if this argument is omitted, the default of 0 is assumed.
Command Function
AT... Prefix for all commands
ATA
Accept call (V.250, according to [16])
ATB[n]
This modem command is used to set the bearer service for data connections
(cf. AT+CBST).
can take one of the following values:
<n>
7
2400bps, asynchronous, V.22bis
11
4800bps, asynchronous, V.32
13
9600bps, asynchronous, 32
15
14400bps, asynchronous, V.34
25
2400bps, asynchronous, V.110 ISDN
27
4800bps, asynchronous, V.110 ISDN
29
9600bps, asynchronous, V.110 ISDN
31
14400bps, asynchronous, V.110 ISDN
ATD <dial_string>[;] Dial command.
For more detailed information see the ATD command section on page 16
ATE0 Deactivate command echo
ATE1 Activate command echo
ATH[0] Release existing connection
ATI[n] Modem command according to [16]:
Display product code:
0 042
1 042
2
OK, (check firmware checksum)
8
Display supported operation modes (see ATB)
9 identification of modem and mobile phone
ATL[n]
Monitor speaker loudness (modem command according to [16])
ATM[n]
Monitor speaker mode (modem command according to [16])
ATO[n]
Switch back to transparent mode after +++ interruption
(modem command according to [16])
ATQ0 Display acknowledgments (responses or messages)