
AT Command Support (WCDMA)
80-VG756-1 G 9 Qualcomm Confidential and Proprietary
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
2.2 DTE-TA/DCE interface commands 1
For Gobi, support the DTE-TA/DCE interface commands as indicated in Table 2-2. 2
Table 2-2 ITU-T V.25ter DTE-DCE interface command 3
Command Description
3GPP
TS 27.007
requirement
Explanation
Supported
targets
Applicable
mode
S3
Command line
termination character;
values per specifications
Mandatory All
WCDMA
and GSM
S4
Response formatting
character; values per
specifications
Mandatory All
WCDMA
and GSM
S5
Command line editing
character; values per
specifications
Mandatory All
WCDMA
and GSM
E<value>
Command echo; values
per specifications
Mandatory All
WCDMA
and GSM
Q<value>
Result code
suppression; values per
specifications
Mandatory All
WCDMA
and GSM
V<value>
DCE response format;
values per specifications
Mandatory All
WCDMA
and GSM
X<value>
Result code selection
and call progress
monitoring control;
values per specifications
Mandatory
Currently, data
rates display
supported only for
CS data
All
WCDMA
and GSM
&C<value>
Circuit 109 DCE RLSD
(DCD) behavior; values
per specifications
Mandatory
&C2 is a
Qualcomm
implementation
All
WCDMA
and GSM
&D<value>
Circuit 108 DTE DTR
behavior; values per
specifications
Mandatory All
WCDMA
and GSM
+IPR=
<rate>
Fixed DTE rate; this
numeric extended-
format parameter
specifies the data rate at
which the DCE will
accept commands; auto
baud rate detection is
not supported
<rate> – 300, 600, 1200,
2400, 4800, 9600,
19200, 38400, 57600,
115200, 230400
Optional
Default DTE rate
fixed at
115200 bps;
default DTE rate
can be changed
by $QCTER
command
All
WCDMA
and GSM
Released - Internal Use Only
Released - Internal Use Only
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