Sierra Wireless MP 700 Series, Command Reference Manual

Page: 98 / 118

MP 700 Series GPS AT Command Reference
96 2130309
+CTMSET=
[<enableMOCtm>],
[<enableCtm>],
[<ctmInterface>],
[ctmBaudotRate>]
+CTMSET=?
+CTMSET?
Note: This command is
only available on the
AirCard 775 and a
customization is required
to enable it.
Enable / disable support for CTM / TTY
Enables and disables support for CTM (Cordless Terminal Mobility). When
enabled, the modem can be used with a TTY (TeleTYpe device). (The TTY is a
device used by the speech and hearing-impaired which connects to the headset
connector on the modem.)
Supported values
<enableMOCtm>:
Mobile originated CTM:
•
0
Disable
•
1
Enable
<enableCtm>:
Mobile terminated CTM:
•
0
Disable
•
1
Enable
<enableInterface>:
Character set (only Baudot is supported):
•
0
Baudot
<ctmBaudotRate>:
Modulation rate:
•
0
45.45 Hz
•
1
50 Hz
+CTMSET?
displays the current settings and
+CTMSET=?
displays supported
settings.
+DR=<n>
+DR?
V.42 bis compression reporting
Sets whether the V.42 bis compression status is returned (using the result code
+DR: <type>
) before going into the online data state, for either originated or
answered calls:
•
<n>=0
sets the modem not to report compression status.
•
<n>=1
reports compression status.
<type>
can be one of four values:
•
NONE
data compression is not in use
•
V42B
Rec. V42 bis is in use in both direction
•
V42B RD
Rec. V42 bis is in use in receive direction only
•
V42B TD
Rec. V42 bis is in use in transmit direction only
+DR?
returns the current setting for reporting.
Service type reporting can be enabled with the
+CR
command (page 90).
V.42 bis compression is controlled by
+DS
(page 97).
Table 3-9: Command Reference Table (ASCII Alphabetic)
Command Description