DE910-DUAL AT commands reference guide
80392ST10102A Rev.2 – 2012-07-03
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 61 of 261
S38 -Delay Before Forced Hang Up
ATS38=[<delay>]
Execution command has no effect and is included only for backward compatibility
with landline modems.
ATS38?
Read command returns the current value of
S38 parameter
.
Note: the format of the numbers in output is always 3 digits, left-filled with 0s
+ES – Error Control Selection
AT+ES[=
<orig_req>,<orig_fall
back>,<ans_fallback>
]
Set command sets the manner of operation of the V.42 protocol in the modem.
Parameters:
<orig_reg>
- Specifies the initial request mode of operation when originating a
call. ( Default value is 3 )
0 - Direct Mode
1 - Initiate call with Buffer mode only
2 - Initiate V.42 without Detection phase. If V.8 is in use, this is a request to
disable V.42 Detection Phase
3 - Initiate V.42 with Detection Phase
4 - Initiate Alternative Protocol
<orig_fallback>
- Specifies the acceptable fallback mode of operation when
originating a call. (Default : 0)
0 - Error Control Optional; if error control cannot be established, use Buffered
mode with flow control
1 - Errol Control Optional; if error control cannot be established, change data rate
to match line <carrier> rate and use Direct mode.
2 - Error Control Required; if error control cannot be established, disconnect.
3 - Error Control (LAPM) Required if LAPM cannot be established, disconnect.
4 - Error Control (Alternate (MNP)) Required if MNP cannot be established,
disconnect.
<ans_fallback>
- Specifies the acceptable fallback mode of operation when
answering a call. (Default : 2)
0 - Direct Mode
1 - Error Control Disabled, use Buffered mode
2 - Error Control Optional; if error control cannot be established, use Buffered
mode with flow control
3 - Errol Control Optional; if error control cannot be established, change data rate
to match line <carrier> rate and use Direct mode.
4 - Error Control Required; if error control cannot be established, disconnect.
5 - Error Control (LAPM) Required if LAPM cannot be established, disconnect.
6 - Error Control (Alternate (MNP)) Required if MNP cannot be established,
