Chapter 2 – AT Commands
<orig_fbk> Decimal number which specifies the acceptable fallback mode of operation
when the modem is operating as the originator.
0 LAPM, MNP, or Normal Mode error control optional. Defaul t
1 LAPM, MNP, or Direct Mode error control optional.
2 LAPM or MNP error control required; disconnect if error control is not
established.
3 LAPM error control required; disconnect if error control is not
established.
4 MNP error control required; disconnect if error control is not established.
<ans_fbk>
Decimal number which specifies the acceptable fallback mode of operation
when the modem is operating as the answerer.
0 Direct Mode.
1 Error control disabled, use Normal Mode.
2 LAPM, MNP, or Normal Mode error control optional. Default
3 LAPM, MNP, or Direct Mode error control optional.
4 LAPM or MNP error control required; disconnect if error control is not
established.
5 LAPM error control required; disconnect if error control is not
established.
6 MNP error control required; disconnect if error control is not established.
Report Commands:
+ES? Reports current or selected values.
+ES=? Reports supported range of parameter values.
Command:
Description:
+ESR Selective Reject
This extended-format numeric parameter controls the use of the selective reject (SREJ)
option in V.42.
Syntax: +ESR=[<value>]
Decimal number 0 specifying that SREJ is not used.
Report Commands:
+ESR? Reports current or selected values.
+ESR=? Reports supported range of parameter values.
Command:  +ETBM    Call Termination Buffer Management
Description:
Values:
Report Commands:
This extended-format compound parameter controls the handling of data remaining in
modem buffers upon call termination. It accepts three numeric subparameters:
Syntax: +ETBM=[<pending_TD>[,<pending_RD>[,<timer>]]]
<pending_TD> Decimal number 0 specifying that disconnect will occur immediately and all
buffered transmit data will be discarded when the local DTE requests call disconnection.
<pending_RD> Decimal number 0 specifying that disconnect will occur immediately and
all buffered receive data will be discarded when the local DTE requests call disconnection.
<timer> Decimal number 0 specifying that the modem will not attempt to deliver the
buffered data before abandoning the attempt and discarding remaining data.
+ETBM? Reports current or selected values.
+ETBM=? Reports supported range of parameter values.
Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F)
22
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MT5692SMI-IP-92 V.92 SERIAL DATA ONLY
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