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X1
Report basic call progress result codes and connection speeds i.e. OK, CONNECT,
RING, NO CARRIER (also, for busy, if enabled, and dial tone not detected), NO
ANSWER, CONNECT XXXX and ERROR.
X2
Report basic call progress result codes and connection speeds i.e. OK, CONNECT,
RING, NO CARRIER (also, for busy, if enabled, and dial tone not detected), NO
ANSWER, CONNECT XXXX and ERROR.
X3
Report basic call progress report codes and connection speeds i.e. OK, CONNECT,
RING, NO CARRIER, NO ANSWER, CONNECT XXXX, BUSY, and ERROR.
X4
Report all call progress codes and connection speeds i.e. OK, CONNECT, RING, NO
CARRIER, NO ANSWER, CONNECT XXXX, NO DIAL TONE and ERROR.
Y0
Disable long space disconnect before on-hook
Y1
Enable long space disconnect before on-hook
Z0
Restore stored profile 0 after warm reset
Z1
Restore stored profile 1 after warm reset
&C0
Force RLSD active regardless of the carrier state
&C1
Allow RLSD to follow the carrier state
Interpret DTR on " off transition per &Qn setting:
&D0
&Q0, &Q5, &Q6
&Q1, &Q4
&Q2, &Q3
Interpret DTR on " off transition per &Qn setting:
&D1
&Q0, &Q1, &Q4, &Q5, &Q6 Asynchronous escape
&Q2, &Q3
Interpret DTR on " off transition per &Qn setting:
&D2
&Q0 through &Q6
Interpret DTR on " off transition per &Qn setting:
&D3
&Q0, &Q1, &Q4, &Q5, &Q6 the modem performs soft reset
&Q2, &q3
&F0
Restore factory configuration 0
&F1
Restore factory configuration 1
&G0
Disable guard tone
&G1
Disable guard tone
&G2
Enable 1800Hz guard tone
&J0
Set S-register response only for compatibility
&J1
Set S-register response only for compatibility
&K0
Disable DTE/DCE flow control
&K3
Enable RTS/CTS, DTE/DCE flow control
&K4
Enable XON/XOFF DTE/DCE flow control
&K5
Enable transparent XON/XOFF flow control
&K6
Enable both RTS/CTS and XON/XOFF flow control
&L0
Not Used
&M0
Select direct asynchronous mode
&M1
Select synchronous connect with asynchronous off line command mode*
&M2
Select synchronous connect with asynchronous off line command mode and enable
DTR dialling of directory zero*
&M3
Select synchronous connect with asynchronous off line command mode and enable
DTR to act as Talk/Data switch
&P0
Set 10pps pulse dial with 39/61 make/break ratio
&P1
Set 10pps pulse dial with 33/67 make/break ratio
&P2
Set 20pps pulse dial with 39/61 make/break ratio
&P3
Set 20pps pulse dial with 33/67 make/break ratio
&Q0
Select direct asynchronous mode
&Q1
Select synchronous connect with asynchronous off-line command mode*
&Q2
Select synchronous connect with asynchronous off-line command mode and enable
DTR dialling of directory zero*
&Q3
Select synchronous connect with asynchronous off-line command mode and enable
PTR to act as Talk/Data switch*
&Q4
Select Hayes Auto Sync mode
&Q5
Modem negotiates an error corrected link
&Q6
Select asynchronous operation in normal mode
&R0
CTS tracks RTS (asynchronous) or acts per V.25 (synchronous)
&R1
CTS is always active
the modem ignores DTR
the modem hangs up
the modem hangs up
the modem hangs up
the modem hangs up
the modem hangs up
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