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&Pn Pulse Dial Make/Break Ratio Setting. Enabled on a per
country basis. If enabled the dial make/break ratio is as
follows:
&P0 39%-61% dial ratio at 10 pulses per second.
&P1 33%-67% dial ratio at 10 pulses per second.
&P2 39%-61% dial ratio at 20 pulses per second.
&P3 33%-67% dial ratio at 20 pulses per second.
&Qn Asynchronous Mode Setting. (See S27 and S36.)
&Q0 Selects a direct connection.
&Q1 Reserved.
&Q2 Reserved.
&Q3 Reserved.
&Q4 Reserved.
&Q5 Selects a reliable connection. The value in S36 will
determine whether or not a failure to establish a
particular error correction link will result in the
modem hanging up or trying to make another type
of connection. (See also \N2, \N3, \N4, and \N5.)
&Q6 Selects normal connection. (Equivalent to \N0.)
&Rn Hardware Flow Control Setting. This command selects
how the modem controls its Clear to Send (CTS) signal if
hardware flow control is selected. (See S21.)
&R0 CTS always on.
&R1 CTS will drop only if required by flow control.
&Sn Data Set Ready (DSR) Signal Setting. (See S21.)
&S0 DSR always on.
&S1 DSR is active after an answer tone has been detected
and inactive after the carrier has been lost. Very few
communications packages require this setting.
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