Windows Marketplace V.90 - Manual (Page 45)

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before disconnecting when no data is sent or received. A setting of zero disables
the timer. Alternatively, this timer may be specified in register S30. This function
is only applicable to buffer mode.
Result Codes:
OK n = 0 − 255
ERROR Otherwise
\Vn Protocol Result Code
\V0: Disable protocol result code
\V1: Enable protocol result code
\V2: Enable protocol result code
Result Codes:
OK n = 0, 1, 2
ERROR Otherwise
\Xn XON/XOFF Pass Through
\X0 Modem processes XON/XOFF flow control characters locally (DEFAULT).
\X1 Modem processes and pass XON/XOFF flow control characters.
Result Codes:
OK n = 0, 1
ERROR Otherwise
-Cn Data Calling Tone
Data Calling Tone is a tone of certain frequency and cadence as specified in V.25
which allows remote Data/FAX/Voice discrimination. The frequency is 1300 Hz
with a cadence of .5 s on and 2 s off.
-CO: Disabled (default).
-C1: Enabled.
Result Codes:
OK n = 0, 1
ERROR Otherwise