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MultiModemZPX User Guide
Command: +PCW= n Call Waiting Enable
Values:
Default:
Description:
4 AT Commands, S-Registers, and Result Codes
automode An optional numeric value that enables or disables automatic
modulation negotiation using V.8 bis/V.8 or V.32 bis Annex A.
Automode is disabled if values are specified for the max_rate
and max_rx_rate parameters. The options are:
0 Disable automode
1 Enable automode (default)
max_rate An optional number that specifies the highest rate at which the
modem may establish an upstream (transmit) connection. The
value is decimal coded in units of bps, for example, 33600
specifies the highest rate to be 33600 bps.
0 Maximum rate determined by the modulation selected in mod
(default).
300–33600 Maximum rate value limited by the modulation selected in
mod. For valid max_rate values for each mod value, see the
following table.
max_rx_rate An optional number that specifies the highest rate at which the
modem may establish a downstream (receive) connection. The
value is decimal coded in units of bps, e.g., 28800 specifies the
highest rate to be 28800 bps.
0 Maximum rate determined by the modulation selected in mod
(default).
300–56000 Maximum rate value limited by the modulation selected in mod.
See "Possible rates" in the mod table.
n = 0, 1, or 2
0
Controls the action to be taken upon detection of a call waiting
tone in V.92 mode. Values specified by this command are not
modified when an AT&F command is issued.
+PCW=0 Toggles V.24 Circuit 125 and collects Caller ID if enabled by
+VCID
+PCW=1 Hangs up
+PCW=2 Ignores V.92 call waiting
+PCW=? Displays the allowed values
+PCW?
Displays the currrent value
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