US Robotics 56K USB Modem User Manual page 57

+PCW=<call_waiting>—Call Waiting Enable
Use this command to select how the modem responds to a call waiting signal. The controller-based
response is also dependent on the current setting of the caller ID command, +VCID (+VCID=<pmode>—
Caller-ID on page 77).
• OK if <call_waiting> = 0—2.
ERROR if <call_waiting> ≠ 0—2.
•
Table 112. Valid <call_waiting> Values
Value
0 Enables the call waiting detector. When a call waiting signal is detected, toggle
V.24 circuit 125 and collect caller ID as set by +VCID.
1 Enables the call waiting detector. When a call waiting signal is detected, hang up
the current call.
2 Disables call waiting detector (default).
Table 113. +PCW Extended Syntax Commands
Command
+PCW=<call_waiting> Enables or disables call waiting.
+PCW?
+PCW=?
+PIG=<value>—PCM Upstream Ignore
Use this command to enable or disable PCM upstream in a V.92 connection.
Result codes:
• OK if <value> = 0, 1.
ERROR if <value> ≠ 0, 1.
•
Table 114. Valid +PIG Commands
Command
+PIG=0 Enables PCM upstream.
+PIG=1 Disables PCM upstream (default).
Table 115. +PIG Extended Syntax Commands
Value
+PIG= <value>
+PIG?
+PIG=?
+PMH=<value>—Modem On Hold Enable
Use this command to enable or disable modem on hold. Note that the +PMH command does not affect the
parameters of the +PMHT (+PMHT=<value>—Modem On-Hold Timer on page 53) command. The +PMH
command only enables or disables modem on hold. The +PMHT command configures the modem to deny
a modem on hold request or grant a modem on hold request with the selected hold time.
Displays the current call waiting configuration.
Displays the supported <call_waiting> parameter values.
Meaning
Enables or disables PCM upstream.
Displays the current state of the +PIG command.
Displays the supported +PIG parameter values.
Meaning
Meaning
Meaning
56K USB Modem
User Guide
Command Reference - 51