Chapter 5 – AT Commands, S-Registers, and Result Codes
Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide
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Command:
+PIG
PCM Upstream Ignore
Description:
Controls the selection of PCM upstream in the modem. The actual state of
PCM upstream is determined by the state of this command as well as the
state of a negotiated handshake with a V.92-compliant server in V.92
Mode.
Defined Values:
+PIG0
Enable PCM upstream negotiation.
+PIG1
Disable PCM upstream negotiation. (Default.)
Result Codes:
OK 0 or 1 in V.92 Mode (+MS=V.92)
ERROR
Report Commands:
+PIG?
Reports Selected Value(s).
Response: +PIG: <value>
Example: +PIG: 1 For the default setting.
+PIG=?
Reports Supported Range of Parameter Values.
Response: +PIG: (<value> range)
Example: +PCW: (0,1)
Command:
+PMHF
V.92 Modem-on-Hold Hook Flash
Description:
Causes the modem to initiate the flash hook sequence when in the
modem-on- hold procedure. This enables switching to the second call
(incoming or outgoing).
This command applies only to V.92 modem-on-hold. There are no
parameters associated with this command.
Result Code:
OK
When the modem completes the flash hook sequence.
ERROR
If this command is initiated and the modem is not on hold.
Command:
+PQC
V.92 Phase 1 and Phase 2 Control
Description:
Controls the global enabling or disabling of the V.92 shortened Phase 1
and Phase 2 startup procedures. This command is used in conjunction with
the +PSS command.
Defined Values:
+PQC0
Enable Short Phase 1 and Short Phase 2. (Default.)
+PQC1
Enable Short Phase 1 only.
+PQC2 Not
supported.
+PQC3
Disable Short Phase 1 and Short Phase 2.
Result Codes:
OK 0, 1, or 3 in V.92 Mode (+MS=V.92)
ERROR
Report Commands:
+PQC?
Reports Selected Values.
Response: +PQC: <value>
Example: +PQC: 0
+PQC=?
Reports Supported Range of Parameter Values.
Response: +PQC: (<value> range)
Example: +PQC: (0,1,3)
