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Multi-Tech Systems MTS2SA-T User Manual

Page 116

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Chapter 10

− Modem Mode AT Commands, S-Registers, and Result Codes

Multi-Tech Systems, Inc. MultiConnect Serial-to-Serial Adapter User Guide (S000354A)

116


Command:

+PMHT Modem-on-Hold

Timer

Description:

Controls whether or not the modem will grant or deny a modem-on-hold (MOH)
request as well as setting the MOH Timeout value.

Defined Values:

+PMHT0

Deny V.92 modem-on-hold Request (Default.)

+PMHT1

Grant MOH with 10-second timeout

+PMHT2

Grant MOH with 20-second timeout

+PMHT3

Grant MOH with 30-second timeout

+PMHT4

Grant MOH with 40-second timeout

+PMHT5

Grant MOH with 1 minute timeout

+PMHT6

Grant MOH with 2 minute timeout

+PMHT7

Grant MOH with 3 minute timeout

+PMHT8

Grant MOH with 4 minute timeout

+PMHT9

Grant MOH with 6 minute timeout

+PMHT10 Grant MOH with 8 minute timeout

+PMHT11 Grant MOH with 12 minute timeout

+PMHT12 Grant MOH with 16 minute timeout

+PMHT13 Grant MOH with indefinite timeout

Result Codes:

OK 0-13 in V.92 Mode (+MS=V92)

ERROR

Report Commands:

+PMHT?

Reports Current or Selected Values.

+PMHT=?

Reports Supported Range of Parameter Values.


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).

+PIG=?

Reports Supported Range of Parameter Values.



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.

+PQC=?

Reports Supported Range of Parameter Values.

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