Chapter 5 – AT Commands, S-Registers, and Result Codes

FastConnect Commands

Command: $F

FastConnect Control

Description:

Allows configuring of the client modem to connect to a central site modem

 

that supports non-standard V.22 and V.22 bis FastConnect protocols.

 

Specifies the initial requested mode of operation when the modem is

 

operating as the originator. The options are:

Defined Values:

$F0

Normal connection (Default)

 

$F1

FastConnect without answer tone

 

$F2

Reserved

 

$F3

FastConnect with answer tone

V.92 +P and –Q Commands

This section describes the +P (PCM DCE) and –Q commands and parameters used to control the V.92 Mode operation.

Command: +PCW

Call Waiting Enable

Description:

Controls the operation of the modem in the presence of call waiting.

Defined Values:

+PCW0

Request modem-on-hold if enabled by +PMH and collect caller

 

 

ID information if enabled by +VRID. Toggle V.24 circuit 125.

 

 

(Default.)

 

+PCW1

Hang-up.

 

+PCW2

Ignore call waiting.

Result Codes:

OK

 

 

ERROR

 

Report Commands:

+PCW?

Reports Selected Value(s).

 

 

Response: +PCW: <value>

 

 

Example: +PCW: 0 For the default setting.

 

+PCW=?

Reports Supported Range of Parameter Values

 

 

Response: +PCW: (<value> range)

 

 

Example: +PCW: (0,1,2)

Command: +PMH

Modem-on-Hold Enable

Description:

Controls the selection of modem-on-hold in the modem. The action of the

 

modem in response to modem-on-hold events 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:

+PMH0

Modem-on-hold enabled in V.92 Mode. (Default.)

 

+PMH1

Disabled modem-on-hold.

Result Codes:

OK 0 or 1 in V.92 Mode (see the +MS command)

 

ERROR

 

Report Commands:

+PMH?

Reports Current or Selected Value.

 

 

Response: +PMH: <current value>

 

 

Example: +PMH: 0 For the default setting.

 

+PMH=?

Reports Supported Range of Parameter Values.

 

 

Response: +PMH: (<value> range)

 

 

Example: +PMH: (0,1)

Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide

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Multi-Tech Systems MT5600SMI-L92, MT5600SMI-92 FastConnect Commands, 92 +P and -Q Commands, Command $F FastConnect Control