[S24b4-5]

ATMn (n=0-3, default: 1): [S21b1-2]

ATM0: Speaker always OFF

ATM1: Speaker ON until carrier is detected.

ATM2: Speaker always ON.

ATM3: Speaker ON after the last digit is dialed

AT&Kn (n=0-3, default: 1) [S27b0-1]

AT&K0 Disables data compression.

AT&K1 Automatic data compression (Default.)

AT&K2 Enables MNP 5 data compression.

AT&K3 Enables V.42 bit data compression.

AT&Ln (n=0-1, default: 0): Modem and POTS ports selection during call answering. [S84b5]

AT&L0: Sets priority to POTS port, Phone1

AT&L1: Sets priority to POTS port, Phone2 and internal modem.

AT&On (n=0-3, default: 2) Sets default call type for commands: ATDs, ATDPs, ATDTs. [S83b4-5]

AT&O0: To make fax/modem calls

AT&O1: Auto-selection of 64kbps and 3.1 kHz on outgoing calls

AT&O2: To make ISDN calls.

AT&O3: To make calls for POTS port, Phone 1

FAX commands: (FAX CLASS 1) +FCLASS=n Service class.

+FRH=n Receives data with HDLC framing. +FRM=n Receives data.

+FRS=n Receives silence.

+FTH=n Transmits data with HDLC framing. +FTM=n Transmits data.

+FTS=n Stops transmission and wait.

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