9-9
[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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