Specifications

33
Chapter 4 - AT Commands, S-Registers and Result Codes
Command: >DT n DTMF Detection
Values: n = 0 or 1
Default: 0
Description: >DT0 The modem will not detect DTMF tones.
>DT1 The modem will detect and report DTMF tones
when it is off-hook.
Command: E n Echo Command Mode Characters
Values: n = 0 or 1
Default: 1
Description: E0 Do not echo keyboard input to the terminal.
E1 Do echo keyboard input to the terminal.
Command: &E n V.42 Error Correction Modes
Values: n = 0, 1, or 2
Default: 1
Description: &E0 V.42 non-error correction mode (V.42 disabled).
&E1 V.42 auto-reliable mode.
&E2 V.42 reliable mode (V.42 enabled).
Command: &E n Modem-Initiated Flow Control
Values: n = 3, 4, or 5
Defaults: 4
Description: &E3 Flow control disabled.
&E4 CTS/RTS hardware flow control.
&E5 XON/XOFF software flow control.
Command: &E n XON/XOFF Pass-Through
Values: n = 6 or 7
Defaults: 6
Description: &E6 Respond to and discard XON/XOFF characters
when &E5 is selected.
&E7 Respond to and pass through XON/XOFF
characters when &E5 is selected.