Specifications

Chapter 2 - AT Commands, S-Registers and Result Codes
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S3
Return Character
Unit: ASCII Character
Range: 0-127
Default: 13
Description: Defines the character recognized as
Carriage Return (RETURN) or “Enter”.
S4
Line Feed Character
Unit: ASCII Character
Range: 0-127
Default: 10
Description: Defines the character recognized as LINE
FEED.
S5
Backspace Character
Unit: ASCII Character
Range: 0-127
Default: 8
Description: Defines the character recognized as
BACKSPACE.
S6
Wait Time for Dial Tone
Unit: 1 second
Range: 2-255, 4-255**, 4-7***
Default: 2, 4**, 4***
Description: Sets the time the modem waits after the
RETURN key is pressed before executing a
dial command.
* Value for International and DOC units
** Value for International units only
***BABT models only