SIM800 datasheet(39/380 Pages) SIMCOM

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SIM800 Series_AT Command Manual_V1.09

2015-08-03

<n>

Automatic answering is disable.

1-255 Number of rings the modem will wait for before answering

the phone if a ring is detected.

Parameter Saving

Mode

AT&W_SAVE

Max

Response

Time

Reference

V.25ter

Note

If <n> is set too high, the calling party may hang up before the call can be

answered automatically.

If using cmux port, ATH and AT+CHUP can hang up the call (automatically

answering) only in the CMUX channel 0.

If using dual-physical serial port, ATH and AT+CHUP can hang up the call

(automatically answering) only in UART1.

2.2.17 ATS3

Set Command Line Termination Character

ATS3

Set Command Line Termination Character

Response

<n>

Read Command

ATS3?

Parameters

See Write Command

Response

This parameter setting determines the character recognized by TA to

terminate an incoming Command line. The TA also returns this character in

output.

ERROR

Write Command

ATS3=<n>

Parameters

<n>

13 Command line termination character

Parameter Saving

Mode

AT&W_SAVE

Max

Response

Time

Reference

V.25ter

Note

Default 13 = CR. It only supports default value.

2.2.18 ATS4

Set Response Formatting Character

ATS4

Set Response Formatting Character

Read Command

Response

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