Manual

Smart Machine Smart Decision

SIM800 Series_AT Command Manual_V1.09 339 2015-08-03

Parameters

<data> UART data output in specified form, which is deciede by

<mode>

0 stop record

1 start record

<interval> UART data output interval, the range is 1-50, the default value

is 50. unit is 20ms.

<crcmode> data form

0 UART data is the audio data

1 0x7E is added to the head, 0x7E is converted to 0x7D 0x5E, 0x7D is

converted to 0x7D 0x5D.

2 0x7E is added to the head, 0x7E is converted to 0x7D 0x5E, 0x7D is

converted to 0x7D 0x5D,a 2byte CRC code is added to the end

Parameter Saving

Mode

NO_SAVE

Max Response

Time

Reference

Note

 When AT+CRECORD is set to 1, data mode will be entered and audio

data will output on the UART every the interval time, any input on the

UART will stop the record. AT+CRECORD=0 take no effect.

 AMR 4.75K is supported only

 AMR file head “#*AMR\n” is not outputed

Note: Part of the projects support record function, please refer to chapter 21 for details.