SIM800 datasheet(57/380 Pages) SIMCOM

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SIM800 Series_AT Command Manual_V1.09

2015-08-03

AT+CREG

Network registration

AT+CRLP

Select radio link protocol parameters

AT+CRSM

Restricted SIM access

AT+CSQ

Signal quality report

AT+VTD

Tone duration

AT+VTS

DTMF and tone generation

AT+CMUX

Multiplexer control

AT+CNUM

Subscriber number

AT+CPOL

Preferred operator list

AT+COPN

Read operator names

AT+CFUN

Set phone functionality

AT+CCLK

Clock

AT+CSIM

Generic SIM access

AT+CALM

Alert sound mode

AT+CALS

Alert sound select

AT+CRSL

Ringer sound level

AT+CLVL

Loud speaker volume level

AT+CMUT

Mute control

AT+CPUC

Price per unit and currency table

AT+CCWE

Call meter maximum event

AT+CBC

Battery charge

AT+CUSD

Unstructured supplementary service data

AT+CSSN

Supplementary services notification

3.2 Detailed Descriptions of AT Command According to 3GPP TS 27.007

3.2.1 AT+CACM

Accumulated Call Meter (ACM) Reset or Query

AT+CACM

Accumulated Call Meter(ACM) Reset or Query

Test Command

AT+CACM=?

Response

TA returns the current value of ACM.

+CACM: <acm>

If error is related to ME functionality:

+CME ERROR: <err>

Read Command

AT+CACM?

Parameters

<acm>

String type (string should be included in quotation marks);

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