SIM800 datasheet(218/380 Pages) SIMCOM

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Smart Machine Smart Decision

SIM800 Series_AT Command Manual_V1.09

218

2015-08-03

1 Registered, home network.

2 Not registered, but MT is currently trying to attach or

searching an operator to register to. The GPRS service is

enabled, but an allowable PLMN is currently not available. The

UE will start a GPRS attach as soon as an allowable PLMN is

available.

3 Registration denied, The GPRS service is disabled, the UE is

not allowed to attach for GPRS if it is requested by the user.

4 Unknown

5 Registered, roaming

<lac>

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

byte location area code in hexadecimal format (e.g. "00C3"

equals 195 in decimal)

<ci>

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

bytes cell ID in hexadecimal format

Parameter Saving

Mode

AT&W_SAVE

Max

Response

Time

Reference

Note

7.2.11 AT+CGSMS

Select Service for MO SMS Messages

AT+CGSMS

Select Service for MO SMS Messages

Response

+CGSMS: (list of currently available <service>s)

Test Command

AT+CGSMS=?

Parameters

See Write Command

Response

+CGSMS: <service>

Read Command

AT+CGSMS?

Parameters

See Write Command

Response

If error is related to ME functionality:

+CME ERROR: <err>

Write Command

AT+CGSMS=<se

rvice>

Parameters

A numeric parameter which indicates the service or service

preference to be used

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