Data Sheet
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  112  2015-08-03 
4 AT Commands According to 3GPP TS 27.005 
The 3GPP TS 27.005 commands are for performing SMS and CBS related operations. SIM800 
Series supports both Text and PDU modes. 
4.1 Overview of AT Commands According to 3GPP TS 27.005 
Command  Description 
AT+CMGD  Delete SMS message 
AT+CMGF  Select SMS message format 
AT+CMGL  List SMS messages from preferred store 
AT+CMGR  Read SMS message 
AT+CMGS  Send SMS message 
AT+CMGW  Write SMS message to memory 
AT+CMSS  Send SMS message from storage 
AT+CNMI  New SMS message indications 
AT+CPMS  Preferred SMS message storage 
AT+CRES  Restore SMS settings 
AT+CSAS  Save SMS settings 
AT+CSCA  SMS service center address 
AT+CSCB  Select cell broadcast SMS messages 
AT+CSDH  Show SMS text mode parameters 
AT+CSMP  Set SMS text mode parameters   
AT+CSMS  Select message service 
4.2 Detailed Descriptions of AT Commands According to 3GPP TS 27.005 
4.2.1 AT+CMGD Delete SMS Message 
AT+CMGD Delete SMS Message 
Response 
+CMGD: (list of supported <index>s),(list of supported <delflag>s) 
OK 
Test Command 
AT+CMGD=? 
Parameters 
See Write Command 
Write Command 
AT+CMGD=<in
dex>[,<delflag>] 
Response 
TA deletes message from preferred message storage <mem1> location 
<index>. 
OK 










