Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  351  2015-08-03 
+CDS: 
<fo>,<mr>[,<ra>][,<tora>],<s
cts>,<dt>,<st> 
Indicates that new SMS status report has 
been received. 
AT+CNMI 
<ds>=1 (text mode 
enabled): 
+COLP: 
<number>,<type>[,<subaddr>
,<satype>,<alphaId>] 
The presentation of the COL (Connected 
Line) at the TE for a mobile originated 
call. 
AT+COLP= 1 
+CSSU: <code2>  Presentation status during a mobile 
terminated call setup or during a call, or 
when a forward check supplementary 
service notification is received. 
AT+CSSN=<n>[,<
m>]<m>=1 
+CSSI: <code1>[,<index>]  Presentation status after a mobile 
originated call setup 
AT+CSSN=<n>[,<
m>]<n>=1 
+CLCC: 
<id1>,<dir>,<stat>,<mode>,<
mpty>[,<number>,<type 
>,<alphaID>] 
[<CR><LF>+CLCC: 
<id2>,<dir>,<stat>,<mode>,<
mpty> 
[,<number>,<type>,<alphaID
>][...]] 
Report a list of current calls of ME 
automatically when the current call 
status changes. 
AT+CLCC= 1 
*PSNWID: "<mcc>", 
"<mnc>", "<full network 
name>",<full network name 
CI>, "<short network 
name>",<short network name 
CI> 
Refresh network name by network. 
*PSUTTZ: 
<year>,<month>,<day>,<hour
>,<min>,<sec>, "<time 
zone>",<dst> 
Refresh time and time zone by network. 
+CTZV: "<time zone>" 
Refresh network time zone by network. 
DST: <dst> 
Refresh Network Daylight Saving Time 
by network. 
AT+CLT S=1 
+CSMINS: <n>,<SIM 
inserted> 
Indicates whether SIM card has been 
inserted. 
AT+CSMINS=1 
+CDRIND: <type> 
Indicates whether a CS voice call, CS 
data has been terminated. 
AT+CDRIND=1 
+CHF: <state> 
Indicates the current channel.  AT+CHF=1 
+CENG: 
<cell>,"<arfcn>,<rxl>,<rxq>,
<mcc>,<mnc>,<bsic>,<cellid
>,<rla>,<txp>,<lac>,<TA>" 
Report of network information. 
AT+CENG=<mod
e>[,<Ncell>] 
<mode>=2 
MO RING 
Shows call state of mobile originated   










