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Unsolicited Result Codes

 

URC Description AT Command
+CRING: <type>

Indicates incoming call to the TE if extended

format is enabled.

AT+CRC=1
+CREG: <stat>[,<lac>,<ci>,<netact>]

There is a change in the MT network

registration status or a change of the network cell.

AT+CREG=<n>
+CMTI: <mem3>,<index> Indicates that new message has been received.

AT+CNMI

<mt>=1

+CMTI: <mem3>,<index>,

“MMS PUSH”

Indicates that new MMS message has been received.

AT+CNMI

<mt>=1

+CMT: <length><CR><LF><pdu> Indicates that new message has been received.

AT+CNMI

<mt>=2 (PDU mode)

+CMT: <oa>,<scts>[,<tooa>,<fo>,

<pid>,<dcs>,<sca>,<tosca>,

<length>]<CR><LF><data>

Indicates that new message has been received.

AT+CNMI

<mt>=2 (text mode)

+CBM: <length><CR><LF><pdu> Indicates that new cell broadcast message has been received.

AT+CNMI

<bm>=2 (PDU mode enabled):

+CBM: <sn>,<mid>,<dcs>,<page>,

<pages><CR><LF><data>

Indicates that new cell broadcast message has been received.

AT+CNMI

<bm>=2 (text mode enabled):

+CDS: <length><CR><LF><pdu> Indicates that new SMS status report has been received.

AT+CNMI

<ds>=1 (PDU mode enabled):

+CDS: <fo>,<mr>[,<ra>][,<tora>],<sct s>,<dt>,<st> Indicates that new SMS status report has been received.

AT+CNMI

<ds>=1 (text mode enabled):

*PSNWID: “<mcc>”,”<mnc>”,“<full

network name>”,<full network

name CI>,”<short network name>”,

<short network name CI>

Refresh network name by network. AT+CLTS=1

*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.
+CPIN: <code> Indicates whether some password is required or not. AT+CPIN
+CPIN: NOT READY SIM Card is not ready.
+CPIN: NOT INSERTED SIM Card is not inserted.
+CUSD: <n>[,<str_urc>[,<dcs>]]

Indicates an USSD response from the network,

or network initiated operation.

AT+CUSD=1
NORMAL POWER DOWN SIM7000 is powered down by the PWRKEY pin or AT command “AT+CPOWD=1”.  
UNDER-VOLTAGE POWER DOWN Under-voltage automatic power down.  
UNDER-VOLTAGE WARNNING under-voltage warning  
OVER-VOLTAGE POWER DOWN Over-voltage automatic power down.  
OVER-VOLTAGE WARNNING over-voltage warning  
RDY

Power on procedure is completed, and the module is ready to

operate at fixed baud rate.

(This URC does not appear when auto-bauding function is

active).

AT+IPR=<rate>

<rate> is not 0

+CFUN: <fun>

Phone functionality indication (This URC does not appear

when auto-bauding function is active).

AT+IPR=<rate>

<rate> is not 0

[<n>,]CONNECT OK TCP/ UDP connection is successful AT+CIPSTART
CONNECT TCP/UDP connection in channel mode is successful  
[<n>,]CONNECT FAIL TCP/UDP connection fails AT+CIPSTART
[<n>,]ALREADY CONNECT TCP/UDP connection exists AT+CIPSTART
[<n>,]SEND OK Data sending is successful  
[<n>,]CLOSED TCP/UDP connection is closed  

RECV FROM: <IP

ADDRESS>: <PORT>

shows remote IP address and port (only in single connection

mode)

AT+CIPSRIP=1

+IPD,<data size>,<TCP/UDP>:

<data>

display transfer protocol in IP header to received data or not

(only in single connection mode)

AT+CIPHEAD

AT+CIPSHOWTP

+RECEIVE,<n>,<length>

Received data from remote client (only in multiple connection

mode)

 
REMOTE IP: <IP ADDRESS> Remote client connected in  

+CDNSGIP: 1,<domainname>,<IP>[,

<IP2>]

DNS successful AT+CDNSGIP
+CDNSGIP:0,<dns error code> DNS failed  
+PDP: DEACT GPRS is disconnected by network  
+APP PDP: ACTIVE Active the network of app side AT+CNACT=1
+APP PDP: DEACTIVE Deactive the network of app side AT+CNACT=0

 

 

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