SimCom SIM7600 Series User Manual

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
163
Parameter required only for PDU mode.
0 – Command operates similarly as execution command in text mode.
1 – Send positive (RP-ACK) acknowledgement to the network. Accepted only in PDU
mode.
2 – Send negative (RP-ERROR) acknowledgement to the network. Accepted only in PDU
mode.
Examples
AT+CNMI=1,2,0,0,0
OK
+CMT:”1380022xxxx”,””,”02/04/03,11 :06 :38+32”<CR><LF>
Testing
(receive new short message)
AT+CNMA(send ACK to the network)
OK
AT+CNMA
+CMS ERROR ： 340
(the second time return error, it needs ACK only once)
7.9 AT+CNMI New message indications to TE
Description
This command is used to select the procedure how receiving of new messages from the network is
indicated to the TE when TE is active, e.g. DTR signal is ON. If TE is inactive (e.g. DTR signal is
OFF). If set <mt>＝3 or <ds>＝1, make sure <mode>＝1, If set <mt>=2,make sure <mode>=1 or
2, otherwise it will return error.
SIM PIN References
YES 3GPP TS 27.005
Syntax
Test Command Responses
AT+CNMI=? +CNMI: (list of supported <mode>s),(list of supported <mt>s),(list
of supported <bm>s),(list of supported <ds>
s),(list of supported
<bfr>s)
OK
Read Command Responses
AT+ CN MI?
+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>
OK
Write Command
Responses
SIMCOM CONFIDENTIAL FILE

SimCom SIM7600 Series Specifications

General

Operating Temperature	-40°C to +85°C
Storage Temperature	-45°C to +90°C
Module Type	LTE Cat-4 Module
Form Factor	LCC
Frequency Bands	LTE-TDD: B38/B39/B40/B41
GNSS	GPS/GLONASS/BeiDou
Interfaces	USB 2.0
Power Supply	3.4V - 4.2V
Certifications	CCC
Data Rate	LTE Cat 4: 150Mbps DL / 50Mbps UL, HSPA+: 42Mbps DL / 5.76Mbps UL

Summary

3 AT Commands According V.25TER

3.2 ATD Dial command

Used to list characters for dialing strings and controlling supplementary services.

3.3 ATD><mem><n> Originate call from specified memory

Originates a call using specified memory and index number, supporting voice and data calls.

3.21 AT&F Set all current parameters to manufacturer defaults

Resets all current parameters to the manufacturer defined profile, terminating calls.

3.33 AT+CIMI Request international mobile subscriber identity

4 AT Commands for Status Control

4.1 AT+CFUN Set phone functionality

Selects functionality level in ME, impacting power draw; supports minimum, full, and manufacturer-defined levels.

4.2 AT+CPIN Enter PIN

Sends password to ME for operation, handling SIM PIN, PUK, and other security.

5 AT Commands for Network

5.1 AT+CREG Network registration

Controls presentation of unsolicited result codes for network registration status and location.

5.2 AT+COPS Operator selection

Attempts to select and register a GSM/UMTS network operator, supporting automatic or manual selection.

5.3 AT+CLCK Facility lock

7 AT Commands for SMS

7.1 AT+CSMS Select message service

Selects messaging service, not supported in CDMA/EVDO mode.

7.3 AT+CMGF Select SMS message format

7.13 AT+CMGS Send message

Sends message from TE to network (SMS-SUBMIT).

8 AT Commands for Phonebook

8.1 AT+CPBS Select phonebook memory storage

Selects active phonebook storage for subsequent phonebook commands.

8.3 AT+CPBF Find phonebook entries

9 AT Commands for GPRS

9.1 AT+CGREG GPRS network registration status

Controls presentation of unsolicited result codes for GPRS network registration status.

9.3 AT+CGACT PDP context activate or deactivate

9.4 AT+CGDCONT Define PDP context

Specifies PDP context parameter values for a PDP context identified by <cid>.

14 AT Commands for File Transmission

14.1 AT+CFTRANRX Transfer a file to EFS

14.2 AT+CFTRANTX Transfer a file from EFS to host

15 AT Commands for Internet Service

15.1 PDP

Manages Packet Data Protocol contexts for network connectivity.

15.2 TCP/UDP

Handles TCP and UDP socket operations for network communication.

15.3 FTP

15.4 FTPS

15.5 HTTP

Handles Hypertext Transfer Protocol operations like GET and POST.

15.6 HTTPS

Manages Hypertext Transfer Protocol Secure operations.

15.8 NTP

17 AT Commands for GPS

17.1 AT+CGPS Start/Stop GPS session

Starts or stops GPS session, supports standalone, UE-based, and UE-assisted modes.

17.2 AT+CGPSINFO Get GPS fixed position information

Gets current position information, including latitude, longitude, altitude, date, time.

17.11 AT+CGPSFTM Start GPS test mode

17.13 AT+CGPSXE Enable/Disable GPS XTRA function

17.16 AT+CGPSINFOCFG Report GPS NMEA-0183 sentence

17.21 AT+CGPSMODE Configure GPS and GLONASS mode