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File:SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00.pdf
Version History
Contents
1.Introduction
1.1Purpose of the document
2. TCPIP Introduction
2.1 Characteristic
2.2 TCPIP Commands Process
3. AT Commands for TCPIP
4. Bearer Configuration
4.1 Start TCPIP Service
SIM7500_SIM7600_SIM7800
Series_TCPIP_Application
Note
LTE Module
SIMCom Wireless Solutions Limited
Building B, SIM Technology Building, No.633, Jinzhong Road
Changning District, Shanghai P.R. China
Tel: 86-21-31575100
support@simcom.com
www.simcom.com
SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
SIM7500_SIM7600_SIM7800 Series _TCPIP_Application Note
2.00
2020.8.6
Released
Document Title:
Version:
Date:
Status:
GENERAL NOTES
SIMCOM OFFERS THIS INFORMATION AS A SERVICE TO ITS CUSTOMERS, TO SUPPORT
APPLICATION AND ENGINEERING EFFORTS THAT USE THE PRODUCTS DESIGNED BY SIMCOM.
THE INFORMATION PROVIDED IS BASED UPON REQUIREMENTS SPECIFICALLY PROVIDED TO
SIMCOM BY THE CUSTOMERS. SIMCOM HAS NOT UNDERTAKEN ANY INDEPENDENT SEARCH
FOR ADDITIONAL RELEVANT INFORMATION, INCLUDING ANY INFORMATION THAT MAY BE IN THE
CUSTOMER’S POSSESSION. FURTHERMORE, SYSTEM VALIDATION OF THIS PRODUCT
DESIGNED BY SIMCOM WITHIN A LARGER ELECTRONIC SYSTEM REMAINS THE RESPONSIBILITY
OF THE CUSTOMER OR THE CUSTOMER’S SYSTEM INTEGRATOR. ALL SPECIFICATIONS
SUPPLIED HEREIN ARE SUBJECT TO CHANGE.
COPYRIGHT
THIS DOCUMENT CONTAINS PROPRIETARY TECHNICAL INFORMATION WHICH IS THE PROPERTY
OF SIMCOM WIRELESS SOLUTIONS LIMITED COPYING, TO OTHERS AND USING THIS DOCUMENT,
ARE FORBIDDEN WITHOUT EXPRESS AUTHORITY BY SIMCOM. OFFENDERS ARE LIABLE TO THE
PAYMENT OF INDEMNIFICATIONS. ALL RIGHTS RESERVED BY SIMCOM IN THE PROPRIETARY
TECHNICAL INFORMATION ，INCLUDING BUT NOT LIMITED TO REGISTRATION GRANTING OF A
PATENT , A UTILITY MODEL OR DESIGN. ALL SPECIFICATION SUPPLIED HEREIN ARE SUBJECT TO
CHANGE WITHOUT NOTICE AT ANY TIME.
SIMCom Wireless Solutions Limited
Building B, SIM Technology Building, No.633 Jinzhong Road, Changning District, Shanghai P.R. China
Tel: +86 21 31575100
Email: simcom@simcom.com
For more information, please visit:
https://www.simcom.com/download/list-863-en.html
For technical support, or to report documentation errors, please visit:
https://www.simcom.com/ask/ or email to: support@simcom.com
Copyright © 2020 SIMCom Wireless Solutions Limited All Rights Reserved.
www.simcom.com
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SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
Version History
Version
V2.00
Date
2020.8.6
Owner
Yulong.Li
What is new
Update the format
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SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
Contents
Version History.................................................................................................................................................... 3
Contents................................................................................................................................................................ 4
Introduction...................................................................................................................................................5
Purpose of the document...........................................................................................................................5
1.1
1.
2. TCPIP Introduction.........................................................................................................................................6
2.1 Characteristic.................................................................................................................................................... 6
2.2 TCPIP Commands Process............................................................................................................................7
3. AT Commands for TCPIP..............................................................................................................................8
4. Bearer Configuration.....................................................................................................................................9
4.1 Start TCPIP Service......................................................................................................................................... 9
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SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
1. Introduction
1.1 Purpose of the document
Based on module AT command manual, this document will introduce TCPIP application process.
Developers could understand and develop application quickly and efficiently based on this document.
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SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
2. TCPIP Introduction
TCPIP is used to setup connections between clients and servers, which are used for TCP/UDP clients
communicating with servers.
2.1 Characteristic
Support connecting TCP/UDP servers;
TCP connections
Module works as TCP clients. It communicates with TCP servers by TCP connections.
UDP connections
Module works as UDP clients. It communicates with UDP servers.
Support accepting TCP clients;
TCP servers
Module works as TCP servers. It listens TCP clients accept request and communicates with TCP
clients.
Support multiple data transmission mode;
Direct Push Mode
Host data will be sent to internal protocol stack and forwarded to air interface. Data received from
air interface will be transmitted to internal protocol stack and forwarded to COM ports.
Buffer Access Mode
Host data will be sent to internal protocol stack and forwarded to air interface. Data received from
air interface will be saved into local buffers. Host could retrieve buffer data by AT commands.
Transparent Access Mode
Host data will be directly sent to air interface. Data received from air interface will be directly sent to
COM ports.
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SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
2.2 TCPIP Commands Process
Figure 1: Flow Chart of Using TCP/IP Commands
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SIM7500_SIM7600_SIM7800 Series_TCPIP_Application Note_V2.00
3. AT Commands for TCPIP
Command
AT+NETOPEN
AT+NETCLOSE
AT+CIPOPEN
AT+CIPCLOSE
AT+CIPSEND
AT+CIPRXGET
AT+IPADDR
AT+CIPHEAD
AT+CIPSRIP
AT+CIPMODE
AT+CIPSENDMODE
AT+CIPTIMEOUT
AT+CIPCCFG
AT+SERVERSTART
AT+SERVERSTOP
AT+CIPACK
AT+CDNSGIP
AT+CDNSGHNAME
AT+CIPDNSSET
Description
Start TCPIP Service
Stop TCPIP Service
Setup TCP/UDP Client Socket Connections
Destroy TCP/UDP Client Socket Connections
Send TCP/UDP Data
Retrieve TCP/UDP Buffer Data
Get IP Address of PDP Context
Set Length Domain of Reporting Head of Data
Set IP Domain of Reporting Head of Data
Enable/Disable Transparent Access Mode
Set Reporting Mode of CIPSEND result
Set Timeout Value of NETOPEN, CIPOPEN and CIPSEND
Configure Socket Context
Setup TCP Server Socket Connections
Destroy TCP Server Socket Connections
Get Statistics Information of Data Communication
Analysis IP Address from Domain Name
Analysis Domain Name from IP Address
Configure DNS Context
For detail information, please refer to “SIM7080 Series_AT Command Manual_V1.00”.
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