AT Command

Description

AT+CIPSTART comamnds starts a TCP or UDP connection.

Parameters
- 0..7 - Connection number
- "TCP" or "UDP"
- Remote server IP address
- Remote server port
- remote domain name

Usage:
AT+CIPSTART=? - Test


Support

Simcom Module Tutorial

Examples

AT+CIPSTART=?

+CIPSTART: ("TCP","UDP"),("(0,255).(0,255).(0,255).(0,255)"),(1,65535)
+CIPSTART: ("TCP","UDP"),("DOMAIN NAME"),(1,65535)

OK

Start a TCP connection
AT+CIPSTART="TCP","116.228.221.51","8500"

OK

Start a UDP connection
AT+CIPSTART="UDP","116.228.221.51"."9600"

CONNECT OK

KeywordsAT+CIPSTART syntax, examples, parameters, error, input, response.

With Online AT Command Tester tool, you can test Simcom TCP/IP feature.

You can also send commands to set up TCP/IP connection in the ‘Script Mode’ tab of the AT Command Tester,


//Check the registration status
AT+CREG?

//Check attach status
AT+CGACT?

//Attach to the network
AT+CGATT=1

//Wait for Attach
WAIT=7

//Start task ans set the APN. Check your carrier APN
AT+CSTT="bluevia.movistar.es"

//Bring up the wireless connection
AT+CIICR

//Wait for bringup
WAIT=6

//Get the local IP address
AT+CIFSR

//Start a TCP connection to remote address. Port 80 is TCP.
AT+CIPSTART="TCP","74.124.194.252","80"