SIM800 datasheet(223/380 Pages) SIMCOM

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SIM800 Series_AT Command Manual_V1.09

223

2015-08-03

IP INITIAL

IP START

IP CONFIG

IP GPRSACT

IP STATUS

TCP CONNECTING/UDP CONNECTING/

SERVER LISTENING

CONNECT OK

TCP CLOSING/UDP CLOSING

TCP CLOSED/UDP CLOSED

PDP DEACT

In Multi-IP state:

IP INITIAL

IP START

IP CONFIG

IP GPRSACT

IP STATUS

IP PROCESSING

PDP DEACT

Parameter Saving

Mode

NO_SAVE

Max

Response

Time

When mode is multi-IP state, the max response time75 seconds.

When mode is single state, and the state is IP INITIAL, the max response

time is 160 seconds.

Reference

Note



This command allows establishment of a TCP/UDP connection only

when the state is IP INITIAL or IP STATUS when it is in single state.

In multi-IP state, the state is in IP STATUS only. So it is necessary to

process "AT+CIPSHUT" before user establishes a TCP/UDP

connection with this command when the state is not IP INITIAL or IP

STATUS.



When module is in multi-IP state, before this command is executed, it

is necessary to process "AT+CSTT, AT+CIICR, AT+CIFSR".

8.2.3 AT+CIPSEND

Send Data Through TCP or UDP Connection

AT+CIPSEND

Send Data Through TCP or UDP Connection

Test Command

AT+CIPSEND=?

Response

1) For single IP connection (+CIPMUX=0)

+CIPSEND: <length>

2) For multi IP connection (+CIPMUX=1)

+CIPSEND: (0-5),<length>

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