How to block incoming text messages in sim800

somya's picture

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Joined: Sep 18, 2018

Replies: 4
How to block incoming text messages in sim800
July 1, 2019 - 5:58pm

I need a help in blocking the incoming text messages from  mobile to sim800 which is interfaced with arduino. help me in finding the corect at command fro blocking messages.

Abhiemanyu Pandit's picture

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Joined: Jan 21, 2019

Replies: 37
How to block incoming text messages in sim800
July 1, 2019 - 6:01pm

you can use the AT command as  "AT+CNMI=2,1,0,0,0" or "AT+CNMI=2,0,0,0,0" 

The command AT=CNMI tells that how you want to handle incoming messages. by forwarding this parameter you can choose what to do with the messages.