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Seeed-Studio / Seeeduino_GPRS

Seeeduino GPRS Library
http://www.seeedstudio.com/depot/Seeeduino-GPRS-p-1909.html
MIT License
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USSD CODES #10

Closed salchee closed 6 years ago

salchee commented 6 years ago

Is there anyway to check credit balance ? like codes *123#

lanselambor commented 6 years ago

@salchee Is *123# sent by SMS or Call? Can you describe more clearly?

salchee commented 6 years ago

its by call

lanselambor commented 6 years ago

@salchee AT cmd to operate USSD CODES like below, AT+CUSD=1 // open USSD AT+CUSD=1,"*111#"

This page may help. http://www.raviyp.com/embedded/190-sim900-sim800-ussd-code-at-commands-working-example

KillingJacky commented 6 years ago

Will close this issue, please open a new issue if you have further questions.

logicmagic2017 commented 5 years ago

what if by SMS, how to code USSD to check balance?

lanselambor commented 5 years ago

@logicmagic2017 Sorry USSD is not supported sending by SMS.