i can already send sms using my phone with at commands using C#, but i am having some difficulties receiving messages. i know that the way ... ... <看更多>

Sending and Receiving Messages with GSM - With AT Commands and Arduino ... SIM900A GSM Module-Send SMS & Make a Call using AT Commands. ... <看更多>

AT SMS Command Set. GitHub Gist: instantly share code, notes, ... at-command-set.md ... Receive: at+cmgl="ALL". SMS Service center: AT+CSCA? > +13123149810. ... <看更多>

I dont think there's any command or built-in method to get the number of unread SMS like you want. The RING pin can be used as an indicator ... ... <看更多>