The latest articles on DEV Community by aryaveerruno (@aryaveer). https://dev.to/aryaveer https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F1068285%2Ff78ec017-6afc-4bcc-be13-eaa46d86892b.jpeg https://dev.to/aryaveer en aryaveerruno Thu, 20 Apr 2023 06:25:56 +0000 https://dev.to/aryaveer/why-at-commands-give-different-results-on-different-devices-117d https://dev.to/aryaveer/why-at-commands-give-different-results-on-different-devices-117d <p>I am sending AT commands to an android/ios device from windows over a bluetooth(hfp) connection and when I checked some AT commands like ATD,AT+CLCC,ATA,AT+CHUP give same results on all devices but AT+CNUM gives different results on different devices, so is it because of a different android versions or bluetooth versions.</p> <p>I wanted to know on which sim i am getting a call if i have a dual sim device over a bluetooth connection with AT commands. <br> Right now on Oppo F11 pro (Android 11,Bluetooth v:4.2) AT+CNUM gives the sim number on which i am receiving a call but on other devices like pixel 6a,Iphone 12 pro, One Plus 10t it gives the default sim information not the one i am using for call.</p> hfp atcommands bluetoot c