I know and understand 3cx official website was delivered "How to troubleshoot Destination Not Found". Honestly, i don't understand step by step they give, so please help me how to troubleshoot this problem easily and simply, maybe with the image step. Cause i have 7 operators and even can't run calling number with "Cannot Call, Destination Not Found" warning. Bytheway, iam use 14.0.49169.513 3CX App for Windows PC Hopefully you can help me. Sorry for RIP english.