Kannel webhook dlr to return dlr for customer / arabic language not working on kannel

I have kannel and http sms api , there is also a webook with status of ack (delivery ,sent, fail)
I want to fix the dlr in kannel , also arabic version not working I need expert to fix that

only experts , dont google and say you are expert , if you know kannel and can fix the Utf-8 and dlr ( with web hook) then text me