PHP将消息从Web发送到移动设备

Question

            $bsms="বাংলাদেশীদের জন্য ঈদ মানেই স্পেশাল খুশি। ";
            echo  $encodebangla=utf8_encode ($bsms );
            echo $a= utf8_decode($encodebangla);
            $sid='Shibly Test';
            $user = 'shiblyhelp';
            $pass = '123456';
            $num1="8801913884092";
            $cname="Shibly";
            $cgender="Mr.";
            $url="http:...................";
            $param="user=$user&pass=$pass&sms[0][0]=$num1&sms[0][1]=".utf8_decode($encodebangla)."&sms[1][2]=123456790&sid=$sid";
            $crl = curl_init();
            curl_setopt($crl,CURLOPT_SSL_VERIFYPEER,FALSE);
            curl_setopt($crl,CURLOPT_SSL_VERIFYHOST,2);
            curl_setopt($crl,CURLOPT_URL,$url);
            curl_setopt($crl,CURLOPT_HEADER,0);
            curl_setopt($crl,CURLOPT_RETURNTRANSFER,1);
            curl_setopt($crl,CURLOPT_POST,1);
            curl_setopt($crl,CURLOPT_POSTFIELDS,$param);
            $response = curl_exec($crl);
            $xml = json_decode(json_encode((array) simplexml_load_string($response)), 1);

这是我的代码。 $ bsms - 此变量包含一个bangla字符串。现在我想将此字符串作为bangla的文本消息发送到移动设备。 msg已发送但我得到了。只要 ？？？？？？？？？？？？？？？？？？？？？？？？？？？？在我的手机短信框上。请帮帮我。