gprs消息解码？

lhzsyy257

<p>　　谁能告诉我怎么解码吗？数据如下：</p><p>Ｐacket&nbsp; Uplink&nbsp;&nbsp; ACK/NACK</p><p>4F&nbsp; 24&nbsp; 10&nbsp; 60&nbsp; 3D&nbsp; FA&nbsp; 00 00&nbsp; 3E&nbsp; 00&nbsp; B0&nbsp; 70&nbsp; 00 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B</p><p>acket&nbsp;&nbsp; control&nbsp;&nbsp; ack now ledgment&nbsp;</p><p>40&nbsp; 07&nbsp; 3C F4 44 47 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B </p><p>acket&nbsp; polling&nbsp; request </p><p>4F 10 6C 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B</p><p>acket&nbsp; downlink assignment</p><p>47 08 36 00 7C 08&nbsp;63&nbsp;7C&nbsp; 05&nbsp; B6&nbsp; DB&nbsp;68 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B 2B</p><p>packet downlink&nbsp; ack/nack</p><p>40 0A A4 20 00 00 00 3F FF FF FF EE 47 E0 0B 2B 2B 2B 2B 2B 2B 2B 2B </p><p>不知道要用到什么协议来解码的？谁知道吗？</p>