title: How to get audio data from rtp packet...?
body: <p>I'm using .net to do call recroding with pcap.net.</p>
  
  <p>till now I have got the rtp packet. And its length is 32 bytes.</p>
  
  <p>The codec used is G729 and payload type is 18.</p>
  
  <pre><code>byte[] bytes = HexString2Bytes(udp.Payload.ToHexadecimalString());          
  string rtppayload = ASCIIEncoding.ASCII.GetString(bytes);
  </code></pre>
  
  <p>I need to get the actual rtp payload.
   Plz help me...</p>