title: unable to see codecs used in VOIP application using Wireshark
body: <p>Is there any way to see the codecs used in VOIP application in wireshark(G729,AMR…).</p>
  
  <p>I want to analyse a VOIP appliocation ,in which i can see SIP methods only.I didn't find a way to see any codecs used.Also i tried to see RTP packets,which i couldn't find(i searched for rtp for filtering)find.I actuallally made a call from VOIP application and was only able to see SIP protocol.Do anyone have any idea to analyse SRTP on wireshark.I am using MAC system.I couldn't find RTP for the same call.Can anyone help?</p>