Re: Problems in decoding a VoIP capture file.

[capricorn 80 <cool_capricorn80 () hotmail com>]

Hi!

 

I am not an expert but I can tell me own thinking. The protocol used by VOIP is RTP but it seems that your trace dont 
contain any RTP. 
Enable the option  Try to Decode RTP outside of conversion from Edit -> preferences - > protocol and then RTP.

 

Regards,

 

 


Date: Fri, 18 Jun 2010 10:10:49 +0530
From: weeshalll () gmail com
To: wireshark-users () wireshark org
Subject: [Wireshark-users] Problems in decoding a VoIP capture file.

Hi All,
I was trying to dissect a Voice chat client recently . My understanding is that
Voice data  generally travels over UDP.But i am not able to see any valid 
Voice data travelling over UDP.On the contrary i see a couple of  TCP streams
which i suspect would be carrying the actual voice data(192.168.0.230 <--> 64.40.6.80)
.Can anyone tell me whether they are carrying voice over RTP or some other format.My aim is to 
extract the voice data from it.Can anyone tell me how should i go about doing it .
Atleast can anyone tell me what audio codec has been used here .I am attaching 
the capture file for your reference.


Thanks in advance,
Vishal                                            
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