How to record streaming RTP of Wireshark and play using an application called Audacity

I use dto this regularly a few years ago and used to know all the steps to get the stream RTP of Wireshark and then save to a file and then play using an application called Audacity.

In my opinion, were the steps that I used to do:

1 Wireshark - put in place since a file display server to display only the RTP.

2 then in Wireshark---> statistical sub---> Show all streams---> and analyze---> then save payload as 'gross' or ' to the ' can't remember - forward / reverse / both

3 then play the file using Audacity.

I am clearly stating what I need.

Now when I do the above I can not read the file with Audacity.

Audacity says:

Audacity did not recognize the file type. If it is not compressed, try to import using "Import Raw".

We must continue to use them to remember the steps.

Any help much appreciated.

If the RTP stream uses G.711, you can directly use the audio player of wireshark:

-in Wireshark - telephony - Voip calls

-Select a call - then click the reader button

-Click the Decode button

-Select one or more streams of data and so click on Play

You can also use RTP analyze tool to record audio in .au format and play with Audacity.

If you prefer to save the file in .raw format, you can open Audacity and import the file in raw mode and specify the codic law for g.711A so or u - Law codec encoding G.711u and therefore equal to 8000 Hz sampling frequency.

Kind regards.

Tags: Cisco Support

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