Wireshark · Ethereal-users: Re: [Ethereal-users] RTP Analysis: Error: "Can't save in a file: Unsupported codec!"

[Scott Lowrey <slowrey@xxxxxxxxxxx>]

RFC 2833.  The DTMF tones generated by the buttons are transferred with 
different RTP payload types.

I'm not sure what the implications are to Ethereal, but it's probably 
enough to cause problems when attempting to extract a stream to a file.

Erik Naslund wrote:

> My first post to this mailing list:
>
> OS: Windows 2000 Server
> WINPCAP Ver 2.3
> Ethereal Ver 0.10.10
> RTP Encoding: G.711
>
> I am a vonage customer, and am having some difficulty in saving
> certain RTP payloads to an audio file.
>
> This feature seems to work fine as long as no telephone buttons are
> pressed during the conversation. However, if a button is pressed and a
> tone generated, it seems to foul up the process, resulting in the
> error message in the subject line of this post.
>
> I apologize if this has been brought up and answered on this mailing
> list previously, again I am new and am not sure exactly if I can
> search back posts.
>
> -Erik
>
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