[cisco-voip] Wireshark - OT

[Jason Burns]

You can also right click on the UDP packet and go to "Decode As" and select
RTP in the window that pops up. Wireshark will then tell you what all the
fields in the RTP packet mean, including payload type (where you'll find 711
vs 729, etc)

As Sean mentioned, it'll also display in the summary line in the top pane.

On Wed, Oct 22, 2008 at 8:14 AM, Sean Walberg <sean at ertw.com> wrote:

> Sure, if Wireshark sees the packet as RTP packets it'll display that in the
> info column, or in the packet details.  For example:
>
> Payload type: ITU-T G.711 PCMU (0)
>
> If Wireshark is not seeing the packets as RTP, go to Edit->Preferences,
> Protocols->RTP, and make sure "Try to decode RTP outside of conversations"
> is checked.
>
> Sean
>
>
>
> On Wed, Oct 22, 2008 at 4:21 AM, Lemon <lemon at lemon.za.net> wrote:
>
>> i know it is a bit off topic but is there a way to use wireshark to
>> tell if the voip call is G711 ulaw or alaw?
>>
>
>
> --
> Sean Walberg <sean at ertw.com>    http://ertw.com/
>
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>
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