Wireshark-users: Re: [Wireshark-users] capture Q931 protocol
Hi,
As Guy indicated it's probably LAPD coming out of the card then, and Q.931
on top of that.
Regards
Anders

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[mailto:[email protected]] För Gopal krishnan
Skickat: den 11 januari 2009 11:02
Till: Community support list for Wireshark
Ämne: Re: [Wireshark-users] capture Q931 protocol

Hi guys,                  thanks for the reply. I am using sangoma
card with sangoma tapping system and also from sangoma they have given
api to capture the packet from the second layer via sangoma card. The
problem we are facing is we dont know how the q931 packet will be. The
api is in c we are trying to integrate with java


On 1/11/09, Anders Broman <[email protected]> wrote:
> You'd also need some sort of tap functionality on the card to insert it
> Between the MSC and the PRA.
> Regards
> Anders
>
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> Från: [email protected]
> [mailto:[email protected]] För Guy Harris
> Skickat: den 10 januari 2009 21:02
> Till: Community support list for Wireshark
> Ämne: Re: [Wireshark-users] capture Q931 protocol
>
>
> On Jan 10, 2009, at 7:41 AM, Anders Broman wrote:
>
>> In principe you'd need a card that can capture the D-channel and
>> write the packets to a file in libpcap format. If such a card is
>> available
>> I do not know.
>
> An Endace DAG card:
>
> 	http://www.endace.com/dag-3.7t-datasheet.html
>
> might be able to do it; libpcap can be built with support for DAG
> cards, and a version of Wireshark that uses that version of libpcap
> could capture on them.
>
> However, Wireshark doesn't currently dissect LAPD captured from them,
> so some work would be needed to have Wireshark dissect the resulting
> capture.
>
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Thank you  with regards,
Gopal,
PeopleTech Systems Private Limited
www.peopletech.co.in
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