[Freeswitch-users] Q931 decoding
helmut.kuper at ewetel.de
Thu Jan 22 08:04:42 PST 2009
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wireshark decodes all things I needed to debug q931 and by now I haven't
found a bug compared to my commercial "aurora duet" q931 monitor device.
Well I spent some time to find a way in wireshark to get raw and pure
q931 data in, but I didn't found a way except creating a protocoll stack
as wireshark expect it. Nevertheless wireshark allways decodes from
layer 1 successive to upper layers. This tells me that I definately have
to encapsulate q931 somehow in a layer 1 link known by wireshark. Sa far
as I know q931 is a layer 3 protocol in ISDN world, thus it can not be
read directly by wireshark.
whireshark knows a lot of layer 1 protocols - much more than me. And so
I decide to use the protocols I know and wireshark knows.
But if you find a direct way, please let me know, so I can speed up the
logging of q931 packets into pcap file.
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