[asterisk-users] Efficient logging of PRI traffic for later analysis?

[Olivier]

Which tool would you then pick read or analyse those ISDN, Q.SIG, SS7
pcap files ?
I took quick look at Wireshark capabilities but I'm still not sure
about its relevance.

2012/1/20, Tony Mountifield <tony at softins.co.uk>:
> In article <4F18A763.90309 at digium.com>,
> Kevin P. Fleming <kpfleming at digium.com> wrote:
>> On 01/19/2012 05:25 PM, Tony Mountifield wrote:
>> > Often, when I want to be able to do post-mortem analysis of network
>> > traffic, I can have a suitable tcpdump with -w to capture raw packets
>> > for later analysis with Wireshark. On some systems I have this running
>> > continuously on the SIP port.
>> >
>> > Is there any way of doing something similar with PRI ISDN protocol?
>> > I certainly don't want to have pri span debug running all the time,
>> > but from time to time I do get customer queries about calls that have
>> > failed or dropped for some reason, and it would be very useful to be
>> > able to view the PRI exchange retrospectively. So I'd like the ability
>> > efficiently to log PRI traffic raw to a file and then interpret it
>> > later.
>> >
>> > Does anything like this exist already? Or could anyone point me in
>> > the right direction for developing something?
>>
>> Search for 'DAHDI pcap'; in recent versions of DAHDI it has become
>> possible to generate PCAP dumps of HDLC traffic on D-channels (which
>> could be ISDN, Q.SIG, SS7, etc.).
>
> Thanks, that sounds just the job...
>
> Tony
> --
> Tony Mountifield
> Work: tony at softins.co.uk - http://www.softins.co.uk
> Play: tony at mountifield.org - http://tony.mountifield.org
>
> --
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