[Freeswitch-users] Bounty for - FS-4268 Sip trace with filter for IP or extension

Tue Jan 8 00:46:32 MSK 2013

I have.

Personally I use my own custom daemon that simply uses libpcap to
capture and logs packets on port 5060/5080 to pcap files rotated on
time/size limits which're stored for N days then deleted by a cronjob.

I agree a separate project is probably a good way to log the SIP traffic...

Cal, a project like Homer allows you to capture the SIP traffic from a
separate server on the same LAN segment or using a monitor port of a
managed switch. That offloads the SIP capture entirely away from the
CPU/Disk of the SIP server, which can have performance benefits for
your softswitch server. Additionally using a pcap file format can have
other benefits, since it allows you to use existing tools like
wireshark for analysis. Searching for a call in a pcap file is trivial
using the Call-ID header which you'll have in the sip_call_id channel
variable.

That said, the idea of storing a history of the received SIP packets
within the CDR itself is interesting and would have benefits on
simpler installs such as a small office PBX - although I wouldn't
necessarily do it by default.

-Steve

On 7 January 2013 21:16, Anthony Minessale <anthony.minessale at gmail.com> wrote:
> have you seen the homer project?
>
>
> On Mon, Jan 7, 2013 at 3:03 PM, Steven Ayre <steveayre at gmail.com> wrote:
>>
>> Current logging is the Sofia-SIP stack calling the sofia.c:logger()
>> callback for the transport log. At this level packets are not attached
>> to any call, so matching it to a call would require a 2nd parsing of
>> the packet and matching it based on Call-ID... it would be quite a
>> performance hit.
>>
>> The callback functions where mod_sofia handles a packet matched to a
>> call receives the packet from the Sofia-SIP stack via the sip_t data
>> structure. This contains the parsed message, not the raw packet. This
>> makes it unsuitable for logging. I'm not sure if any other parameters
>> passed to the callback contain the raw packet, which would be required
>> to implement the feature. One of the mod_sofia developers would have a
>> better grasp of the Sofia-SIP API though.
>>
>> -Steve
>>
>>
>>
>>
>>
>>
>> On 7 January 2013 20:40, Lloyd Aloysius <lloyd.aloysius at gmail.com> wrote:
>> > I saw a demo from siproutes carrier. Their cdr have sip trace for every
>> > record and they keep for three months , then archive.
>> >
>> > It is awesome if freeswitch attach sip trace to the cdr. May be we can
>> > setup
>> > a bounty for this.
>> >
>> >
>> >
>> >
>> >
>> > On Mon, Jan 7, 2013 at 9:17 AM, Saugort Dario Garcia Tovar
>> > <dgarcia at anew.com.ve> wrote:
>> >>
>> >> Hi Cal,
>> >>
>> >> Also I use this way to get a sip trace with filter criterias. Take a
>> >> look
>> >> to this link:
>> >>
>> >>
>> >>
>> >> http://www.jonathanmanning.com/2009/10/26/how-to-voip-sip-capture-with-tcpdump-on-linux/
>> >>
>> >> With Wireshark you can apply additional filter
>> >>
>> >>
>> >>
>> >> On 1/6/2013 3:31 PM, Cal Leeming [Simplicity Media Ltd] wrote:
>> >>
>> >> Could a core dev speculate on how much the expected bounty would be for
>> >> this?
>> >>
>> >> Thanks
>> >>
>> >> Cal
>> >>
>> >>
>> >>
>> >> _________________________________________________________________________
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>> >>
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>> >>
>> >>
>> >> --
>> >> Atentamente,
>> >> Dario García
>> >> Consultor.
>> >>
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>> >>
>> >> 
>> >> 
>> >>
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>> >
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>> > 
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>> _________________________________________________________________________
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>>
>> 
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>
>
>
> --
> Anthony Minessale II
>
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> 
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