Hello,
On 07/21/08 14:30, Iñaki Baz Castillo wrote:
> (Sorry, I sent this mail to devel maillist)
>
>
>
> Hi, the first I do in my OpenSer script is:
>
> --------------------------------------------------------
> modparam("siptrace", "trace_flag", FLAG_SIPTRACE)
> modparam("siptrace", "trace_on", 1)
>
>
> route {
>
> ### SipTrace.
> if ! is_method("OPTIONS|REGISTER") {
> sip_trace();
> setflag(FLAG_SIPTRACE);
> }
>
> ...
> --------------------------------------------------------
>
> When an INVITE gets a 200 OK the UAC sends an ACK (end to end).
> This ACK from UAC to OpenSer is stored in 'sip_trace' table, but the same ACK
> from OpenSer to the UAS (in-dialog ACK) is not stored, why?
>
> Is there any reason for this? AFAIK this ACK is like any in-dialog request
> and 'sip_trace' stores correctly both legs of any in-dialog request, except
> in the case of an ACK for a 200 OK.
>
> Since the "special" treatment OpenSer performs in the ACK, maybe there is a
> technical issue that makes imposible ACK from OpenSer to UAS to appear
> in "sip_trace"?
>
the ACK is forwarded stateless, therefore the callback for relayed
messages from TM is not triggered. Future plans to overcome such
problems are due after the next release.
Cheers,
Daniel
--
Daniel-Constantin Mierla
http://www.asipto.com
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