[OpenSER-Users] Formation of ACKs?

[Marcello Lupo]

Hi,
are you sure that Openser is processing the ACK packet with t_relay() to 
match it against existing transaction?
This is the same issue i had 2 days ago and solved putting a:

        if (method=="CANCEL" || method=="ACK") {
                route(1);
                return;
       }

in my main routing block. The route[1] is route block that process 
request with t_relay().
Before i didn't put the ACK in the if clause but only the CANCEL.
Hope to helped,
Bye,
Marcello


Tobias Lindgren wrote:
> Hello all,
>
> I'm having problems with ACKs not beeing matched to an ongoing call, 
> thus OpenSER resends a 487 many times.
>
> My question is, would OpenSER deny an ACK depending on how the headers 
> are sorted in the packet? Eg. if the VIA-header is found at the end of 
> the packet? How does it actually match the 487 and the ACK?
>
> Packet from proxy that OpenSER doesn't seem to match:
> User-Agent: hotsip-transactron
> Max-Forwards: 70
> Content-Length: 0
> To: <sip:123456 at domain2.se>;tag=1499854882
> From: "PBX" <sip:654321 at domain1.se>;tag=as2fa86da4
> Call-ID: 22079ed445536bea109aefc410164bb5 at domain1.se
> CSeq: 103 ACK
> Via: SIP/2.0/UDP 
> 192.168.0.1:5060;branch=z9hG4bK-81056ef2a1e003b87474dfaa6a5e7959;rport=5060
>
> Br,
> /Tobias
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