[Freeswitch-users] SIP dialogue mismatch when pinging FS with SIPp UA

[Victor Chukalovskiy]

Yes, that's right...the problem was with branch incrementing. Thanks a lot!

On 13-07-25 04:40 PM, Anthony Minessale wrote:
> Gonna guess the branch in via or the CSeq needs to be updated because 
> its still 1 in the ACK
>
>
>
> On Thu, Jul 25, 2013 at 3:20 PM, Victor Chukalovskiy 
> <victor.chukalovskiy at gmail.com <mailto:victor.chukalovskiy at gmail.com>> 
> wrote:
>
>     Hello,
>
>     Freeswitch for some reason ignores UA's ACK and keeps
>     re-transmitting 483 response (as per attached example). I suspect
>     dialogue mismatch, but don't see anything abnormal in the ACK.
>     From: To: and Call-ID: all match!
>
>     Could someone with good eyes help find what makes FS unhappy about
>     the ACK? Enabling debug output did not not reveal anything (FS
>     does not print any debug output when receiving the ACK).
>
>     SIP call flow:
>     UA     --INVITE-->         FS
>     UA     <--100 Trying --   FS
>     UA     <--483--             FS
>     UA     --ACK-->             FS
>     And here is what I don't like:
>     UA     <--483--             FS
>     UA     <--483--             FS
>     UA     <--483--             FS
>     ....
>
>
>     UA is my SIPp that's set to ping FS with INVITE and expects 483 in
>     response (or any rejection that I like). This is needed to monitor
>     call processing (FS uses mod_lcr to return error channel like 483,
>     so this will allow me to ping mod_sofia as well as mod_lcr).
>
>     Any help is appreciated.
>
>     Thank you,
>     Victor
>
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> -- 
> Anthony Minessale II
>
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