Maybe you could keep a hash with messages’ checksum and discard duplicates?
But this is something you should fix on the device that is doing the wrong thing.
On Thu, 17 Jan 2019 at 07:03, Mojtaba <mespio@gmail.com> wrote:
Hello 
As you will know i am developing new module for Kamailio and i'll commit on main project as soon as. Let me give more news about this module later. 
But i wanna to share with you one thing, if you were in my shoes, what do you to found out duplicated signalling? I don't mean retransmision messages.
Let's go to question: In kamailio, you could get a copy of signalling message that is generated by siptrace module in other one kamailio. We know it would be send some signalling messages twice or more in duplicate( I mean 180Ringing, 200OK or etc), How we could found out them? Actually i must do it in module not do in cfg configuration.
Would you please give me a suggest? I really need a sugest with no extra overhead.
With regards.Mojtaba
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