Just checking to see if this is the designed behavior.  The SL module will 
attempt to match ACKs for stateless replies and handle them (absorb them?).

The question I have is that it looks as though this ACK gets counted as dropped 
by the core.drop_requests from the KEX module.   Tested using this config:

#!KAMAILIO

loadmodule "pv"
loadmodule "sl"
loadmodule "xlog"
loadmodule "kex"
loadmodule "corex"
loadmodule "ctl"

modparam("sl", "bind_tm", 0)

route {
    xinfo("[$ci] $rm Request. Src:[$si:$sp] RURI:[$ru] To:[$tu] From:[$fu]\n");
    sl_send_reply("404", "Not Found");
}

event_route[sl:filtered-ack] {
    xnotice("sl:filtered-ack ACK [$ci] to local reply absorbed\n");
}

Then validate by kamcmd stats.fetch core:drop_requests

Is this the designed and "correct" behavior?

Kaufman

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