There was a missing internal flag set at some point, but it should be fixed in 5.5 branch as well, be sure you run the latest version there.

Cheers,
Daniel

on 5.5 kamailio wiki for core it is stated that return (0) is the same as exit. but that's not true 

request_route {

    if (route(POS)){

        xlog("POS PASS\r\n");

    }

    if (!route(NEG)){

        xlog("NEG PASS\r\n");

    }

    if (!route(ZERO)) {

        xlog("ZERO PASS\r\n");

    }

    xlog("AFTER ZERO\r\n");

    send_reply("400","Error");

    return;

}

route[POS]{

    return 1;

}

route[NEG]{

    return -1;

}

route[ZERO] {

    return 0;

}

for example from the config above not only ZERO PASS will be printed but also all the actions after route(ZERO) are still executed.

instead if i replace return 0 with exit in route[ZERO]. this work as expected.

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