Hello,

I am using exact same logic for which is define in this documentation and single device its working fine.
https://www.kamailio.org/events/2015-KamailioWorld/Day2/20-Federico.Cabiddu-Kamailio-In-A-Mobile-World.pdf

But seems like if multiple registration with same extension, like if extension 102 logged in mobile as well web. If web device registered and mobile is not registered with wss, then the Current transaction is not going to suspend due to its consider like there is only one location entry on location table.so only one Invite send to web and mobile its going to send notification but never get Invite, even it is going to register using push notification.

So below LOCATION function should be called and sending invite to registered extension and should be waiting for Other device as well. But in my case its consider like only one device is there and transaction is not suspending.

Could you check and suggest me which part of code need to improve to so i can make it working with registered device with parallel forking for adding new branch.

Here is my code.

modparam("registrar", "max_contacts", 10)
modparam("registrar", "append_branches", 1)
modparam("registrar", "use_path", 1)
modparam("registrar", "path_mode", 1)

loadmodule "tsilo.so"
modparam("tsilo", "use_domain", 1)

modparam("htable", "htable", "vtp=>size=100;autoexpire=30;")

# append branches or resume the transaction
route[PUSHJOIN] {
    $var(hjoin) = 0;
    lock("$tU");
    $var(hjoin) = $sht(vtp=>join::$tU);
    $var(hstored) = $sht(vtp=>stored::$tU);
    $sht(vtp=>join::$tU) = $null;
    unlock("$tU");
    if ($var(hjoin)==0)
    {
        if ($var(hstored))
            ts_append("location", "$tU");
        return;
    }
    $var(id_index) = $(var(hjoin){s.select,0,:}{s.int});
    $var(id_label) = $(var(hjoin){s.select,1,:}{s.int});
    t_continue("$var(id_index)", "$var(id_label)", "INVRESUME");
}

# lookup and relay after resuming transaction
route[INVRESUME] {
    lookup("location");
    xlog("L_INFO","[RESUME] rm=$rm ru=$ru du=$du \n");
    t_relay();
    ts_store();
    $sht(vtp=>stored::$rU) = 1;
    $sht(vtp=>id_index::$tu) = $null;
    $sht(vtp=>id_label::$tu) = $null;
    xlog("L_INFO","stored transaction [$T(id_index):$T(id_label)] $fU => $rU\n");
}

route[SUSPEND] {
    if ( !t_suspend() ) {
       xlog("L_ERROR","[SUSPEND]  failed suspending trasaction [$T(id_index):$T(id_label)]\n");
       send_reply("501", "Suspending error");
       exit;
    }
    xlog("L_INFO","[SUSPEND]  suspended transaction [$T(id_index):$T(id_label)] $fU=> $rU\n");
    $sht(vtp=>join::$rU) = "" + $T(id_index) + ":" + $T(id_label);
    xlog("L_INFO","htable key value [$sht(vtp=>join::$rU)]\n");
}

route[SENDPUSH] {
       $avp(platform) = $hdr(X-pn-platform);
       $var(headers) = "Content-Type: application/json\r\nAuthorization: Bearer 55466cc-c789-4a48-39c8-219ebaa1512f";
       $var(body) = "{\"user\": \"" + $rU + "\", " +
                                "\"platform\": \"" + $avp(platform) + "\"}";
        http_client_query("https://handlepush.xxx.com/v2/phone/call/send_notification_kamalio",
                        "$var(body)",
                        "$var(headers)",
                        "$var(res)");

}

# User location service
route[LOCATION] {

        if (!lookup("location"))
        {
            send_reply("100", "Trying");
            xlog("L_INFO","SUSPENDING TRANASACTION $fU => $rU\n");
            route(SUSPEND);
        }
        else
        {
            t_relay();
            ts_store();
            $sht(vtp=>stored::$rU) = 1;
            xlog("L_INFO","stored transaction [$T(id_index):$T(id_label)] $fU=> $rU\n");
        }
        route(SENDPUSH);
        exit;
}


        if (is_method("REGISTER") || from_uri==myself) {
                  xlog("L_INFO", "SAVING TO LOCATIONS $si:$sp\n");
                  if (!save("location")) {
                        sl_reply_error();
                  }
                  route(PUSHJOIN);
                exit;
        }

Can you help me to understand why parallel forking not working in this case ?

Thanks
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