How to force a faster response to Join Request

In my setup, several Kerlink IOT stations are connected to a server running in AWS. The gateway-bridges are running on the gateways. The gateways are connected to the server via Mobile Internet. The ping time between the gateway and the server is under 400ms. When I monitor the lorawan frames of the gateway, the Join Accept happens roughly 5 seconds after the Join Request. Is this normal behavior? The parameters of the network server are the following:




Any help is appreciated.

After some digging in the LoraWAN specifications I found this must be 5 seconds for RX1 and 1 more second for RX2. So I close this issue.

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