Allow to send a datagram to a remote location, andoptionallyreceive a datagram as answer. Main use case is to checkthat acorrect NAT/firewall configuration is setup to access a UDPserverfrom a public address, when there is no possible access toamachine that can call from the outside.
![FM Synthesizer [SynprezFM II] 2.3.6-release](https://cdn.apk-cloud.com/detail/image/com.synprez.fm-w130.png)