[wfbarks]

WTOI - Walkie Talkies on Internet

[guessbest]

I think it is Radio over IP since a handie talkie is just a transceiver broadcasting a signal in half-duplex. I think a handie talkie may be even simpler in that it is broadcasting simplex.

https://en.wikipedia.org/wiki/Simplex_communication

Radio over IP

https://en.wikipedia.org/wiki/Radio_over_IP