Once they reached their destination, the astronauts were captured by moon men and upon their escape, returned to Earth. It wasn't the first or last time fantasy would become real. Nor was it the first or last time prophetic science fiction would miss the space ship completely. A lot of movies have been conservative in the future of communications. Even when there are phone with visual capabilities, the callers have to sit at some sort of console.
Some people now have phones that are voice activated.
Russia was representative of a very egnamatic mysterious culture. It was also perceived as the incredibly potent enemy, who were either equal or surpassing us in power. The original radio version was broadcast in 1938, when the rising nemesis was not Russia but Germany. In the 1951 film, an alien lands in post-World War II America and tells Earthlings they must live peacefully or be destroyed as a danger to other planets. Surprisingly, the newly launched space program didn't have much effect on sci-fi.