Stop the telephone and mobile phone being invented- and what is the effect?

Today for a project i was told to describe a world in which mobile phones didn't exist, and what it would be like. After much thinking i realized hay, this sound Alternate historyish.... so i decided to get the good people of this site to help me and work out a plausible way of stopping the invention of mobile phones and working out exactly what the modern world would look like!

As so many modern inventions stem from mobile phone technology, we may be less advanced, and also, thinking outside the box, the telephone has led to world changing decisions..... like messing up the Schliffen plan for example.

so then people, give me your ideas!

My current TL " a brave new world: Dinosaurs not quite wiped out...
https://www.alternatehistory.com/discussion/showthread.php?t=253267
 
As a communications engineer, it is my professional opinion that in a world where both the telegraph and the "tin can phone" both exist, the electrical telephone is an inevitable combination of the two technologies. The latter was invented in the late 17th century, but I guess could probably be handwaved away without too many butterflies. Taking away electrical telegraph, though, is a whole 'nother What If. Oh, this also probably butterflies the existence of music transmission by radio, as electromechanical speakers and microphones were invented for the telephone, and if they were invented separately, it would take about 30 seconds before someone coupled them to the telegraph network.

Mobile phones are easier to remove. While wireless communication is inevitable, and modern system requires a lot of fairly complicated routing work. Get rid of Hedy Lamarr's frequency hopping scheme, get rid of cheap computing, get rid of a couple of key computer scientists, and it wouldn't be too hard to prevent. Of course, this has serious impact on any kind of Internet or large computer networks - again, the concepts are too similar, and one would almost certainly lea to the other.
 
As a communications engineer, it is my professional opinion that in a world where both the telegraph and the "tin can phone" both exist, the electrical telephone is an inevitable combination of the two technologies. The latter was invented in the late 17th century, but I guess could probably be handwaved away without too many butterflies. Taking away electrical telegraph, though, is a whole 'nother What If. Oh, this also probably butterflies the existence of music transmission by radio, as electromechanical speakers and microphones were invented for the telephone, and if they were invented separately, it would take about 30 seconds before someone coupled them to the telegraph network.

Mobile phones are easier to remove. While wireless communication is inevitable, and modern system requires a lot of fairly complicated routing work. Get rid of Hedy Lamarr's frequency hopping scheme, get rid of cheap computing, get rid of a couple of key computer scientists, and it wouldn't be too hard to prevent. Of course, this has serious impact on any kind of Internet or large computer networks - again, the concepts are too similar, and one would almost certainly lea to the other.

Interesting..... thanks for your thoughts!
 
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