I had a similar situation, i hate talking over the phone. I knew in advance i would be stuttering so i said im in a middle of another call on teams let me email you instead. I know its not a solution for me cant always hide but we have to deal with it eternally so might as well be as crafty as possible. Just know that a lot of us feel and endure the same stuff. I am finishing my internship and next week for 4 hours i have to present standing next to my posterboard for a lot of people. I will be doing the same presentation over and over and over. Now am i frustrated about it, of course . Do i know if i am going to fuck it up, definitely, however if i can find that tone and rhythm were i am stutter free, with less blockings i should be fine and thats my challenge