phone anxiety 

When someone is quite uncomfortable talking on the phone, they tend to get nervous or forget what to say

These individuals would rather text or use social media to contact others

Toby has such bad phone anxiety he doesn't even like to call his girlfriend but would rather text her and leave it at that

phone anxiety by S.Saladbar April 19, 2014

Phone anxiety 

The feeling that causes you to use your phone while among friends who are already on theirs.

Hermann: "Franz, did you see how Christofer was just staring at his phone without using it?”

Franz: "I think you texty texters gave him phone anxiety."

Phone anxiety by fc3s,vf700,92si September 4, 2014

PCA (Phone Call Anxiety) 

A person who becomes anxious when making a phone call or when someone is calling them, resulting in them screening the call or just texting as a result . Most commonly seen with millennials who much rather text than make or answer a phone call.

"What's with you constantly screening my calls, we were just texting one another?"

"You clearly have PCA (Phone Call Anxiety)"

PCA (Phone Call Anxiety) by Uncle_Danny September 21, 2018