Stuttering conversation or skipping every other second

I purchased a new cell phone. LG Stylo 5 Now after setting up the ringcentral app every call i make cuts out every other second both for me and for the customer. I am sure it is something I need to set up differently, but I have no idea which setting would cause this. I have my old device, a samsung galaxy A10e which is working perfectly, so it has to be a setting in my new phone. Can anyone point me in the right direction?