how to disable talk call audio voice " May be call recording for training session" when start call?

When start zendesk talk call welcome voice starting in middle "May be call recording for training session" need to disable how can I achieve it .

is it possible it disable training session voice .when start call from customer .

added link: https://drive.google.com/file/d/1IysQVgXe4iDeGS5q63nJPAgqL57Yytl6/view?usp=sharing 

Thanks