Does CartBounty support Early Capture of mobile phone number?

I have been looking at the getting started guide to figure out if the early capture “Add to cart” popup can capture the user’s phone number as well as email address, or does it not support both email and phone number?

In the guide, it looks like the early capture “Add to cart” popup only supports email address and not mobile phone number. Is this the case?

I really need early capture of both mobile phone and email as in most of the world where internet is primarily on mobile, people rarely check email, while text messages are always being checked.