The phrase "beta signups" refers to the process of registering or indicating interest in participating in a beta version or test of a product, usually software or a service. Full definition
After it's initial beta signup saw 100,000 registrations in the first 24 hours, the dev team knew it had a hit on it's hands. (glitchcat.com)
After a couple of months of teasing, Closed Beta signup for Warface has finally begun! (news.mmosite.com)
Heck, I'll bet that folks will STILL fall for fake beta signups even if TPCI sends an alert to every single mobile device on the planet to not fall for such a thing. (gonintendo.com)