I've been working for a couple of years now as a Telemarketer, almost a year in Marketing field (but not online). I have worked for various types of businesses from small to large companies; cold calling, appointment setting, sending info and followed up calls are some of the tasks.
Onlinejobs.ph "ID Proof" indicates if "they are who they say they are".
It DOES NOT indicate skill level.
ID Proof scores are 0 - 99 with 99 being the best. It is calculated based on dozens of data points.
It's intended to help employers know who they're talking to is real, and not a fake identity.