I’ve been working in the Call Center Industry for years now and I've handled various campaigns for different nationalities as a Customer Service, Data Entry Specialist, Telemarketer, and Virtual Assistant.
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.