I have been with the BPO industry for almost 12years now and i've handled accounts for local and internation internet provider which is dealing with troubleshooting their internet connection,
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.