I am knowledgeable in Science, Nursing related subjects, patient care, have been in a call center industry for more than a year. My support is a back office one and we do email and chat. I also took calls before.
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.