I think he is offering, phone verification services for listed providers in OP and others, some websites allow accounts after phone number verification, OP is claiming that he can verify phone numbers for your accounts. OP should also provide details on which countries he can verify phone numbers for.
Also a note to anyone who uses this service, phone verification gives the phone identifier access to the account.
I think people can make fake phone numbers with google voice without buying such services. This is definitely more towards the blackhat side of the internet. Also a note to anyone who uses this service, phone verification gives the phone identifier access to the account.
