Cisco CCSP Certifications Exam 642-552

Some of these 640-863 directories require voice verification of ownership when you register phone numbers. Others do not require verification or have dispute resolution policies which deal with disputes on a case-by-case 642-446 basis.
Another less serious but still important consideration is the possibility that your information will be harvested from the database, or sold by the database owner. ENUM information may be valuable to advertisers or phone spammers, as it would provide them with a list of 642-552 valid phone numbers, and allow them to call for free via IP.