Glossary
VoIP vs non-VoIP number
Definition
A classification based on which block a number was allocated from, either a VoIP block or a mobile carrier range; the delivery technology does not matter.
Why it matters
Range databases are queried by services, and this single distinction determines most verification outcomes. Mobile-range numbers are treated as people; VoIP-block numbers as disposable. Although both may be delivered over IP, the allocation, not the transport, defines the classification. A provider that will not tell you which block you are buying is almost certainly selling the second.
Related terms
- National numbering planThe published allocation of every number range in a country, defining which prefixes are mobile, geographic, toll-free or premium.
- Range databaseA commercial dataset mapping number ranges to carriers, line types and risk scores, queried by services deciding whether to accept a number.
Related reading
Sources
- ITU-T E.164 national numbering plans (Operational Bulletin annex) · International Telecommunication UnionPer-country numbering plans, mobile ranges, trunk prefixes
- ITU-T Recommendation E.212 — Mobile network identification · International Telecommunication UnionMobile country codes and network codes used to identify carriers
Part of the HushSMS glossary — 18 terms defined.