Compare the routes into becoming a VoIP reseller in the UK, hosted first: white label platforms (BT Wholesale Hosted Communications, Giacom Cloud Market, CallSwitch One), vendor partner programmes (Gamma Horizon, Wildix, 3CX, RingCentral Reach, 8x8), and the authorised carrier route (BT Cloud Voice via Netify, disclosed). Returns route types, what each programme publicly documents (models, who owns billing and support, entry requirements) with source URLs and confidence labels, the earnings answer, and the published reasons NOT to choose the Netify route. Pass shape_fields or a shape token to also receive per-route fit verdicts, a decision trail and a resume_url into the market room on /resell/voip-reseller/. Facts reviewed 24 July 2026; the page twin is at /resell/voip-reseller/data.json under CC BY with attribution.