1. The 10-Point Provider Evaluation Scorecard
Before depositing funds into any virtual phone number platform, evaluate its infrastructure against these 10 verifiable benchmarks:
| # | Evaluation Criterion | Red Flag (Low-Quality Provider) | Gold Standard (NEXUSOTP Standard) |
|---|---|---|---|
| 1 | SIM Architecture | Recycled VoIP / SIP trunks blocked by OpenAI & Google | 100% physical Non-VoIP cellular SIM pools |
| 2 | Currency & FX Transparency | Hidden 8–15% currency conversion markups & volatile tokens | 100% native USD ($) pricing (1 USDT = $1.00 USD, 0% fee) |
| 3 | Pre-Login Price Visibility | Forces account registration before showing service/country prices | Public interactive Country × Service USD Matrix |
| 4 | Timeout Refund Mechanism | Requires manual support tickets or forfeits expired credits | 100% automatic ledger refund after 10 minutes |
| 5 | Country Diversity | Single domestic country only | 24+ countries across North America, EU, APAC, LATAM & MEA |
| 6 | Same-Service Reuse Guard | Re-sells the same number for the same app to multiple users | Strict per-service number isolation |
| 7 | Concurrent Sessions | Limits users to 1 active number at a time | Up to 7 concurrent waiting numbers per user |
| 8 | Delivery Interface | Slow web polling that logs out on mobile browsers | Instant push delivery via Telegram Bot (@nexusotps_bot) |
| 9 | Minimum Deposit | $25–$50 minimum top-up | Low $10.00 USD minimum deposit |
| 10 | Security & 2FA Education | Falsely claims temporary numbers are permanent | Transparent 10-min session rules + free TOTP & E.164 tools |