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Insights, guides, and updates from the JoltSMS team

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37 articles found

Account Management

How Platforms Detect VoIP and Disposable Numbers (and Flag Your Logins)

Platforms detect VoIP and disposable numbers with carrier lookups, prefix ranges, porting history and behavior; use a real‑SIM mobile number to avoid verification failures.

December 8, 2025•18 min read

Account Management

Disposable vs Temporary vs Long-Term Rental Phone Numbers

Compare disposable, temporary, and long-term rental numbers for SMS verification: costs, duration, security, and platform acceptance.

Blog - JoltSMS

Blog

How Platforms Detect VoIP and Disposable Numbers (and Flag Your Logins)

Disposable vs Temporary vs Long-Term Rental Phone Numbers

How Platforms Detect VoIP and Disposable Numbers (and Flag Your Logins)

Disposable vs Temporary vs Long-Term Rental Phone Numbers

Why Uber Blocks VoIP Numbers for Verification

How to Rent Long-Term SMS Numbers for Business

How to Create Walmart Account Without Phone Number

Real-SIM vs. VoIP for Walmart SMS Verification

Y Combinator Application: The Phone Number Strategy No One Talks About

Business Credit Card Applications: Why Banks Reject VoIP Numbers

This Phone Number Cannot Be Used' - The Ultimate Fix Guide

Remote Team Phone Management: Share OTPs Without Sharing Personal Numbers

Setting Up Your Startup's Tech Stack: The Phone Number You Actually Need

Grasshopper, RingCentral, Dialpad: Why They All Fail at SMS Verification