We do one thing
Get the messages a business needs to send onto its users' phones, reliably
3 +
Carriers covered
Direct routes into China Mobile, Unicom and Telecom — integrate once and every number in China is reachable.
242 +
Destinations
Domestic and overseas share one console, so wherever the business expands, the routes follow.
800 +
Mobile operators
More than 800 mobile network operators already connected — no local provider to hunt down market by market.
API +
Fast integration
A standard HTTP API with delivery-receipt callbacks; one engineer finishes the integration in half a day.
Leave the messaging to a team that does only this
SMS looks simple. The difficulty lives in the details — route fluctuations, content restrictions, regional blocks. We take those on: routes are configured around your content and your audience, and when something goes wrong we switch and tell you. Your team gets to think about the message and the conversion instead.
7×24h
Support hours
15 years
In operation
Why we stay with SMS and nothing else
As push permissions keep narrowing, SMS remains one of the few channels that reaches a user directly.
Whatever apps someone uses, SMS sits at the same entry point. That is why it has stayed on the reach list for over a decade.
Nobody has to install your app or follow your account — a working number is enough. For a fresh lead or a long-dormant customer, this is often the only path still open.
As ad blocking and push permissions spread, the impressions that actually landed become impossible to verify. SMS arrives in the system inbox, and none of that sits in the way.
Carrier receipts come back message by message, and short-link clicks attribute to a specific batch. What you spent, what arrived and what was clicked can all be reconciled.
Official RedsmsBox contacts
Please rely on the details published on this site for anything about our business and services.
The only RedsmsBox WhatsApp number: +61468261966
The only RedsmsBox Telegram account
Frequently asked questions
What we cover, how to open an account, and what support looks like.
Business SMS delivery across four products: the China 106 route into all three carriers, international routes, dedicated regulated-category routes and SIM-based sending. Submit in bulk from the console or trigger from the API.