Real Time Telecom B.V.
Real Time Telecom builds and operates carrier-grade network software for MVNOs and operators.
IMS
A complete IMS core for VoLTE, with SMS over IMS, supplementary services and real-time charging. Runs as a managed platform or in your own environment, on top of the mobile core you already have.
Roaming sponsor hub
One connection that gives an MVNO outbound roaming through sponsor IMSIs. We run the signalling (SS7, Diameter, GTP, 5G SEPP) and handle steering, routing and rating.
Individual components
We also deliver single network functions and the glue between systems. One example is a Diameter to HTTP gateway that looks like an OCS to the network, so your billing platform can do online charging over a plain HTTP API.
Our products are built on SIPhon, our open-source SIP/IMS platform written in Rust. It is MIT-licensed, so you can see exactly what runs in your network.
We are a small team with 15+ years of running telecom infrastructure at carrier scale. You talk to the engineers who build and operate the platform.