Cable TV & IPTV operators
SRT to UDP for the cable headend
Receive SRT contribution and convert it to clean UDP multicast for your multiplexers, QAM and set-top boxes — an affordable gateway built for 24/7 channel delivery.
The problem
Contribution arrives over SRT — your headend speaks UDP multicast
SRT is the reliable way to bring a channel across the internet or a managed WAN, but it is point-to-point: it can't feed a headend on its own. Your multiplexers, edge QAM and set-top boxes expect UDP multicast on the local network.
SRT Gateway by CEF bridges that gap affordably: a Raspberry Pi or Linux appliance receives the SRT (or HLS) contribution in caller mode and republishes it as clean UDP multicast for the headend — with automatic failover, per-program monitoring and a cloud fleet panel, so a channel or a whole lineup stays on air 24/7.
Architecture
From SRT contribution to multicast distribution
Why operators choose it
Headend-grade delivery, without headend-grade hardware bills
Keep channels on air
A backup source takes over automatically when a contribution link drops — subscribers never see a black screen.
Know before the NOC calls
Per-program bitrate, packet loss and RTT, live — with email alerts on signal loss, black screen or pixelation.
Run every headend from one panel
Monitor and configure every gateway across every head-end remotely, from one cloud dashboard.
FAQ
Cable & IPTV headend questions
How do I convert an SRT contribution feed to UDP multicast?
Point the gateway at your SRT source in caller mode — a full multiplex or a single program — and set a UDP multicast output. It demuxes the stream and republishes clean UDP multicast that your multiplexers, QAM modulators and set-top boxes consume directly, with no separate hardware gateway.
What happens if a contribution link fails?
Configure a primary and a backup source. Failover switches to the backup and auto-reconnects when a feed drops, and email alerts notify your NOC the moment a program goes out of range.
Which hardware fits a cable operator?
Raspberry Pi 4 or Pi 5 handle up to 20 streams each (with HDMI output on the Pi 5); a Linux server scales to up to 250 streams and also offers HDMI. All of them are managed from the same cloud fleet panel.
Ready to convert SRT & HLS to UDP — reliably, 24/7?
Get a live demo, or see how affordable a fleet of gateways can be.