RailComms
Closed beta
For SimSig · Windows

Realistic signaller-to-driver comms, built for SimSig.

RailComms is a virtual GSM-R radio for SimSig. Drivers call you with real AI voices over authentic radio static — you answer, decide, and reply by speaking. Hands-free signalling, the way it actually sounds.

See how it works Screenshots

App is in closed beta and is not available to purchase yet.

  • One-time purchase
  • Free updates for life
  • Windows 10 / 11
RailComms handling a driver call — the driver's spoken message with numbered signaller reply options and a hold-PTT-to-speak prompt
16 AI driver voices
180–3.4k Hz GSM-R bandpass
PTT Voice replies

Features

A real signaller's toolkit.

Everything you need to run a busy panel by radio — nothing you don't.

16 AI driver voices

British, Indian, Irish & Australian accents — sub-second latency.

GSM-R radio FX

Bandpass, PTT clicks and carrier hiss. Office calls play clean.

Push-to-talk replies

Hold a key, speak — your words matched to the right reply.

Multiplayer calls

Player-to-player WebRTC voice, LAN or cloud relay.

Browser remote

Run the whole panel from an iPad or any device on your network.

Smart alerts

Red-signal trains, one-shot auto-wait, auto-detected failures.

See it in action

Real screenshots, not mock-ups.

A live SimSig session on Basingstoke Main.

RailComms Comms panel — a driver call with spoken message and numbered signaller reply options
Answer. Decide. Reply by voice. The driver speaks over GSM-R radio FX; you get the exact signaller wordings — hold to talk, or click.
Incoming calls, waiting trains, one-tap toolbar.
Incoming calls, waiting trains, one-tap toolbar.
Every train in the sim, tracked live.
Every train in the sim, tracked live.
Dial control, shunters — or another player.
Dial control, shunters — or another player.
A categorised, filterable message log.
A categorised, filterable message log.

How it works

First call answered in under a minute.

  1. 01

    Connect

    Install, enter your initials, hit Connect to the SimSig gateway.

  2. 02

    A driver calls

    Ringing, then a real voice over radio static. You hit Answer.

  3. 03

    Reply

    Speak or click — RailComms voices it back and closes the call.

Pricing

One price. One file. Yours forever.

No subscription. No login. No telemetry. Buy it once, install it on your machine, and get every future update free.

Lifetime licence
£19.99 one-time

Everything in RailComms. No upsells, no tiers.

App is in closed beta and is not available to purchase yet.

  • 16 AI driver voices (Online Voice Server)
  • GSM-R radio FX, ambience, ringtone
  • Cloud speech recognition for voice replies
  • Multiplayer WebRTC voice calls
  • Browser remote control (iPad / tablet)
  • Train alerts, auto-wait, failure detection
  • SimSig dialog cleanup on exit
  • Free updates for life

Windows 10 / 11. Internet recommended for AI voices and STT (offline fallbacks included).