SOVEREIGN UNIFIED COMMUNICATIONS

Communications you own. Comms that can’t go dark.

Bulwark Voice Suite keeps your voice, video, messaging and emergency alerts on your own servers, inside your walls — encrypted, self-hosted, and running even when the internet or the cloud goes down. Your primary system where the cloud can’t reach; your resilient layer everywhere else.

Keep Teams for daily chat — Bulwark is the layer underneath that has to keep working.

Book a one-day pilot See how it works
Runs fully offline
Your data never leaves your walls
Live in one day
Continuity status live
☁️ Microsoft Teams · cloud outage
☁️ Zoom · cloud unreachable
— internet link dropped · failing over —
🛡️ Bulwark Voice Suite · on-prem operational
Calls up
0
Offline
0%
Nodes active
0

Deploy it your way

A resilient layer under what you already run — or your whole backbone where the cloud can’t go.

YOUR RESILIENT LAYER
Keep Teams. Add Bulwark underneath.
Keep Teams, Slack or your PBX for everyday work. Bulwark carries the mission-critical voice, video and emergency alerts that have to survive an outage, a cyberattack or an audit — on your own servers, with zero rip-and-replace.
YOUR PRIMARY SYSTEM
Where the cloud can’t reach.
In air-gapped, sovereign and remote sites — defence, classified, ships, field operations — cloud tools simply can’t run. There, Bulwark is your entire communications backbone: voice, video, messaging and alerts, fully offline.
Start underneath, grow into primary. Begin with the comms that must never go dark, then promote Bulwark to your main system whenever you’re ready — flat, capacity-based licensing means no per-seat tax caps how far it spreads.

Three reasons it’s worth owning

Not a feature list — the outcomes a board actually signs off on.

Absolute data sovereignty
Every call, recording and byte stays on your servers, inside your walls. No cloud, no phone-home, no third party in the path — and nothing to subpoena off someone else’s platform.
Zero internet dependency
Offline-first by design. When the link drops or the cloud goes dark, voice, video and emergency alerts keep running from the same box — no failover scramble, no dropped calls.
Flat, predictable cost
One capacity-based licence. No per-seat SaaS tax, no surprise renewals, no bill that grows every time you hire. Budget it once and own it.
Want the engineering underneath — active-active clustering, TLS/SRTP, hash-chained audit trails? See the platform →

Prove it in one day

No rip-and-replace. No access to your core infrastructure. Just proof.

ONE-DAY PILOT

Give us one day and one isolated segment.

We stand up a live Bulwark node on an isolated network segment — with zero access to your production systems — and prove total offline survival: calls, video and emergency alerts running with the internet physically pulled. At the end of the day, you keep it or we tear it down.

One isolated VLAN
A single segment we agree on — nothing touches production.
Zero core access
No credentials, no inbound paths into your infrastructure.
Internet pulled, live
We cut the link in front of you and the calls keep flowing.
Keep it or wipe it
Your call at the end of the day — no lock-in, no residue.
Book a one-day pilot →

Products

Our own platform — plus the services around it.

FLAGSHIP

Bulwark Voice Suite

Our self-hosted unified communications platform: VoIP, video conferencing, WebRTC, presence and messaging, with complete enterprise call control. You own it — encrypted by default, highly available, and able to run completely offline, from one signed installer.

Voice & video
SIP phones, VC rooms and browser WebRTC in one engine.
Call control
Hunt groups, ACD queues, IVR, voicemail, presence & IM.
Secure & HA
TLS/SRTP, RBAC, 2FA, audit; 1–4 node active-active.
Self-hosted
On-prem or private cloud, fully offline-capable.
Explore Bulwark Voice Suite →
LIVE

DropPilot for 3CX

Automated call termination, dialer control and policy enforcement for 3CX environments.

  • Timeout enforcement
  • Listed / exception logic
  • Operational logs
  • Admin workflows
Open Portal →

Horizon Core

Multi-vendor communication control layer: observability, automation, and auditability.

  • Pipeline engine
  • Event-driven automation
  • Auditability-first
  • Extensible integrations
See the Platform →