Unified Communications
Bring calls, collaboration and messaging together in one cloud platform — wherever your teams work.
Communications built for the way you work now.
Hybrid teams need to reach each other and your customers from anywhere, on any device. Our cloud communications bring calling, collaboration and messaging into a single platform — with deep Microsoft integration and the reliability of our own network behind every call.
VoiceLogic
Our fully-featured cloud communications platform, purpose-built for business calling and collaboration.
Learn moreSIP Trunks
Flexible, scalable SIP connectivity to modernise your existing phone system at your own pace.
Learn moreMicrosoft Teams Phone
Turn Microsoft Teams into your business phone system with full enterprise calling.
Learn moreMicrosoft Direct Routing
Connect Teams to the public phone network through our carrier network for reliable, cost-effective calling.
Learn moreWhy businesses choose Stream for communications
One platform, everywhere
Calls, chat and meetings unified across desk, mobile and desktop.
Seamless Microsoft integration
Make Teams your phone system with enterprise-grade calling built in.
Scales with your team
Add users and sites in minutes — you only pay for what you use.
Which communications product is right for you?
| Product | Best for | Hardware needed | Microsoft Teams integration |
|---|---|---|---|
| VoiceLogic | A complete cloud calling & collaboration platform | No | Optional |
| SIP Trunks | Modernising an existing on-site phone system | Existing PBX | No |
| Microsoft Teams Phone | Teams-first organisations wanting native calling | No | Native |
| Microsoft Direct Routing | Connecting Teams to the phone network via our carrier network | No | Native |
Unified Communications, answered
What is unified communications?
Do I need new hardware to switch?
Can I keep my existing phone numbers?
How does this integrate with Microsoft Teams?
What happens if my internet connection drops?
Business Connectivity
Leased lines, broadband and SD-WAN, backed by our carrier-grade network.
Learn moreIoT Communications
Managed SIM connectivity for sensors, meters and connected devices.
Learn moreManaged IT
Expert IT support and consultancy that keeps your teams productive.
Learn moreCyber Security
CyberShield — managed, always-on security that detects, defends and responds.
Learn moreCloud Hosting
The Stream Cloud — resilient, UK-based infrastructure for business continuity.
Learn moreManaged WiFi
Reliable, secure wireless coverage across your sites, including private 5G.
Learn moreReady to talk unified communications?
Our team will help you scope the right solution for your business and get you connected — with support that's always on.