Nucleus – the on-premise communication platform built for companies that need full control over their data. Designed as a secure alternative to Slack, it supports everything from daily team messaging to enterprise-level calling and task management and meets strict compliance requirements, including SOC II, GDPR, and HIPAA.
5,000+ businesses use AI phone agents handling 600M+ call minutes monthly
The platform powers AI phone agents for5,000+ businessesand handles over600 million call minutes each month.
On-Premise Deployment — SOC II, GDPR & HIPAA-Compliant Infrastructure
We developed Nucleus to run fully inside the client’s protected infrastructure. No data leaves the organization’s network, making it ideal for industries with strict security standards.
WebRTC & SIP Video/Audio Calls Over Cellular and Online Networks with Real-Time AI Translation
Nucleus supports high-quality WebRTC video and audio calls right in the browser. With SIP integration, users can place and receive cellular calls directly inside the platform, merging internal chats and external communication in one place. The app is available on web, iOS, and Android, ensuring seamless access across devices.
Workspace Chat with Task Tracking, Threads & Chat-to-SMS Bridging
We developed a rich messaging system that handles: • private and group chats • threads • SMS messaging (send and receive) • file sharing • message-based task creation Users can turn any message into a task or to-do item and track it through completion – no need to switch apps.
CRM/ERP Integration — Automated Sales, Support & Scheduling for Enterprises
Nucleus integrates with major CRMs and ERPs, letting teams automate calling workflows, customer support processes, scheduling flows, and sales operations. Combined with AI phone agents, it reduces manual workload and speeds up response times at scale.
Frequently Asked Questions
Explore what it takes to build an on-prem communication platform like Nucleus – from WebRTC calling to secure messaging and enterprise integrations.
How much does it cost to build an on-premise communication platform like Nucleus?
Can you build a system that runs fully inside our private network?
Can the platform support video and audio calls with WebRTC?
Is SIP calling difficult to integrate?
Can you add task management or workflow tools to chat messages?
Can the system send and receive SMS messages?
Can you build mobile apps for iOS and Android?
How long does it take to build something like Nucleus?
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