Professional meetings
One click is enough – HD video, audio and screen sharing without extra tools.
Platform
SIPONA: meetings, telephony, CRM and teamwork in one web app hosted in Germany
The business communications platform for Europe
More than just collaboration.
SIPONA brings meetings, telephony, CRM, documents and teamwork together on one platform – without extra tools or media breaks. SIPONA runs as a web app in the browser with no installation on end devices. Operation uses hosting in Germany (Digital Realty Düsseldorf); see the privacy policy for how data is processed.
The business communications platform for Europe
More than just collaboration.
SIPONA brings together many capabilities for collaboration on one platform – without extra tools or media breaks. SIPONA requires no installation and is ready to use in the browser as a web app, independent of operating system.
- Video & voice meetings
- Projects & tasks
- Document management
- Chat & telephony
- Contacts & calendar
- CRM system
Operation & Infrastructure
From a single source: dus.net GmbH, hosting in Germany
SIPONA is a product of dus.net GmbH - a telecommunications company registered in Germany. SIPONA is operated in Germany, in its own racks at the Digital Realty Düsseldorf data centre location. The platform and AI run on its own infrastructure - without a third-party cloud and without third-party AI.
Product of dus.net GmbH
Registered telecommunications company with its own security concept.
Own racks in Düsseldorf
Data centre location Digital Realty Düsseldorf, access exclusively by dus.net GmbH.
Own telecommunications
dus.net GmbH's own telecommunications facilities; external carriers only for termination.
No external cloud, no external AI
Platform and AI on own infrastructure - without outsourcing to hyperscalers or third-party AI.
Professional meetings
No compromises – professional meetings
Start video and voice meetings with one click – no extra tools, no hassle. HD video, audio and screen sharing in one platform.
Telephony & SIP
Telephony into worldwide networks
Call worldwide directly from SIPONA – reliably, with high voice quality and without an extra PBX.
CRM & sales
CRM – from first contact to closing the deal
Manage customers, contacts and sales processes directly in SIPONA – centrally, clearly and without extra systems.
Documents & knowledge
Document management for your team
Structured document management – clear, always accessible and integrated into your workflows.
Calendar
Your calendar – central and connected
Schedule appointments, meetings and tasks directly in SIPONA – aligned with your team and seamlessly linked to your communication.
Contacts
Contacts under control
Manage all contacts and companies centrally in SIPONA – with full context for communication, sales and teamwork.
Projects & tasks
From task to outcome
Plan, organise and track projects and tasks transparently and aligned across the team.
Activities
Every activity in view
Calls, meetings and follow-ups are captured centrally – for traceable customer relationships and clear next steps.
SIPONA is ready to use in the browser as a web app
No installation on devices – secure, fast and consistent across operating systems.
Core capabilities
Telephony & SIP
Reach worldwide with integrated SIP telephony and add-on flat rates.
CRM & sales
Contacts, leads, pipelines and activities right next to your communication.
Documents & knowledge
Central document management with permissions and team context.
Projects & tasks
Planning and tracking tasks and projects across the team.
Working time recording included
Free module within the platform, designed for legally compliant working time recording.
Hosted in Germany
Operation by dus.net GmbH in its own racks - platform without external cloud and without external AI.
Introductory prices until Tuesday, 30 June 2026 inclusive
All prices are net plus VAT; details and ordering in the portal.
SIPONA Meet
EUR 1,49 / month per user
- Video & voice meetings (including groups)
- Real-time chat
- Screen sharing
- Presence display
- Basic file attachments
- Telephony features
- DE/EU flat-rate channels available as add-ons
- 1× geographic number per user
- Tenant / user management
SIPONA Team
EUR 9,90 / month per user
everything in Meet +
- Fax packages available as add-ons
- Contacts
- Calendar
- Tasks
- Projects
- Document management
- Activity stream
- Polls
SIPONA Enterprise
EUR 29,90 / month per user
everything in Team +
CRM areas such as
- Companies
- Contacts
- Leads
- Opportunities
- Activities
- Follow-ups
- Pipelines
- Reports
- Cross-company collaboration
- Self-sufficient companies, intelligently connected
SIPONA compared to Teams, Slack and Zoom
Introductory prices apply until Tuesday, 30 June 2026 inclusive. After that, per user licence: Meet – EUR 5.90 · Team – EUR 16.90 · Enterprise – EUR 39.90
All prices are net plus 19% VAT.
Exactly according to the current service offering – see the order portal for details.
Orientation & next steps
Sustainability
SIPONA is a product of dus.net GmbH and is operated in Germany at the Digital Realty Düsseldorf site.
To sustainability and hosting in GermanyWhy SIPONA?
SIPONA is more than a meetings and chat platform – it is your central workspace for communication, collaboration and sales.
To why SIPONA and product benefits