EUAlternatives
    X

    XPhone Connect

    A German unified communications platform offering integrated telephony, chat, and presence management for secure, on-premises business communication.

    DEGermany
    Headquarters
    🇩🇪Germany
    Data Hosting
    EU-based
    Structure
    Independent
    Compliance
    â–£GDPRâ—†EU HQâ–¦EU Data

    XPhone Connect key facts

    Last updated
    Headquarters
    Germany (DE)
    Ownership
    Independent
    Open source
    No
    US Cloud Act exposure
    Low (no US parent)
    Replaces
    Microsoft Teams, Cisco Webex, Zoom Phone, RingCentral, Google Meet, Slack

    About XPhone Connect

    C4B Com For Business AG is a German software manufacturer specializing in unified communications (UC) and collaboration. Its flagship platform, XPhone Connect, is designed to bridge the gap between traditional telephony and modern digital communication. The solution integrates seamlessly into existing PBX systems and IT infrastructures, providing a centralized interface for voice calls, instant messaging, presence status, and directory services. Based in Germering near Munich, the company emphasizes a 'Made in Germany' approach, prioritizing data sovereignty and legal compliance. XPhone Connect is specifically tailored to the European market, offering features like works council-compliant presence tracking and on-premises data storage. This makes it a preferred choice for sectors with high security and privacy requirements, such as public administration, healthcare, and manufacturing, where keeping communication data within the company's own network is paramount.

    Alternative to

    Microsoft TeamsCisco WebexZoom PhoneRingCentralGoogle MeetSlack

    Key Features

    Telephony integration (Softphone & AnyDevice)
    Presence management with works council compliance
    Business Chat and Federation
    Hotline management (TeamDesk & Team-Panel)
    CRM/ERP/Outlook integration
    Central contact search
    Mobile app support for remote work
    Screen sharing and collaboration tools

    Related Articles

    All articles
    Open Source

    Euro-Office 1.0: Europe's New Open-Source Answer to Microsoft 365

    Released on 9 June 2026, Euro-Office is an AGPL-licensed office suite forked from ONLYOFFICE and backed by Nextcloud, IONOS, and Proton. It gives businesses and public bodies a fully sovereign alternative for document collaboration.

    11 Jun 2026    Country Guides

    Austria's Sovereign Software Landscape: 10 Alternatives You Should Know

    Austria has quietly built a remarkable portfolio of sovereign software companies. From open-source virtualisation to AI research and encrypted document management, here are the Austrian-built tools challenging US tech giants.

    25 Mar 2026    Guides

    How to Build a Fully Sovereign European SaaS Stack

    A practical guide to replacing every major US SaaS tool with a European alternative, from email to analytics to project management.

    30 Jan 2026