FusionSIP
EDNT GmbH Productivity iPhoneiPadiPod touch
FusionSIP is a free Productivity app for iPhone and iPad by EDNT GmbH. Requires iOS 15.0. Updated October 7, 2026.
- Price
- Free
- on the App Store
- Size
- 11 MB
- Age 4+
- Updated
- Oct 7
- 2026 · v2.1.0
Screenshots
About FusionSIP
FusionSIP: The Mobile SIP Client for FusionPBX FusionSIP is the ideal mobile solution for users of the open-source FusionPBX phone system. Simple, flexible, and powerful - FusionSIP keeps you perfectly connected on the go. Highlights: Easy Setup: Configure via QR code or manual SIP data entry. Seamless Integration: Direct connection to FusionPBX via the EDNT Softphone API, which provides all necessary data. Cutting-Edge Technology: Supports push notifications, IPv4, and IPv6. Powerful Features: Extension selection Hold, call switching, and call forwarding (unattended & attended) Conference calling BLF and status display for colleagues Public and private phonebooks (local and server-based) Server-based call history, notes, and scheduling (private & public) Integrated chat (requires XMPP server) FusionPBX voicemail management Full fax support (send & receive) Manage call forwarding and block lists Customizable codecs, volume control, and Bluetooth support User-friendly design with Light & Dark Mode For Businesses & Offices: FusionSIP is also available in a desktop version, including interfaces to ERP and CRM systems. On request, the app can be custom-branded and tailored to your needs. Who is FusionSIP for? FusionSIP is specifically designed for businesses that use FusionPBX, providing a reliable, user-friendly solution for efficient communication—anytime, anywhere. For Resellers: Upon request, the softphone can be branded, customized, and discounted. Download now and experience the full power of FusionPBX in the palm of your hand! Important Note: The FusionSIP soft client can only be used in combination with the EDNT SoftPhone API and FusionPBX. For a generic softphone solution, EDNT offers the Smart-SIP-Phone, which works as a SIP client immediately with any PBX or phone system.
What’s new
Version 2.1.0 · Updated October 7, 2026
- Redesigned fax view with zoom and sharing - Redesigned mailbox - Appearance, accent color, and name format in Theme settings - Improved call transfer during a conversation - Clearer selection menus in settings - Better call audio quality - Local contacts now show the correct name and photo in calls, history, and scheduled calls - Notes work with several calls at once - No false missed-call alert when switching extensions - Contact search is faster and no longer keeps old results after clearing - Various dark-mode display issues fixed - Further stability and display fixes
App privacy
The developer, EDNT GmbH, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to FusionSIP
Looking for apps like FusionSIP? Here are 6 similar apps on the App Store. The highest rated is SIPERB - Mobile Softphone (5.0/5), and all 6 are free to download.
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SIPERB - Mobile Softphone
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Flex Call Manager
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VoIPXS CallManager
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Bria - VoIP Softphone
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HPE Instant On
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| FusionSIP | – | Free | October 7, 2026 | |
| SIPERB - Mobile Softphone | 5.0 / 5 (1) | Free | Aug 11, 2026 | Compare |
| Fixed Line | 5.0 / 5 (1) | Free | Jun 18, 2026 | Compare |
| Flex Call Manager | – | Free | Aug 5, 2024 | Compare |
| VoIPXS CallManager | – | Free | Apr 19, 2024 | Compare |
| Bria - VoIP Softphone | 4.5 / 5 (995) | Free | Aug 21, 2026 | Compare |
| HPE Instant On | 3.4 / 5 (17) | Free | Sep 29, 2026 | Compare |
Compare FusionSIP with the top alternatives: ratings, updates, ASO score and keyword gaps →