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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.

FusionSIP vs. alternatives
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

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