Linphone: the professional softphone

Designed for MSPs, ITSPs, and VoIP operators

Linphone: the all-in-one softphone for MSPs and ITSPs

Enhance your VoIP offering with a modern, robust, and customizable softphone

For over 15 years, Belledonne Communications has supported unified communications providers with Linphone, a modern, mobile, open-source VoIP solution designed to fit the service models of Managed Service Providers (MSP), Internet Telephony Service Providers (ITSP), and Voice over IP operators (VoIP operator).

Easy to deploy and fully customizable, Linphone offers an intuitive interface, a centralized management console, remote configuration, and dedicated technical support. Everything you need to enhance and add value to your VoIP services while benefiting from expert guidance.

Offer a professional softphone

To enhance your VoIP offering and replace DECT phones.

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Deploy a tailored VoIP solution

Adaptable to your clients’ specific needs.

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Bring mobility to your clients

Mobile apps with native push notification support.

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Make setup easier for users

Administration platform to automate configuration.

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Offer your clients a reliable and scalable softphone

The softphone is your clients’ gateway to your VoIP services. Its smooth performance and user-friendly design build trust and enhance the value of your platform, whether you are an MSP managing multi-client services or a VoIP operator expanding a telecom offering. With Linphone, provide an intuitive and professional application, suitable for desktop use, remote work, and mobility, with all advanced calling features: call hold, call transfer, multi-account management, and more. A software alternative to SIP and DECT phones, designed for modern use cases and to enrich your offerings.

Cost reduction: pay-as-you-go model, no license fees, volume-based pricing

Interoperability: compatible with Kamailio, Asterisk, FreePBX, Freeswitch…

Excellent user experience: modern interface, intuitive and easy to use

Open source: transparency, autonomy, and no vendor lock-in

Features

White-label

An application adaptable to your needs and those of your clients

Whether you are an ITSP looking to offer a competitive VoIP service, a telephony service provider aiming to enhance your offerings, or an MSP needing a customizable SaaS solution, Linphone integrates seamlessly into your technical environment. Designed to accommodate diverse use cases, it provides full customization to meet your clients’ specific needs.

Key Features

Linphone’s main features include:

Authentication modes: Choose between Digest or single sign-on (SSO) via OpenID Connect.
Protocols and codecs: Select audio and video codecs, with configurable encryption protocols.
Integration with company directories: Compatible with LDAP and CardDAV for simplified contact management and synchronization.
Infrastructure management: Configure your own messaging server (share configuration files, password recovery mechanisms) or use the built-in server.
Feature control: Maintain full control over enabling or disabling features—audio calls only, video, chat, or conferencing. Remote configuration allows locking application settings to ensure optimal operation with your SIP service and reduce user errors.

Customization Options

Beyond its features, you can tailor the user experience for each of your clients: choose a theme to adapt the app’s colors, or go further with a white-label version.

Customization options include:

White-label branding
Selectable features: audio, video, chat, conferencing…
Advanced configuration: lock settings, choose authentication mechanisms, etc.
Interoperability: compatible with widely used open-source SIP servers such as Kamailio, Asterisk, FreePBX, Freeswitch, and more.
Technical support for integration and configuration.

White-label

A mobile VoIP app, always accessible

Enable Linphone push notifications for your service, allowing your users to stay reachable on their smartphones at all times.

Push notifications: compatible with Apple (APNS) and Google (Firebase) to stay always reachable.

Mobile expertise: native iOS and Android apps, with over 10 years of experience in real-time mobile communication.

Quick deployment: the app is ready to use. Download from app stores and configure automatically via QR code for immediate integration with your SIP server.

Multi-device: works on smartphones, tablets, and foldable phones.

Ergonomic design: an intuitive interface, easy for your users to navigate.

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A centralized management console

Manage your users, configure settings, and simplify Linphone deployment with an intuitive administration console.

Available as a turnkey web platform, or via a REST API to integrate with your existing account management tool.

Remote provisioning

Easily adapt Linphone settings to your SIP service.

Simplified deployment

Share links or QR codes for quick, bulk installation.

Operational time savings

Focus on your core business with an intuitive interface and support from a dedicated project manager.

Integration flexibility

Available as a ready-to-use web platform or via REST API to integrate with your existing tools.

Centralized management platform

Interoperable solution with all your SIP servers

Linphone integrates easily into existing VoIP infrastructures. Compatible with most SIP servers (Asterisk, Kamailio, FreeSWITCH, etc.), it adapts to your technical stack.

Standardized technology

Based on protocols such as SIP

Server interoperability

Works with various types of servers: Proxies, IP-PBXs, SBCs

Modular solution

Step-by-step feature addition (chat, conferencing, etc.)

Discover Flexisip

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Open source

Rely on a transparent and reliable solution, ensuring your technological freedom.

High-quality support

Benefit from the expertise of our specialists in telecommunication protocols and application development.

Why choose Linphone?

Modularity

Adapt Linphone to your needs by keeping only the features essential for your use.

Support & guidance

Choose comprehensive support, from consulting to full deployment.

+15years

of expertise in VoIP and SIP

+750K

Linphone users worldwide

+900K

mobile app downloads

Adaptable and scalable infrastructure

Flexible hosting

Available as SaaS, on-premise, or private cloud, Linphone adapts to all your technical requirements.

Multi-tenant

Ideal for managing multiple subdomains and clients from a single instance.

Try it and you’ll love it

Test Linphone in your environment and explore its key features: mobility, remote administration, interoperability… A license-free, commitment-free solution, designed for MSPs and ITSPs before any deployment.

Request a trial in my environment