Linphone Review 2025: Pricing, Features, Pros & Cons, Ratings & More

Linphone is a versatile open source VoIP softphone designed to facilitate high-quality voice and video communication over the internet. It operates as a SIP client compatible with multiple platforms including Windows, macOS, Linux, Android, and iOS, providing flexibility for companies with diverse device environments. Its support for numerous codecs ensures it can maintain call quality while adapting to varying network conditions and bandwidth limitations.

Security features are a critical aspect of Linphone, offering end-to-end encryption through protocols like ZRTP and SRTP. This focus on privacy and secure communication channels is essential for businesses handling sensitive information, helping to safeguard voice and video data from interception or tampering.

The software supports multiple SIP accounts simultaneously, enabling enterprises to manage various phone lines or service providers within a single interface. Common telephony functions such as call transfer, hold, forwarding, and conference calling are fully integrated, enhancing workflow and collaboration capabilities in professional settings.

Linphone’s open-source nature encourages transparency and customization, allowing organizations to review and modify the source code to meet specific security requirements or operational policies. This aspect also fosters community-driven improvements, which can enhance the software’s reliability and feature set over time. For companies seeking to embed VoIP functionality directly into their applications, Linphone provides a comprehensive software development kit with APIs for call control and media management.

Its user-friendly interface includes essential telephony tools like contact management, call history, and voicemail integration, designed to streamline communication tasks. Presence information helps users quickly identify the availability of colleagues, supporting more efficient interactions.

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Overall, Linphone combines robust Linphone SIP client features with open-source flexibility and strong security measures, making it a practical choice for companies seeking a customizable and secure VoIP platform.

There is no publicly available pricing information for Linphone software. Interested users are advised to contact the vendor directly for detailed pricing and plan options.

• Open-source software enabling customization and modification for specific communication needs
• Cross-platform compatibility including Windows, macOS, Linux, Android, and iOS
• High-quality voice and video calls using SIP protocol for broad device and service interoperability
• End-to-end encryption for voice, video, and instant messaging to ensure secure communications
• Support for multiple simultaneous SIP accounts for managing personal and professional use within one app

• Outdated and less intuitive user interface compared to newer VoIP apps
• Complex setup process, especially for non-technical users configuring SIP and network settings
• Inconsistent audio and video call quality on unstable networks due to limited error correction
• Limited integration with popular third-party communication platforms
• Lack of advanced encryption beyond basic SIP TLS and SRTP

Linphone delivers a comprehensive suite of communication tools designed for efficient and secure voice and video interactions across multiple platforms. Its robust features support seamless connectivity, customization, and advanced call management, making it a versatile choice for businesses seeking reliable VoIP solutions.

• VoIP Calls: Enables high-quality audio calls over the internet using the Session Initiation Protocol (SIP).
• Video Calling: Supports HD video streams to enhance remote communication experiences.
• Instant Messaging: Facilitates sending and receiving text messages within the same application for unified communication.
• End-to-End Encryption: Secures voice and video calls with protocols such as SRTP and ZRTP to protect privacy.
• Cross-Platform Compatibility: Available on Windows, macOS, Linux, Android, and iOS, allowing communication across devices.
• Multiple SIP Accounts: Allows users to manage several identities simultaneously within one client.
• Contact List with Presence Indicators: Displays real-time availability status of contacts for better coordination.
• Call Transfer: Provides functionality to redirect ongoing calls to other contacts without interruption.
• Call Recording: Enables local saving of audio calls for documentation or compliance needs.
• Conference Calls: Supports multi-participant voice and video sessions for group communication.
• Advanced Codec Management: Optimizes audio quality and bandwidth using codecs like Opus, G.711, and Speex.
• Automatic NAT Traversal: Maintains call connectivity behind firewalls with STUN, TURN, and ICE techniques.
• UI Customization and Address Book Integration: Offers interface personalization and syncing with external contact lists.
• DTMF Signaling Support: Compatible with both in-band and out-of-band modes for interacting with automated systems.
• Call Quality Monitoring: Provides real-time diagnostics and statistics to assess connection performance.
• Video Orientation and Mirror Mode: Ensures correct display alignment during video calls.
• Echo Cancellation: Improves audio clarity by reducing feedback and background noise.
• Custom Ring Tones and Notifications: Allows personalization of alerts to suit user preferences.
• Presence Subscriptions and Notifications: Keeps users updated on their contacts’ status changes dynamically.
• Built-in Dialer with Intelligent Search: Facilitates quick contact lookup and number dialing.
• SIP SIMPLE Support: Extends messaging capabilities to include file transfer and rich text messaging.
• Open Source Architecture: Ensures transparency and community-driven development.
• IPv6 Support: Compatible with modern network infrastructures.
• Bluetooth and External Audio Device Support: Enhances mobile call handling flexibility.
• System Notification Integration: Provides timely alerts for incoming calls and messages on desktop and mobile.
• Automatic Reconnection: Attempts to restore calls after network interruptions to maintain continuity.
• Developer API: Allows embedding Linphone functionalities into custom applications or services.
• Adaptive Video Resolution: Dynamically adjusts video quality based on network conditions.
• SIP SIMPLE Presence Publication: Enables broadcasting user status to others.
• Multilingual Support: Offers localization to accommodate a global user base.
• Modular Architecture: Facilitates the addition of new features and protocols over time.

Linphone offers a robust set of advantages that cater to a wide range of business communication needs. The following overview highlights key benefits, helping prospective customers understand how this VoIP solution can enhance their connectivity, security, and cost efficiency.

• Customizable and open-source: Linphone’s open-source design gives companies the freedom to tailor the software to their unique workflows without worrying about licensing constraints. This flexibility allows seamless integration with existing systems and specialized business applications.
• Wide device compatibility: Supporting Windows, macOS, Linux, Android, and iOS, Linphone ensures consistent communication across desktops and mobile devices. This cross-platform reach facilitates collaboration among teams regardless of their preferred hardware.
• Advanced security protocols: With end-to-end encryption via ZRTP and SRTP, Linphone prioritizes secure voice and video calls. Businesses can confidently protect sensitive information without compromising usability.
• Seamless multi-call handling: The software supports simultaneous calls with features like hold, transfer, and conference, enabling efficient multitasking and improved communication workflows in fast-paced environments.
• Integration with telephony infrastructure: Companies can connect Linphone to PBX and other SIP-based networks, streamlining communication within existing telephony frameworks and reducing the need for costly hardware upgrades.
• Resource-efficient performance: Optimized codecs and adaptive bitrate control allow Linphone to maintain call quality even on limited bandwidth, making it ideal for businesses with variable network conditions or remote offices.
• Active community and continuous improvements: The open-source nature ensures ongoing development and support, with frequent updates and a dedicated user base contributing to stability and feature enhancements.
• Cost-effective solution: As a free and open-source platform, Linphone eliminates licensing fees, offering significant savings compared to proprietary alternatives while still supporting integration with existing SIP providers.

When considering Linphone for your company’s communication needs, I find its open-source foundation particularly appealing for customization and interoperability. The Linphone VoIP app review highlights its compatibility across all major platforms—Windows, macOS, Linux, Android, and iOS—which means you can deploy it widely without worrying about device restrictions. This flexibility is a real asset if your workforce uses varied hardware or if you want to avoid vendor lock-in.

From my experience, Linphone’s strict adherence to SIP protocols ensures smooth integration with existing VoIP services and SIP servers. This makes it easier to fit into your current telephony infrastructure, especially if you run a PBX system. The ability to manage voice, video calls, and instant messaging all in one client simplifies communication workflows, though the interface is more functional than flashy. It may take some time for less technical staff to get comfortable, but if your team values capability over polish, this isn’t a deal-breaker.

Security is a strong point I’ve noticed, with Linphone offering end-to-end encryption via protocols like ZRTP and SRTP. For businesses handling sensitive conversations, this level of protection is crucial. While setting up these features might require some technical knowledge, the open-source nature means your IT team can audit and tweak security measures independently—something that many proprietary solutions can’t match. This transparency builds trust in the software’s reliability.

Performance-wise, Linphone generally delivers stable call quality, though I recommend testing it under your specific network conditions. Variations in hardware and connectivity, especially on mobile devices, can affect the experience. Still, the active developer community behind Linphone means ongoing updates and improvements, which is encouraging for long-term use. This community-driven approach supports adaptability and responsiveness to user needs.

For companies seeking a comprehensive communication tool with strong customization options, Linphone features and pricing analysis often reveal it as a cost-effective choice since it avoids expensive licenses. If your business also needs insights into other software solutions, I’d suggest checking out this article on the top fms for schools to compare how different platforms handle specialized needs.

Linphone’s open-source design offers extensive flexibility, making it ideal for companies seeking customizable business communication solutions with Linphone that can adapt to unique operational needs.

• Technology Startups: These innovative firms leverage Linphone to embed VoIP features into their products without hefty licensing costs, benefiting from an adaptable platform that supports rapid development cycles.
• Healthcare Providers: Hospitals and telemedicine services rely on Linphone’s encrypted communications and SIP compliance to securely handle sensitive patient information, ensuring compliance with regulations like HIPAA.
• Educational Institutions: Universities and e-learning platforms use Linphone’s multi-platform support to enable virtual classrooms and seamless remote collaboration integrated with existing learning systems.
• Small and Medium-Sized Enterprises (SMEs): SMEs replace traditional telephony with Linphone’s affordable VoIP, reducing overhead through compatibility with standard SIP servers and avoiding proprietary hardware expenses.
• Call Centers: Customer support operations benefit from Linphone’s SIP trunk compatibility and customizable interface, which can integrate with CRM tools to enhance workflow and customer interaction management.
• Government Agencies: Public sector entities adopt Linphone for secure internal communications, valuing its open codebase for thorough security audits and compliance with strict confidentiality standards.
• Nonprofit Organizations: NGOs operating in resource-limited areas utilize Linphone’s internet-based SIP integration to maintain global communication channels cost-effectively, aligning with their collaborative and budget-conscious environments.
• Manufacturing and Industrial Firms: These companies depend on Linphone for reliable, low-latency voice communication over local networks, integrating smoothly with existing infrastructure for operational continuity.
• Media and Broadcasting Companies: Media firms capitalize on Linphone’s real-time voice and video features to coordinate remote teams and field reporters, customizing the platform to fit fast-paced production workflows.

Exploring the landscape of popular software can also be useful when considering Linphone’s fit for your company. For example, learning about which erp software is popular might provide complementary insights to ensure your communication tools align with broader business systems.

Across these diverse sectors, the adaptability and security of Linphone remain central strengths, allowing companies to tailor their communication infrastructure while maintaining control and cost-effectiveness. This versatility underscores why many organizations prioritize Linphone when evaluating business communication solutions with Linphone.