Secure your Windows Servers' outbound connections. Configure your Windows Server to use more secure ciphers and protocols for outbound HTTPS connections. If your Windows Server is kept at default TLS client settings, it can prefer to initiate TLS1.0 client connections instead of TLS1.3. Why is TLS1.0 Insecure? This matters because TLS1.0 can negotiate protocols that are conside [...]
Restoring encrypted connectivity after an auto-renewal failure. For all 3CX-provided FQDNs, SSL certificates are configured to be automatically updated. This ensures that your 3CX remains secure, auto-renewing well before expiry. However, if for some reason your 3CX system is unable to reach out to trigger and complete the auto-renewal, you will have to force the renewal. Follo [...]
How business communication is really changing in 2026. For many years, business telephony was little more than a basic utility. It worked — or it didn’t. Calls came in, were forwarded, ended up in a queue or voicemail. Functional, but passive. That era is over. With the rise of AI, communication is shifting from a reactive infrastructure to an active participant in business pro [...]
Background information for configuring SSL Certificate files correctly. We regularly see questions about error messages relating to SSL certificate issues - typically that your certificate is not trusted. In most cases, the root cause is that the certificate file contains only your server's certificate. Keeping your Certificate Safe When you receive your certificate files, you [...]
Firmware updates for Yealink & Snom. The latest IP Phone firmware updates for Yealink & Snom have been released, and are fully tested with V20. These updates come with a number of bug fixes. Please see the release notes for Yealink and Snom. Firmware Updates for V20 Yealink T4xU series: 108.87.0.22 T5x series: 96.87.0.22 T7x, T8x series: 185.87.0.37 T58W: 150.87.0.20 CP [...]
Platform optimizations, contact handling improvements and usability fixes. 3CX Android App V5.5 Beta (Build 16) introduces internal platform updates alongside a strong set of contact, calling and UI improvements. This release focuses on stability, compatibility and day-to-day usability enhancements. Read on for the full details. Platform & Stability Improvements This update [...]
Team filter in the Panel and Web Client configuration updates. 3CX Softphone V5.5 Beta (Build 1095) introduces improvements to extension management and configuration, alongside a strong set of stability fixes and usability enhancements. Read on for a breakdown of what’s new in this beta release. Team Filter in the Panel This beta release introduces a Team filter in the Panel, a [...]
Full iOS 26 support, performance improvements and stability fixes. The latest 3CX iOS App Beta introduces official support for iOS 26, ensuring full compatibility with Apple’s newest operating system. Alongside OS support, this release includes performance enhancements and a comprehensive set of calling, messaging and contact-related fixes. Read on for the full breakdown. Full [...]
Dual 2026 recognition for Call Center Software. We are proud to announce that 3CX has been recognized by the industry’s top authorities, earning 3CX a spot on the 2026 Capterra Shortlist and the Software Advice FrontRunners for Call Center software. These accolades are a direct result of our commitment to the global business community. Being recognized by both Capterra and Soft [...]
Guided installation of your WhatsApp SIP Trunk. 3CX V20 Update 8 now brings WhatsApp Inbound calls to your PBX, expanding on the messaging integration. Reach out to the millions of WhatsApp users worldwide by adding WhatsApp SIP Calling to your PBX - effectively giving callers the equivalent of FreePhone calling from anywhere on the globe. Your WhatsApp number set up as SIP Tru [...]
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