However, before attempting to deploy it on Windows 11, it is critical to understand its current lifecycle status:
Since CounterPath no longer hosts X-Lite files, you must rely on trusted software archives. Scan the downloaded .exe file with updated antivirus software before opening it. Step 2: Configure Windows 11 Compatibility Settings
As of mid-2026, X Lite builds (such as Optimum 11 24H2/25H2) offer advanced optimization features:
: Click on Softphone in the top menu and select Account Settings . x lite for windows 11
Click . Locate X-Lite or Bria in the list.
Do not download from random third-party sites. The original developer (CounterPath) was acquired by Alianza. You can find the archived version of (the last stable build) on trusted repositories like MajorGeeks or TechSpot . Note: The official "Bria" softphone is the paid successor, not the free X Lite.
Always scan the downloaded .msi or .exe file with Windows Defender or an enterprise antivirus tool before executing it. Step 2: Use Windows 11 Compatibility Mode However, before attempting to deploy it on Windows
For users who are comfortable navigating a new interface, moving to Bria Solo is the recommended path. It is fully compatible with Windows 11, receives regular security patches and updates, and provides a superior feature set, ensuring you have a reliable softphone for years to come.
Even though it is the free version, X-Lite packs a punch regarding features:
Excellent audio optimization, military-grade encryption options, and a clean user interface that blends well with the Windows 11 aesthetic. The original developer (CounterPath) was acquired by Alianza
Communication is the backbone of modern business. Voice over Internet Protocol (VoIP) technology has completely transformed how companies and individuals connect. For years, CounterPath’s X-Lite was one of the most recognizable and widely used free softphone applications on the market. It served as a gateway for users to make high-quality voice and video calls directly from their desktop computers.
: An open-source option featuring a modern UI and video call support.