The latest release of VitalPBX, version 4.2.0 R6 (September 25, 2025), delivers important improvements in provisioning, API handling, and system stability. This update ensures administrators and developers benefit from smoother operations, stronger integrations, and broader device compatibility.
Let’s dive into what’s new in this release.
New Features in VitalPBX 4.2.0 R6
Expanded Provisioning Support
Device provisioning has been expanded to include more industry-leading IP phones:
Yealink AX86R is now supported.
Fanvil models added: V61W, V62 Pro, V62W, X303-2 Wire, and W610W.
Fanvil V65 keys count updated for accuracy.
Fanvil V66 account provisioning refined for smoother deployment.
Time format values refreshed for Fanvil V series devices.
With these updates, VitalPBX continues to simplify the deployment of modern IP telephony hardware for businesses of all sizes.
Stronger Security with PJSIP ACLs
PJSIP ACL handling has been extended to include contact-level ACLs, giving administrators finer control over SIP security and access management .
Improved REST API Handling
Developers will appreciate improvements to the REST client, which now includes:
Stronger error handling
Clearer exception codes
This makes integrations with CRMs, third-party apps, and automation platforms more reliable than ever.
Sonata Suite Enhancements
The Sonata Recordings module receives two key improvements:
Smoother form UX with real-time button toggling during submission.
Search_calls fix to block multiple clicks and restore button states after table reload .
These updates streamline workflows for supervisors and agents managing call recordings.
Asterisk and Core Updates
Asterisk updated to version 18.26.4 for stronger performance and security.
User permissions streamlined for easier role management.
Noisy AMI events filtered out, reducing unnecessary background processes.
Fixes and Optimizations
Several critical fixes enhance overall stability:
Cron job (vpbxcleanold_logs) corrected to prevent xargs errors when no files are found.
InnoDB buffer pool size assignment fixed in the vitalpbx script.
My Voicemail DataTables responsiveness improved with proper action handling.
Why Upgrade to VitalPBX 4.2.0 R6?
This release delivers meaningful improvements across the platform:
Better provisioning for Yealink and Fanvil phones.
Improved security with contact-level ACLs.
Developer-friendly REST API with stronger error handling.
Smoother Sonata Suite experience for managing recordings.
Core system upgrades with Asterisk 18.26.4 and cleaner user permissions.
Critical bug fixes for cron jobs, database handling, and UI responsiveness.
Whether you’re a system administrator managing endpoints, a call center supervisor analyzing recordings, or a developer integrating with external platforms, this update improves both reliability and usability.
How to Update to VitalPBX 4.2.0 R6
Updating is simple:
Log in as admin to your PBX.
Navigate to Admin > Updates > Check for Updates .
Apply the update and restart services if required.
⚠️ Pro Tip: Always perform a system backup before upgrading.
Final Thoughts
With VitalPBX 4.2.0 R6, businesses gain stronger provisioning options, enhanced API reliability, and important system fixes. These improvements keep VitalPBX a top choice for organizations seeking a secure, flexible, and enterprise-grade PBX solution.
Upgrade today to benefit from the latest improvements and keep your PBX running at peak performance.
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