Release Date: April 9, 2026
PortSIP PBX v22.5.1 is a maintenance release focused on stability and bug fixes.
This release addresses issues identified in production deployments and further improves platform reliability for service providers delivering UCaaS, CCaaS, and Cloud PBX services at scale.
New Features & Enhancements
- Updated the default date range filter from Last 28 Days to Last 30 Days for call reports.
- Added support for configuring a custom RPS server domain/host when using a private Yealink RPS account.
Bug Fixes
- Optimized Microsoft 365 user synchronization to prevent out-of-memory (OOM) issues when handling large directories with frequent updates.
- Fixed an issue where the callee display name was missing in CDRs when inbound calls were routed to system services (Ring Group, Call Queue, Virtual Receptionist).
- Fixed an issue where the date filter in the CDR and call recording views was displayed incorrectly in the web portal.
- Fixed an issue where the call end reason in CDRs was not correctly set when the callee terminated the call.
- Corrected incorrect UI text in the Abandon Delay report.
- Corrected incorrect column names in the Abandon Delay report.
- Fixed an issue where Fanvil Linkvil DECT phones were unable to use TCP transport.
Upgrade Instructions
To upgrade to v22.5.1 from a previous v22.x version, please follow the official upgrade guide:
Upgrade to the Latest Version Within v22.x
For more information or to download the latest release, please visit www.portsip.com or contact the PortSIP support team.
