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3CX V20 · Mirrored locally, reviewed by VoIPSetu

3CX Updates & Change Log

Every 3CX V20 build, RC, beta and security hotfix — stored locally, tagged, and contextualised for VoIPSetu customers. Know what changed before you upgrade.

Latest:Update 9 RC4 · Build 20.0.9.987 · June 2026

Why we mirror this. As a premium 3CX add-on built by 20-year veterans, every VoIPSetu customer’s success depends on a smooth 3CX upgrade path. We keep a local copy of the official change log here so you can quickly scan what landed in the latest RC, beta or security patch — and decide when to roll it into production.

VoIPSetu integrates with 3CX only through the official xAPI. Every update below is compatible with your VoIPSetu installation — no action required on your side. For the canonical source, always cross-check on 3cx.com.

  • updatedUpdated Spitfire Template.
  • updatedUpdated SIP.US Template.
  • updatedUpdated Zendesk CRM Template due to enforcement made by Zendesk related to expiration (reconfiguration is required).
  • fixedFixed the exception caused by switching a VoIP Provider template.
  • fixedFixed dialer being given focus, causing pick-up calls unintentionally.

+ 2 more changes in this build

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  • fixedFixed an issue where summaries were always generated in English, regardless of the transcription language supported by Grok.
  • fixedFixed an installation failure caused by a missing VC++ redistributable package.
  • fixedFixed an issue where recordings with existing transcriptions could not be downloaded if they were archived.
  • fixedFixed an issue with “See Presence” where per-user disabling was not updating correctly due to recent API changes.

Full change list above

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  • addedAdded Fanvil Hotel template.
  • addedAdded Fanvil X-Series and W-Series template.
  • addedAdded Sirius VoIP template.
  • fixedFixed Rejecting an internal direct call from one device keeps ringing the second device.
  • fixedFixed Rebound enabled — call cannot be forwarded to mobile number.

+ 12 more changes in this build

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3CX Version 20, Update 8 RC3, Build 20.0.8.1101, January 2026

January 2026Build 20.0.8.1101Update 8 RC3
  • updatedUpdated Gemini model handling: retired gemini-2.0-flash-lite. After updating, the PBX will automatically use gemini-2.5-flash-lite.
  • updatedUpdated template for Destiny Flux.
  • updatedUpdated template for Twilio.
  • updatedUpdated template for Deutsche Telekom (CompanyFlex).
  • fixedFixed an issue where the Gateway Service could enter a loop and cause high CPU usage during disconnection/reconnection scenarios.

+ 2 more changes in this build

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3CX Version 20, Update 8 RC2, Build 20.0.8.1089, January 2026

January 2026Build 20.0.8.1089Update 8 RC2
  • addedAdded support for ICTGlobe (new).
  • addedAdded FREE PRO support (new).
  • addedAdded and optimized indexing tasks for Data Connectors (PostgreSQL, MySQL, and Microsoft SQL Server).
  • updatedImproved robustness and performance of CDR post-processing.
  • updatedImproved avatar matching and call history icons when a contact exists in both Personal and CRM phonebooks.

+ 11 more changes in this build

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3CX Version 20, Update 8 Beta 2, Build 20.0.8.1019, December 2025

December 2025Build 20.0.8.1019Update 8 Beta 2
  • securityAdded extra TLS logging and improved TLS diagnostics in reSIProcate.
  • addedAdded/updated Gigaset DECT templates (N770 new; N610/N670/N870 updated).
  • updatedUpdated PostgreSQL.
  • updatedUpdated templates based on SIP Tester checks.
  • fixedFixed the queue transcription setting being ignored when a call is picked up.

+ 17 more changes in this build

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3CX Version 20, Update 8 Beta, Build 20.0.8.878, November 2025

November 2025Build 20.0.8.878Update 8 Beta
  • updatedImproved synchronization of MS365 user account details.
  • updatedImproved alignment of Talking Time / Ringing Time between exported CSV call records and Web Client view.
  • updatedUpdated template for Yealink DECT W60B.
  • updatedUpdated template for Drei SIP Connect.
  • updatedUpdated template for Koesio.

+ 10 more changes in this build

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3CX Version 20, Update 7 Hotfix, Build 20.0.7.1080, November 2025

November 2025Build 20.0.7.1080Update 7 Hotfix
  • fixedFixed issue where low logging levels prevented use of the second outbound route.
  • fixedFixed Voicemail Indicator (MWI) and improved reliability for unauthenticated SMTP servers to update promptly.
  • fixedFixed compression and cleanup to maintain stable disk usage.
  • fixedFixed timeouts in FTP/FTPS Backups
  • fixedFixed Queue Manager with calls now correctly terminate when queues become unattended.

+ 2 more changes in this build

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3CX Version 20, Update 8 Alpha, Build 20.0.8.680, October 2025

October 2025Build 20.0.8.680Update 8 Alpha
  • otherNew Vodafone IP-based template.
  • addedAdded users/extensions counter to the dashboard.
  • addedAdded sentiment analysis in CRM Call Journaling when calls are transcribed.
  • addedAdded Chinese language support to the 3CX Transcription Engine.
  • updatedImproved Data Connectors.

+ 13 more changes in this build

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  • addedAdded protection to prevent queues from being looped.
  • addedAdded tracking of active calls to protect against delays inside Queue Manager to prevent stuck calls.
  • fixedFixed issue with microphone settings not saving due to recent Chromium changes.
  • fixedFixed issues with custom time zone filters when searching recordings.
  • fixedFixed Intro prompt no longer continues playing when call is routed to Destination No Answer.

+ 3 more changes in this build

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3CX Version 20, Update 7 RC2, Build 20.0.7.1019, September 2025

September 2025Build 20.0.7.1019Update 7 RC2
  • addedAdded firmwares for T73U, T73W, T74U, T74W, T77U, T85W, T87W
  • updatedUpdated Peoplefone CH.
  • fixedFixed Admin Console crash caused by incorrect user agents.
  • fixedFixed Call Manager crash when a route pointed to non-existent extensions.
  • fixedFixed Web Meeting report issue when a participant was rejected by the organizer.

+ 9 more changes in this build

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  • updatedImproved failover stability on Windows service restarts.
  • fixedFixed rare scenarios where a queue call was polled and at the same time redirected to destination no answer.
  • fixedFixed pickups for Q calls via 3CX Softphone no longer marked as abandoned.
  • fixedFixed talking time now updates correctly after pickup.
  • fixedFixed call manager crash in rare cases when performing barge in calls while a call ends simultaneously.

+ 7 more changes in this build

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  • addedAdded time element to custom range filters.
  • addedAdded SBC editor with settings and push configuration.
  • addedAdded retry policy for OpenAI transcription.
  • addedAdded a language selector for 3CX Transcription.
  • addedAdded audio by Mark RTP traffic originating from PBX as VoIP.

+ 33 more changes in this build

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  • addedAdded new SIP Trunk Provider Sinch Elastic SIP Trunking.
  • otherIntroduced new filters for 'Detailed Queue Statistics' and 'Team Queue General Statistics'.
  • updatedImproved reliability for saving prompts.
  • updatedImproved searching for names in Apps Recents.
  • updatedUpdated template for 3C1B Telekom.

+ 9 more changes in this build

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  • addedAdded Orange Business Talk/BTIP.
  • addedAdded total amount of calls in the Queue Answered by Waiting time report.
  • addedAdded banners in Web Client.
  • addedAdded Data Connectors for Multi-Company Mode.
  • updatedImproved Queue, Queue Performance and Ring Group Reports.

+ 11 more changes in this build

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  • addedAdded the ability to have a retry policy for data connectors.
  • updatedUpdated PostgreSQL for Windows to 15.12-2.
  • fixedFixed reporting export for Inbound Call & Outbound Call reports to show correct timestamps.
  • fixedFixed filtering for reports where Inbound Calls were incorrectly setting count for unanswered calls.
  • fixedFixed error messages for replacing a commercial key.

+ 6 more changes in this build

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  • updatedUpdated translations and help links.
  • fixedFixed issue with email templates.
  • fixedFixed the issue with chat avatars when coming from older builds.
  • fixedFixed 'Hide User' when enabled in multi-edit.
  • fixedFixed DECT/FXS allowing more than 100 users.

Full change list above

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3CX Version 20, Update 5 Release Candidate 1, Build 20.0.5.538, February 2025

February 2025Build 20.0.5.538Update 5 Release Candidate 1
  • fixedFixed QR Code provisioning for mobile apps using Desktop App.
  • fixedFixed the generated results when enabling "Monitor Connection Quality" with scores set to "Unknown."
  • fixedFixed Private Video Conferencing when the license is downgraded.
  • fixedFixed various issues with calendar events using Google Workspace integration.

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3CX Version 20, Update 5 Beta 2, Build 20.0.5.527, February 2025

February 2025Build 20.0.5.527Update 5 Beta 2
  • addedAdded Itel Solutions SIP Trunk.
  • updatedUpdated Peoplefone Polska.
  • fixedFixed issue with API providing 403 Forbidden for Shared Parking.
  • fixedFixed adding of Generic IP Phones failing due to missing codecs.
  • fixedFixed Assignments of DIDs on the endpoint. The limit has been increased from 100 to 1000.

+ 10 more changes in this build

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3CX Version 20, Update 5 Beta, Build 20.0.5.506, January 2025

January 2025Build 20.0.5.506Update 5 Beta
  • addedAdded Fanvil Router IP Phones.
  • addedAdded "Multi-Company" in the Dashboard when enabled.
  • addedAdded Call Processing script routing in IVR editors when Multi-Company is enabled.
  • updatedUpdated DSTNY provider template.
  • updatedUpdated list of supported languages for Google Speech.

+ 10 more changes in this build

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3CX Version 20, Update 4 Beta, Build 20.0.4.484, November 2024

November 2024Build 20.0.4.484Update 4 Beta
  • addedAdded Informative information about Transcription when having no Call Recordings enabled.
  • addedAdded Information about Transcription setting being used when user, ring group and queue follows the department settings.
  • addedAdded response to transcription in case the transcript file is too short.
  • addedAdded Help Link for new Yealink AX Series.
  • updatedUpdated Redist Package for Windows installs.

+ 2 more changes in this build

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3CX Version 20, Update 4 Alpha, Build 20.0.4.472, November 2024

November 2024Build 20.0.4.472Update 4 Alpha
  • addedAdded PWA Richer UI install for WebClient.
  • addedAdded a button to delete M365 Personal contacts in the Phonebook page.
  • addedAdded automatic log out hot desking phones in System > Options > Scheduler.
  • addedAdded Zendesk V2.
  • updatedUpdated.NET 4.8.

+ 22 more changes in this build

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3CX Version 20, Update 3 Beta, Build 20.0.3.762, September 2024

September 2024Build 20.0.3.762Update 3 Beta
  • addedAdded BLF support for user export/import.
  • addedAdded support for Import /Export 3CX Talk.
  • addedAdded support to download multiple recordings and incase of some failure report it.
  • addedAdded warning when changing SBC Department.
  • addedAdded Quickline AG.

+ 19 more changes in this build

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3CX Version 20, Update 3 Alpha, Build 20.0.3.659, August 2024

August 2024Build 20.0.3.659Update 3 Alpha
  • addedAdded Shared Parking slots in Call Forwarding & Exceptions.
  • addedAdded Sliding of events to event log when task to clean up triggers.
  • addedAdded ability to download multiple recordings.
  • addedAdded SBC version in editor of SBC.
  • addedAdded Voicemail Transcription does not work for Ring Groups and Queues.

+ 38 more changes in this build

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  • updatedImproved web meeting synchronization.
  • fixedFixed exception triggering an internal service crash due to load.
  • fixedFixed Web Client dialing state when triggered dialing via Smartphone.
  • fixedFixed search lookup in case of recordings related to Conference.

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  • addedAdded Link to MS Store for Windows Softphone in Welcome Emails.
  • addedAdded Telxi UK Supported.
  • otherAbility to upload “Holidays” prompts for each holiday.
  • updatedImproved requests for Recordings.
  • fixedFixed CID rules not accepting ranges or wildcards.

+ 6 more changes in this build

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  • fixedFixed issues with duplicate MAC addresses which were overwriting previous devices.
  • fixedFixed scheduled reports being sent when PBX is in Failover Passive mode
  • fixedFixed deadlock when initializing service.
  • fixedFixed ring group statistics export, csv does not contain Total Received & Total Unanswered columns.
  • fixedFixed scheduled team queue general statistics report.

+ 7 more changes in this build

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  • fixedFixed calls not being initiated in case SRTP is Enforced
  • fixedFixed crash in Admin Console due to parsing of user agents strings.
  • fixedFixed issue with Generic IP Phones when requesting it from different roles.
  • fixedFixed validations in Trunks Editor
  • fixedFixed issue with Ring My Mobile when Authentication is changed.

+ 18 more changes in this build

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  • addedAdded Auto Discovery both for REGISTRAR/PROXY.
  • updatedImproved update procedure for MYPHONETEMPLATEINFO to provide FQDN.
  • otherImprovements to Audit Log.
  • fixedFixed crash in Web Client due to language Portuguese (BR).
  • fixedFixed conference extension number not shown when you schedule an audio conference.

+ 29 more changes in this build

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  • otherRemote Stun Custom DECT failing to show next steps of the wizard when creating the device.
  • otherCall Manager now correctly handles SIP requests.
  • otherRejection of calls caused by multiple identity headers now works.
  • otherPRACK parameter is now handled correctly.
  • otherExternal leg is no longer dropped when the transfer fails.

+ 8 more changes in this build

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  • updatedUpdated: System email notifications will be sent to System Administrator and external email addresses you specify in “Notifications”. The System Owner will not receive them. In SP 1, we will include a checkbox for System Owners to receive notifications.
  • otherCustom Templates usage has been fixed in the case where a long file name is specified.
  • otherThe uploading of custom prompt sets has been fixed in the case where a custom prompt set is selected for the System.
  • otherAdmin Console users view has been fixed to show the temporary status for an extension.
  • fixedFixed the reporting of missed calls where attendant transfers to Queues.

+ 10 more changes in this build

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  • otherMany provisioning features have been added.
  • otherTimezone - add to device both for IP & Dect.
  • otherPhone logo provisioning.
  • otherImport & Export of Users now supports the old extended import format.
  • otherWeb Client password requirements are more complex - requiring 1 special character.

+ 38 more changes in this build

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Locally mirrored — refreshed weekly from the official 3CX V20 change log.

Source: 3cx.com

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