3CX Build History V20

3CX Version 20, Update 8, Build 20.0.8.1109, February 2026

• Added new models for OpenAI.
• Updated template for CC Architects.
• Updated Email Templates.

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

• Updated Gemini model handling: retired gemini-2.0-flash-lite. After updating, the PBX will automatically use gemini-2.5-flash-lite.
• Updated template for Destiny Flux.
• Updated template for Twilio.
• Updated template for Deutsche Telekom (CompanyFlex).
• Fixed an issue where the Gateway Service could enter a loop and cause high CPU usage during disconnection/reconnection scenarios.
• Fixed Hot Desking not retrieving the department phonebook correctly due to an exception unhandled.
• Fixed an audio issue when barging into a call while stereo mode is enabled using Opus or PCMU codecs.

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

• Added support for ICTGlobe (new).
• Added FREE PRO support (new).
• Added and optimized indexing tasks for Data Connectors (PostgreSQL, MySQL, and Microsoft SQL Server).
• Improved robustness and performance of CDR post-processing.
• Improved avatar matching and call history icons when a contact exists in both Personal and CRM phonebooks.
• Improved MySQL Data Connector performance.
• Updated template for Partner Communications.
• Updated template for Flex Network integration.
• Updated template for Plink integration.
• Updated template for Dataphone integration.
• Resolved an issue where the PBX sent OPTIONS messages to refresh the session timer, causing calls to drop.
• Resolved a call loop scenario where calling your own DID caused unprocessed calls and missing Web Client call history.
• Fixed new adjustment requirements for WhatsApp messaging to comply with their new requirements.
• Fixed discrepancies between talking time and ringing time in exported CSV records versus Web Client data.
• Fixed an issue where most transcription timestamps were missing when the PBX is using a different locale using onboard AI transcription.
• Fixed CRM call journaling issues when calls were routed via IVR and then sent to voicemail or ended.

3CX Version 20, Update 8 RC, Build 20.0.8.1078, December 2025

• Added template for WiC.
• Added template for MyNet.
• Improved transcription performance under high call volume.
• Updated template for FM Telecom.
• Updated template for Ixica.
• Updated template for 2Talk.
• Fixed call scripts not being included in the Divert and Transfer dialogs.
• Fixed an issue with the originator caller ID when using Ring My Mobile.
• Fixed the Twilio wizard getting stuck when incorrect credentials are used.
• Fixed SMS CID number matching issues.
• Fixed an issue where conferences could fail if the provider sends a re-INVITE.
• Fixed recordings not resuming after reconnection.
• Fixed dialed numbers not being shown in the WebClient dialpad.

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

• Added extra TLS logging and improved TLS diagnostics in reSIProcate.
• Added/updated Gigaset DECT templates (N770 new; N610/N670/N870 updated).
• Updated PostgreSQL.
• Updated templates based on SIP Tester checks.
• Fixed the queue transcription setting being ignored when a call is picked up.
• Fixed the inability to edit users or delete phones when more than 16 devices are assigned.
• Fixed CDR missing data in missed-queue-calls when a QCB abandoned call is picked up.
• Fixed Web Client error: locale fr is not defined.
• Fixed the inability to blind transfer queue calls to another queue.
• Fixed CDR missing bill-code in a QCB-specific scenario.
• Fixed the dialed number not shown in the Web Client dialpad.
• Fixed Teams → 3CX sync failures in timeout scenarios.
• Fixed the Manager role being unable to upload phone logos.
• Fixed recording does not resume in case of reconnection for the 3CX Apps.
• Fixed RTCP Type: End (0) not being sent.
• Fixed server not returning to the priority target after a failure.
• Fixed phonebook entries not being deleted in the Web Client during parallel bulk deletion.
• Fixed ViaContact missing for voicemail items in call history.
• Fixed exception when checking in/out the same user multiple times.
• Updated provider name: Telerys renamed to UNIXO.
• Fixed validation for the 50-character limit on additional email participants in queues and ring groups.
• Fixed Kommo CRM chat journaling issue.

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

• Improved synchronization of MS365 user account details.
• Improved alignment of Talking Time / Ringing Time between exported CSV call records and Web Client view.
• Updated template for Yealink DECT W60B.
• Updated template for Drei SIP Connect.
• Updated template for Koesio.
• Updated template for Sipcall.
• Updated template for Fanvil DECT W710D.
• Fixed bill-code logging for Queue Callback entries in CDRs.
• Fixed display of the “Ext.” field in CDR logging.
• Fixed issue where push notifications were not received on Edge-Chromium browser.
• Fixed AI routing settings behavior across different locales.
• Fixed the ability to add hotdesking devices when the license type is PRO.
• Fixed Twilio auto-setup wizard to support larger number sets.
• Fixed Data Connector handling for non-standard PostgreSQL datetime formats.
• Fixed Kommo CRM chat journaling.

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

• Fixed issue where low logging levels prevented use of the second outbound route.
• Fixed Voicemail Indicator (MWI) and improved reliability for unauthenticated SMTP servers to update promptly.
• Fixed compression and cleanup to maintain stable disk usage.
• Fixed timeouts in FTP/FTPS Backups
• Fixed Queue Manager with calls now correctly terminate when queues become unattended.
• Fixed handling for holidays spanning across years.
• Fixed firmware downloads caused by backup procedure removing the firmware files.

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

• New Vodafone IP-based template.
• Added users/extensions counter to the dashboard.
• Added sentiment analysis in CRM Call Journaling when calls are transcribed.
• Added Chinese language support to the 3CX Transcription Engine.
• Improved Data Connectors.
• Updated Vodafone registration template.
• Updated Sipcall template.
• Updated Nginx (Windows) to version 1.26.3.
• Updated PostgreSQL (Windows) to version 15.14.2.
• Fixed missing “Via” header for voicemails.
• Fixed voicemail indicator not updating on IP phones when using Custom SMTP with no authentication.
• Fixed issue when adding a holiday that spans across two years.
• Fixed agent login history report when using a custom date filter.
• Fixed issue preventing editing or deleting users with more than 16 assigned devices.
• Fixed billing calculation for the hotel module in cases of blind or attended transfers (bxfer/axfer).
• Fixed chat report duplication when messages are transferred.
• Fixed “Record by Phone” not following extension locale settings.
• Fixed queue transcription issue in cases of call pickups.

3CX Version 20, Update 7 Hotfix, Build 20.0.7.1060, October 2025

• Fixed syslog writing sip messages.
• Updated Microsoft ASP.NET Libraries.

3CX Version 20, Update 7, Build 20.0.7.1057, October 2025

• Added protection to prevent queues from being looped.
• Added tracking of active calls to protect against delays inside Queue Manager to prevent stuck calls.
• Fixed issue with microphone settings not saving due to recent Chromium changes.
• Fixed issues with custom time zone filters when searching recordings.
• Fixed Intro prompt no longer continues playing when call is routed to Destination No Answer.
• Fixed memory leaks caused by OAuth authentication.
• Fixed memory leaks during callback operations.
• Fixed stuck calls occurring under race conditions when a caller answered while the agent dropped simultaneously.

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

• Added firmwares for T73U, T73W, T74U, T74W, T77U, T85W, T87W
• Updated Peoplefone CH.
• Fixed Admin Console crash caused by incorrect user agents.
• Fixed Call Manager crash when a route pointed to non-existent extensions.
• Fixed Web Meeting report issue when a participant was rejected by the organizer.
• Fixed Queue crash in User Requested No Answer.
• Fixed exception in User Confirmed Callback Request.
• Fixed Queue crash after SIP service termination.
• Fixed crash evt::Timeout after QCB calls stopped.
• Fixed issue where unheard voicemails were purged during Voicemail Cleanup.
• Fixed WebMeeting losing connection to custom MCU after 8 days when the PBX updated.
• Fixed CDR output issue where termination_reason incorrectly shown as "rejected" and the call was not processed.
• Fixed issue where call pickup caused agents not to be polled if the call was dropped by the Windows softphone.
• Fixed issue where OpenAI failures (no response) prevented other transcripts from being processed.

3CX Version 20, Update 7 RC1, Build 20.0.7.979, August 2025

• Improved failover stability on Windows service restarts.
• Fixed rare scenarios where a queue call was polled and at the same time redirected to destination no answer.
• Fixed pickups for Q calls via 3CX Softphone no longer marked as abandoned.
• Fixed talking time now updates correctly after pickup.
• Fixed call manager crash in rare cases when performing barge in calls while a call ends simultaneously.
• Fixed call manager crash in rare cases when a failure occurred while building the Voicemail endpoint.
• Fixed live chat session persisting after page reload.
• Fixed post-restore Windows issue blocking webclient calls.
• Fixed backup and restore properties now correctly applied on restore.
• Fixed OnBoard MCU now reconnecting after backup restore.
• Fixed hotel module log flood when “Monitor connection quality” is ON.
• Fixed WebMeeting region changes now applied without MC restart.

3CX Version 20, Update 7 Beta, Build 20.0.7.943, August 2025

• Updated Dstny FR Template.
• Updated Drei SIP Connect Template.
• Updated 3C1B Telekom Template.
• Improved Error Message.
• Improved multiselection combo box in Reports.
• Fixed Extension statistics report, call count multiplied by rename operations.
• Fixed Schedule options were not applied after the restore.
• Fixed deadlock when purging large volumes of voicemails.
• Fixed Receptionist role by enabling back the option to Override Office Hours.
• Fixed restore failing with exception "column "duplicated" of relation "cl_calls" does not exist".
• Fixed various memory leaks.

3CX Version 20, Update 7 Alpha, Build 20.0.7.890, July 2025

• Added time element to custom range filters.
• Added SBC editor with settings and push configuration.
• Added retry policy for OpenAI transcription.
• Added a language selector for 3CX Transcription.
• Added audio by Mark RTP traffic originating from PBX as VoIP.
• Added an index on eventlog by timegenerated for improved performance.
• Enabled Ring Group reports on CSV exports.
• Improved Record audit entries.
• Improved download reliability for large amounts of Event Logs.
• Improved data offload for remote PostgreSQL security.
• Improved handling of "Prompt" errors.
• Improved redirection to the Options tab in cases of missing prompts.
• Updated Flowroute Template.
• Updated Yealink T4 Series support.
• Updated email templates.
• Updated translations.
• Updated GO Template.
• Corrected missing data in Agent in Queue Statistics reports.
• Corrected Call Log Report filtering for Queues.
• Corrected PartyDnType for 999 Special Menu calls.
• Corrected wrong CRM hyperlink position.
• Corrected wrong dialed number in Call Logs for specific inbound call scenarios.
• Corrected Web Client crash when viewing voicemail voice quality through reports.
• Resolved issues with filtering Inbound Calls by Trunk.
• Resolved issues with duplicated personal contact names in Call History for incoming calls.
• Resolved M365 & Google integration issue where deleted users were still counted.
• Fixed chat handling after extension removal.
• Fixed Outbound Calls Report incorrectly marking calls as "Local Call Type" in specific scenarios.
• Fixed CSV export for Abandoned Queue Calls Report, ensuring accurate totals based on agents.
• Fixed search functionality in the DID column of the Inbound Calls report.
• Fixed Custom CRM not reporting calls from non-contact numbers.
• Fixed Call Leg connected to Voice Agent when trunk is System Wide.
• Fixed Web Client showing blank lines in call history when QCB is requested.
• Fixed sync issues for Google contacts.
• Fixed missing phone provisioning values on extension export.
• Included Shopify guide link in Livechat settings.
• Trigger automatic reprovisioning of user phones when BLFs are changed in WebClient.
• Webclient default theme now matches OS system default.

3CX Version 20, Update 6 Build 20.0.6.724, June 2025

• Updated Client and System translations.

3CX Version 20, Update 6, RC3 Build 20.0.6.721, June 2025

• Added new SIP Trunk Provider Sinch Elastic SIP Trunking.
• Introduced new filters for 'Detailed Queue Statistics' and 'Team Queue General Statistics'.
• Improved reliability for saving prompts.
• Improved searching for names in Apps Recents.
• Updated template for 3C1B Telekom.
• Updated system translations for improved localization.
• Resolved exceptions related to invalid prompts.
• Resolved exceptions caused by the prompt folder.
• Fixed issue where Call Queue/Ring Group information was missing for calls made from Live Chat.
• Fixed crash caused by incorrect attendant transfer reporting.
• Fixed MongoDB issues affecting call journaling.
• Fixed exceptions when optimizing large databases.
• Removed Amazon Chime due to Amazon's deprecation of the service.
• Removed SNOM D812 & D815 as Router Capable due to hardware restrictions on these models (they will work in Local LAN & Stun).

3CX Version 20, Update 6 RC2, Build 20.0.6.700, May 2025

• Added Orange Business Talk/BTIP.
• Added total amount of calls in the Queue Answered by Waiting time report.
• Added banners in Web Client.
• Added Data Connectors for Multi-Company Mode.
• Improved Queue, Queue Performance and Ring Group Reports.
• Improved filters for Call Log Reports.
• Fixed issue on terminate when originated by MAKECALL.
• Fixed calculation of answered calls in Call Reports when the call is routed through a department.
• Fixed number of counts for Ring Groups & Queues reports.
• Fixed issues with Data Connectors and allowed it for Multi-Company.
• Fixed issue with headers in WAV.
• Fixed Queue Manager crash.
• Fixed reports with abandoned chats when there are no queues configured on the system.
• Fixed purging for data connectors when getting timeouts.
• Fixed totals for Abandoned Queue Calls.
• Fixed reports with Extension Statistics and Call Cost by Extension Department in Multi-Company Mode.

3CX Version 20, Update 6 RC, Build 20.0.6.675, April 2025

• Added the ability to have a retry policy for data connectors.
• Updated PostgreSQL for Windows to 15.12-2.
• Fixed reporting export for Inbound Call & Outbound Call reports to show correct timestamps.
• Fixed filtering for reports where Inbound Calls were incorrectly setting count for unanswered calls.
• Fixed error messages for replacing a commercial key.
• Fixed handling of duplicate key value violations when creating a remote database.
• Fixed the ability to downgrade the role in case of Admin Console.
• Fixed reporting for Barge/Listen/Whisper to render proper information in Apps Recents.
• Fixed search in recordings when calls are transferred, routed or diverted to an agent.
• Fixed Outbound Calls report not showing full history of calls.
• Fixed performance usage when purging recordings or voicemails.

3CX Version 20, Update 6 Beta, Build 20.0.6.619, April 2025

• New Yellowgrid Advanced SIP.
• Added search and pagination for trunk formatting rules.
• Updated Fanvil Door phones template.
• Updated Yellowgrid template.
• Updated Spitfire template.
• Improved CPU usage on Database server.
• Improved loading of the Queue Manager service on startup.
• Improved usage for Call Flow Server.
• Improved huge data of call history records, which could lead to exceptions while reading from the stream.
• Fixed unhandled exceptions in CRMs.
• Fixed calls not being reported in Call History for the Apps when Barge in calls are performed.
• Fixed reporting of Q. failed Callbacks, report does not show QCB prefix.
• Fixed writing in the CDR file for each call creates a 0 KB when Queue Call Backs are performed.
• Fixed outbound reports not counting unanswered calls.
• Fixed issue with calls not terminated when voicemail is disabled for a user.

3CX Version 20, Update 6 Alpha, Build 20.0.6.486, March 2025

• Added record audit details for delete operation.
• Updated Yealink W90B.
• Updated VoiceFlex.
• Updated Sewan.
• Updated BT Wholesale.
• Improved the view of call processing scripts when many DIDs are assigned.
• Migrated to Gemini 2.0.
• Fixed Jabra integration handling of notifications when you perform a hold before transfers.
• Fixed DID Name (Append/Prepend) causing lookup issues.
• Fixed prioritized hunt by three polling order issues when "Ring My Mobile Simultaneously" is enabled.
• Fixed skill-based ring all polling issues.
• Fixed Call Control API Endpoint Specification "reasontext".
• Fixed validation for holidays.
• Fixed bridges delivery indicator.
• Fixed issue with RestoreCmd crash.
• Fixed validation for exception rules.
• Fixed validation length for VLAN.
• Fixed issue in Web Client for barge in calls being shown.
• Fixed encoding CSV in reports.
• Fixed Google Workspace Contact Sync - home email is always used in case there are two emails.
• Fixed an issue where a duplicate MAC error is not shown when trying to add a second router with the same MAC.
• Fixed issue in Web Client not loading all elements.
• Fixed search results not being wiped when the Team page is empty.
• Fixed Wallboard issue where it doesn’t respect Web Client language.

3CX Version 20, Update 5, Build 20.0.5.551, March 2025

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

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

• Fixed QR Code provisioning for mobile apps using Desktop App.
• Fixed the generated results when enabling "Monitor Connection Quality" with scores set to "Unknown."
• Fixed Private Video Conferencing when the license is downgraded.
• Fixed various issues with calendar events using Google Workspace integration.

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

• Added Itel Solutions SIP Trunk.
• Updated Peoplefone Polska.
• Fixed issue with API providing 403 Forbidden for Shared Parking.
• Fixed adding of Generic IP Phones failing due to missing codecs.
• Fixed Assignments of DIDs on the endpoint. The limit has been increased from 100 to 1000.
• Fixed buttons in Call Log Report.
• Fixed saving of departments when having a user in multiple departments.
• Fixed chat avatars not being shown after the update.
• Fixed sync calendar events for presence using Google integration.
• Fixed user pagination in Web Client Admin Console.
• Fixed Assign/Clear via Web Client & Hotel PMS causing not to clear or assign rooms.
• Fixed issue with duplicates showing contact lookup when it matches a Google contact.
• Fixed issue with timezones when using calendar sync with Google integration.
• Fixed issue with rights when System Admin could not update department properties in Multi-Company Mode.
• Fixed issues with remote bridges when adding, deleting, or removing users, as well as deleting historic chats, which previously caused duplicates and chat recreation.

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

• Added Fanvil Router IP Phones.
• Added "Multi-Company" in the Dashboard when enabled.
• Added Call Processing script routing in IVR editors when Multi-Company is enabled.
• Updated DSTNY provider template.
• Updated list of supported languages for Google Speech.
• Fixed resolving of participants' names when an emergency group chat is created.
• Fixed OpenAI Transcription RequestEntityTooLarge.
• Fixed Call Journaling in case of transfers.
• Fixed BusyInACallService System.NullReferenceException caused when configuring Teams presence syncing.
• Fixed Desktop App failing to connect to Update 5.
• Fixed integration with Teams presence syncing to change status only when a call is connected.
• Fixed some issues with the Firefox browser.
• Fixed issue when adding/removing shared parking places.
• Fixed M365 Sync which was enabling 3CX Talk.
• Fixed the issue of hiding users across the app. Admins can now hide users globally, keeping the interface cleaner for specific use cases.

3CX Version 20, Update 5 Alpha, Build 20.0.5.384, December 2024

• Updated MongoDB to 3.0.
• Updated Microsoft.Data.SqlClient.
• Updated Swisscom Smart Business Connect.
• Updated BT HSIPT-Class 5.
• Updated UNIDATA.
• Updated to the latest Angular 19.
• Updated Google Transcription model to Gemini.
• Fixed an issue where hiding the System Extensions option did not hide CFD apps.
• Fixed and improved GoogleBuckets to stream partially to avoid having huge memory usage when downloading backups.
• Fixed issues with multi-selectors.
• Fixed subscriptions still show users that are no longer synced with M365.
• Fixed escaping of characters in recording file names.
• Fixed scheduled reports showing old names when generating reports via a schedule.
• Fixed the inability to add an annual holiday on 31/12 if a non-annual holiday already exists.
• Fixed issues when searching for system extensions.
• Fixed Queue Call Back emails for queues using a Callback Outbound Prefix, which displayed the "To" number with a duplicate prefix.
• Fixed encoding display issues with special characters in custom WAV files.
• Fixed an issue preventing adding CRM contacts with a dot in the phone number.
• Fixed incorrect language in welcome emails for extensions belonging to multiple departments.
• Fixed display issues in Queue reports.
• Fixed SLA statistics.
• Fixed an exception occurring when an incoming call is from an unknown number.
• Fixed issues with MAKECALL requests.
• Fixed Incorrect order of events in the Event Log.
• Fixed System.ObjectDisposedException: Cannot access a closed pipe.
• Fixed System.IndexOutOfRangeException occurred in 'GetRecordings'.

3CX Version 20, Update 4, Build 20.0.4.487, December 2024

• Fixed subscription for Microsoft 365.

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

• Added Informative information about Transcription when having no Call Recordings enabled.
• Added Information about Transcription setting being used when user, ring group and queue follows the department settings.
• Added response to transcription in case the transcript file is too short.
• Added Help Link for new Yealink AX Series.
• Updated Redist Package for Windows installs.
• Fixed issue with Storage using FTP as Location Type when file transfer starts and the session is being closed by the FTP Server.
• Fixed issue with Teams Direct Routing certificate validation in case FQDN assigned to the SBC is not compatible with the certificates being stored to integrate.

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

• Added PWA Richer UI install for WebClient.
• Added a button to delete M365 Personal contacts in the Phonebook page.
• Added automatic log out hot desking phones in System > Options > Scheduler.
• Added Zendesk V2.
• Updated.NET 4.8.
• Updated postgresql for windows installer.
• Updated Twilio.
• Updated Tata Communications.
• Updated SFR Business.
• Updated Swisscom Enterprise.
• Updated Swisscom Smart Business Connect Internet.
• Updated VoiceMeUP.
• Updated Bandwidth Global.
• Updated Fanvil Templates.
• Fixed contact lookup being shown twice in 3CX dialer in a specific scenario.
• Fixed queue manager reports with wrong call time or failed callback.
• Fixed public IP in VIA header option.
• Fixed chat in case of group chats not able to remove/add the agent in an existing group chat.
• Fixed issue with receiving messaging request with very long caller name causing vapid push error.
• Fixed Inbound Rules export to CSV was not showing DN numbers of destinations.
• Fixed extension import when 3CX Talk is disabled.
• Fixed subscription deleted also for timeout for iOS APNS servers.
• Fixed WebClient when requested video is "sendonly" & PBX delivers audio.
• Fixed exception when trying to edit a bridge with many extensions set to receive presence.
• Fixed journaling information is not shown correctly on Outbound call/chat for Hubspot.
• Fixed CRM Journaling CallType which was being set wrongly when makecall is answered from the Apps.
• Fixed CDR output for bill-code is always "default" instead of the code dialed.

3CX Version 20, Update 3, Build 20.0.3.806, October 2024

• Updated Sipcall.
• Updated Brightstar.
• Updated Kinetix Connect.
• Updated Vocus.
• Updated Go malta.
• Updated nginx for Windows due to openssl 3.0.14 updates.
• Improved speed of reporting for extension statistics and ring groups reports.
• Fixed numerous issues with Geo Location when performing multi-edit.
• Fixed issue with call processing script when deleted caused not to drop calls.
• Fixed issue in Admin Console with codecs refreshing.
• Fixed issue with number of allowed sim calls in trunk configuration.
• Fixed PWA when answering calls via push while PWA is in the Calls view a new window is opened.
• Fixed PWA stops ringing after 5 minutes when the minimized due to chrome changes for throttling.
• Fixed import with 3CX Talk URLS.
• Fixed bulk recordings downloading.
• Fixed extension statistics reports for Multi-tenant systems.
• Fixed DID numbers when having the same number on different Trunks.
• Fixed Hotel Module costs records.
• Fixed issue with Outlook & MS365.
• Fixed issue with gray listing timers for trunks.
• Fixed sync issues with DNS Resolution.
• Fixed multi-edit saving of rights in View Page.
• Fixed call button due to recent changes from chrome browsers.
• For new installs default Phonebook display is First Name, Last Name.

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

• Added BLF support for user export/import.
• Added support for Import /Export 3CX Talk.
• Added support to download multiple recordings and incase of some failure report it.
• Added warning when changing SBC Department.
• Added Quickline AG.
• Added Phenix Partner.
• Yealink DECT W75DM.
• Updated interface for Call Scripts.
• Updated postgresql on Windows OS.
• Updated SIP.US.
• Updated SIPTrunk.com.
• Improved dashboard taking too long to load due to a lot of voicemails and recordings.
• Extend expiration security token for CRM and recordingsURL to 90 days use custom parameter to modify the expiration (CRM_RECLINKS_VALID_FOR).
• Fixed Sharepoint Folder becomes lowercase after update.
• Fixed Call Journaling populating the recording and transcription when call is dropped.
• Fixed Caller and Callee being reversed in the Web Client Panel when receiving PUSH calls to Queues.
• Fixed validation being triggered due SBC with roles Dept. Admin, Manager, Owner when SBC is not in the Department.
• Fixed memory leaks in Management Console & System Service.
• Fixed Microsoft Dynamics CRM Leads search by number.
• Fixed no reply to external Re-Invite.
• Fixed Language selection after update of PBX.
• Fixed one way audio after call is resumed from Hold using Web Client.
• Fixed incorrect caller info when forgotten parked calls are forwarded to the Queue.
• Fixed Outbound Caller ID when forwarding to external number.

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

• Added Shared Parking slots in Call Forwarding & Exceptions.
• Added Sliding of events to event log when task to clean up triggers.
• Added ability to download multiple recordings.
• Added SBC version in editor of SBC.
• Added Voicemail Transcription does not work for Ring Groups and Queues.
• Added "geo911" tag to Generic templates.
• Added Yealink T31W.3
• Added Yealink T34W.
• Added Yealink T44U.
• Added Yealink T44W.
• Updated System Prompt sets to include some new prompts.
• Updated Easybell.
• Updated Telxi.
• Updated Bandwidth.
• Updated Vox Telesys.
• Improved request for recent Call History.
• Improved CRM Contact Lookup Order.
• Improved Call/Chat Journaling.
• Improved request to get Recordings.
• Improved requests for dashboard in case of a big database.
• Improved copy of extension.
• Fixed several issues with the command line and web installer.
• Fixed contact from chat toasters improved for all CRMs.
• Fixed transferring of chats from queue and ring groups not showing agent name after transfer.
• Fixed rendering of connection quality monitoring in Team Presence.
• Fixed group chats when removing and adding participants were not updating to the proper name.
• Fixed events after removing a user from a department, department name now shows in events always up to date.
• Fixed schedule backups failing in case of error code HttpStatusCode is ServiceUnavailable.
• Fixed Conferencing Merging to a private conference is requesting a pin and says access denied.
• Fixed Queue Music On hold playing from beginning when queue position is announced.
• Fixed Make Call in "Dialing" (until destination answers).
• Fixed validations in case of invalid prefix value for Outbound Rules editor.
• Fixed CallerID selected outbound rules have priority over Emergency call outbound rules.
• Fixed Contact Lookup by email that contains plus that was not working on Salesforce and Pipedrive.
• Fixed issue with calls being intercom in case destination sent to a busy extension.
• Fixed Activity Log scroll issue on busy systems.
• Fixed Forward call to external number with anonymous dial code (*5) does not send anonymous SIP headers.
• Fixed on behalf of is not set on routing request of ringing leg.
• Fixed Referred-By header in blind transfer scenarios.
• Fixed OpenAI Whisper for Transcription sends code "iw" instead of "he" when Hebrew is selected.
• Fixed Missed call in ring group shows called number in specific scenario.
• Fixed Admin Console crashes if there is a missing device template.
• Fixed Call Journaling when the contact lookup order is set to Organization/Account.

3CX Version 20, Update 2, Build 20.0.2.715, July 2024

• Updated Deutsche Telekom(Call and Surf) Provider Template.
• Updated Partner Communications Provider Template.
• Updated Fanvil Door Phone Template.
• Fixed PNP for Windows Softphone.

3CX Version 20, Update 2, RC, Build 20.0.2.711, July 2024

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

3CX Version 20, Update 2, Beta, Build 20.0.2.708, June 2024

• Added Link to MS Store for Windows Softphone in Welcome Emails.
• Added Telxi UK Supported.
• Ability to upload “Holidays” prompts for each holiday.
• Improved requests for Recordings.
• Fixed CID rules not accepting ranges or wildcards.
• Fixed deletion of contacts from Admin Console - did not remove contact images.
• Fixed an exception caused when dropping fast queue calls.
• Fixed an exception caused when using Backup Location “SMB”, backups where not being uploaded.
• Fixed restore procedure during installation not restoring all user avatar images.
• Fixed Crash in Queue Manager.
• Fixed Search Recordings.

3CX Version 20, Update 2, Alpha, Build 20.0.2.688, June 2024

• Added back out of office hours voicemails for profile Away, DND, Custom.
• Added Anti-Hacking module.
• Added Swisscom Smart Business Connect Internet SIP Trunk.
• Added Koesio SIP Trunk.
• Added Cole SIP Trunk.
• Added VoIP.MS to support SMS/MMS messaging.
• Improved Bitrix CRM, for company search contacts.
• Improved Zoho CRM, calls with longer duration were not being reported.
• Improved Kommo CRM, for searching a contact.
• Improved inconsistency in queue reports.
• Improved Fidelio integration when detecting and adding room names.
• Improved Ring My Mobile registrations in conjunction with temporarily override status of a user.
• Improved early media when initiating an outbound external call.
• Updated dialogs for SBC on how to install.
• Updated new script for Raspberry PI5 support when installing an SBC.
• Fixed issue with calls when Invites without SDP offer, call would fail.
• Fixed missed call notifications email for when ring groups calls are not answered.
• Fixed issue with copy extension where some routes were not being copied.
• Fixed import of extensions will now import Date and Time format based upon template.
• Fixed MS365, sync if user mail is uppercase.
• Fixed push notification calls not showing personal contact information.
• Fixed WebClient crash caused by dial codes overlapping others.
• Fixed Teams Direct Routing incase of transfers using email to transfer too.
• Fixed Admin Console searching when contact, user or element has accent.
• Fixed Early media not played to caller when PRACK is enabled.

3CX Version 20, Update 1, Build 20.0.1.731, May 2024

• Fixed issues with duplicate MAC addresses which were overwriting previous devices.
• Fixed scheduled reports being sent when PBX is in Failover Passive mode
• Fixed deadlock when initializing service.
• Fixed ring group statistics export, csv does not contain Total Received & Total Unanswered columns.
• Fixed scheduled team queue general statistics report.
• Fixed scheduled reports for last year include wrong results.
• Fixed Abandoned chats report schedule redirects to People when there is no queue in the department.
• Fixed reports DQS/QCB/SLA stats CSV results differ from WC filtering results.
• Fixed rounding of 60 seconds in CSV export causing analytic bi software to complain that this is invalid.
• Fixed report print view page reloads unexpectedly.
• Fixed crash with Print when generating an Extension Statistics report.
• Fixed exceptions caused with custom reports to email with specific filename.

3CX Version 20, Update 1, Beta 2, Build 20.0.1.721, April 2024

• Fixed calls not being initiated in case SRTP is Enforced
• Fixed crash in Admin Console due to parsing of user agents strings.
• Fixed issue with Generic IP Phones when requesting it from different roles.
• Fixed validations in Trunks Editor
• Fixed issue with Ring My Mobile when Authentication is changed.
• Fixed call manager building displayName from configured First/Last name incase of double (") with quoted-pair (\") as per RFC3261
• Fixed call manager handling of reason and response code to caller when call is terminated by forwarding rule.
• Fixed issue with SFTP for Backups & Recordings Location.
• Fixed issue with Recordings settings page not reacting or saving.
• Fixed Custom Queue Ringtone provisioning not working
• Fixed crash in Admin Console caused by invalid ranges in time
• Fixed issue with FXS showing 3CX Fax Extension.
• Fixed issue with call history when pickup is performed
• Fixed Call cost not calculated correctly on failed blind transfer.
• Fixed Call cost in CDR output is not calculated correctly on failed blind transfer.
• Fixed Reports for calls to ring groups going to Destination No Answer.
• Fixed Reports when  Destination is "Send busy", CDR output does not populate the "Chain" Field.
• Fixed Call Logs when calls are terminated by rule.
• Fixed missed call notification when another ring group agent answers the call and then transfers it.
• Fixed chat journaling issue with database crm when the contact sync option is enabled.
• Fixed database CRM, Chat journaling some missing information.
• Fixed minor issues with Copy Extension
• Fixed application for MS365 when provisioning it the first time.

3CX Version 20, Update 1, Beta, Build 20.0.1.673, March 2024

• Added Auto Discovery both for REGISTRAR/PROXY.
• Improved update procedure for MYPHONETEMPLATEINFO to provide FQDN.
• Improvements to Audit Log.
• Fixed crash in Web Client due to language Portuguese (BR).
• Fixed conference extension number not shown when you schedule an audio conference.
• Fixed redirection after login generates 404 not found.
• Fixed deadlock due to registrations for Ring My Mobile.
• Fixed issue of better handling for SIP Options.
• Fixed application crash inside Call Manager for complicated attendant transfers.
• Fixed reporting of missed calls when another agent answers a ring group call.
• Fixed issue with early media - better handling in Web Client.
• Fixed application crash in Call Manager due to sync.
• Fixed issue with queue name.
• Fixed crash in Web Client due to Specific Office hours.
• Fixed Call Manager Crash due to route to api.
• Fixed no audio when SRTP is enforced and calls made from Web Client.
• Fixed broken audio when SRTP is set to Enabled and call made via IVR.
• Fixed Kommo CRM with journaling attempt for a just created contact.
• Fixed Call Manager crash using CFD.
• Fixed contact Custom URL, issue with CallerDisplayName variable in Web Client.
• Updated welcome email.
• Fixed and supported Tel protocol URIs.
• Fixed outbound rule not matched when sending outbound fax when filtering by extension.
• Fixed Zoho call journalling if call duration is more than 60 minutes.
• Fixed issue with CFD MakeCall issue when calling queue agent and external number.
• Fixed issue with Web Client not triggering the contact lookup on CRM when sending outbound SMS.
• Fixed crash in Web Client when phone without codecs is added.
• Fixed Call Manager crash due to timers/timeouts.
• Fixed Admin Console - CFD not playing prompts when added manually.
• Fixes in Wake Up Call IVR.
• Fixed IVR Crash due to sync.
• Fixed extension name missing when call is picked up by 20.
• Fixed Admin Console Crash when you go to hot desking if you have deleted an extension which was logged in for hot desking.
• Fixed IVR crash on exit.

3CX Version 20, Final, Build 20.0.0.1620, February 2024

• Remote Stun Custom DECT failing to show next steps of the wizard when creating the device.
• Call Manager now correctly handles SIP requests.
• Rejection of calls caused by multiple identity headers now works.
• PRACK parameter is now handled correctly.
• External leg is no longer dropped when the transfer fails.
• CDR "time-start" and "time-answered" fields are correctly filled in.
• Push operation is no longer canceled in case of sync push.
• Issue where number is shown when a call is picked up is fixed.
• Issue where the external number is transferred to an IP Phone but PBX trunk number is shown instead of the external number is fixed.
• Addressed high cpu usage when license activation is blocked.
• When an IP Phone is joined to a conference via CSTA wrong call information was shown- fixed.
• Call pickup from a Queue not showing correct information is resolved.
• Improvement in "Transfer Back on Apps" functionality for our Apps.

3CX Version 20, Release Candidate 3, Build 20.0.0.1609, February 2024

• Added ability to optimize Database added in Troubleshooting.
• Added Title and Department (renamed from Home 2 and Home Fax).
• Import/export departments.
• Redesign of Troubleshooting page.
• Improvements to the updates mechanism.
• Include type of build (alpha, beta, releases, major release).
• Option to notify System Owners separately.
• Updated roles and rights.
• Profanity filter for transcription added.
• Call Flow Apps dialog fix and move to Advanced.

3CX Version 20, Release Candidate 2, Build 20.0.0.1494, December 2023

• Updated: 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.
• Custom Templates usage has been fixed in the case where a long file name is specified.
• The uploading of custom prompt sets has been fixed in the case where a custom prompt set is selected for the System.
• Admin Console users view has been fixed to show the temporary status for an extension.
• Fixed the reporting of missed calls where attendant transfers to Queues.
• Selection of DECT custom templates not loading has been fixed.
• Microsoft 365 Calendar Sync after disabling Calendar Sync has been fixed.
• Call Manager negotiations when blind transfer is performed via API have been fixed.
• Rights to perform operations on outbound or outgoing calls from Queue Manager have been fixed.
• Stuck calls performed on behalf of operations have been fixed.
• Selecting of call flows apps in case CFD does not have an extension but a script name is fixed.
• Issue after restarting SIP Server correctly sent to all endpoints is fixed.
• Updated Lightwire Template.
• Updated Gamma and LCRcom templates.
• Translations have been added.

3CX Version 20, Release Candidate 1, Build 20.0.0.1466, December 2023

• New call processing scripts.
• New Web Client URL requires PWA re-install.
• New phone provisioning options.
• Admin credentials no longer valid - Use System Admin/Owner.
• Google transcription - Speech API V2 support.
• Only secure FQDN for Web Client login.
• Create a Fax extension to be used with an ATA connected to a fax machine.
• Fax cleanup option - deletes old faxes.
• Hide interaction history - System > Options > Hide interaction history.

3CX Version 20, Beta, Build 20.0.0.1340, November 2023

• Many provisioning features have been added.
• Timezone - add to device both for IP & Dect.
• Phone logo provisioning.
• Import & Export of Users now supports the old extended import format.
• Web Client password requirements are more complex - requiring 1 special character.
• Improved reset password mechanism.
• Office 365 and Teams configuration indicator.
• Google SSO configuration.
• Easily configure which calls of which departments a user can see.
• Codec priority in Trunks.
• Add Port via Template tag “Port” & “Advance”.
• Added CDR.
• Call Costs and Call Types and Purge.
• Import/Export of provider templates.
• Allow inbound calls & allow outbound calls.
• Ability to edit the extension number of system extensions such as Queue, IVR and Ring Groups.
• In users>call forwarding we’ve added 2 call options for all profiles as follows:

• Call Forwarding Log Out from queues.
• Accept calls from Ring Groups.

• Updated System Dashboard with Recording Quota, Static or Dynamic IP notifications, Public IP, System Health and Install Type.
• Backup and restore and Failover screens improved.
• Added back existing bridges. You cannot edit or create new bridges just existing keep working.
• Support for sending WhatsApp, Facebook to Q/RG/IVR.`
• Configure logging level in Dashboard.
• Ability to filter call handling types in voice and chat pages.