YMP Release Notes

Version 82.10.0.3

Release Date: November 2, 2026

Updated PHP to address the following vulnerabilities:
- CVE-2026-109618: PHP failed to properly clean up request memory when handling out-of-memory (OOM) errors, which may allow unauthorized code to be executed on the server.
- CVE-2026-109619: PHP failed to reset global state correctly between requests, potentially causing subsequent requests to access freed memory and allowing unauthorized code to be executed on the server.

Version 82.10.0.2

Release Date: January 7, 2026

Fixed the PBX startup issue: After upgrading a Cloud PBX on YMP, the PBX failed to boot successfully.

Version 82.10.0.1

Release Date: February 6, 2025

Added support for automatic repair for Cloud PBX: In the event of a Cloud PBX crash, a PBX Crash alarm is triggered and the system automatically initiates a repair process to restore the PBX without any manual intervention.
Note: If the automatic repair fails, the system will receive two consecutive PBX Crash alarms sent from the same PBX. In this case, contact Yeastar for support.

Version 82.9.0.64

Release Date: December 24, 2024

Fixed the login issue: Failed to login to YMP as the login captcha was not displayed.

Version 82.9.0.63

Release Date: December 12, 2024

Transfer business operations from Xiamen Yeastar Information Technology Co., Ltd. to Xiamen Yeastar Digital Technology Co., Ltd..

Version 82.9.0.61

Release Date: March 6, 2023

Fixed the PBX email issue: If the Cloud PBX system email was set to use the default SMTP server, users could not receive PBX emails.
Fixed the PBX status issue: After restarting a Cloud PBX on YMP, the PBX status remained at "Starting".
Fixed the PBX upgrade issue: After upgrading a Cloud PBX on YMP, the PBX web interface became inaccessible and the browser prompted "502 Bad Gateway".
Fixed the YMP reboot issue: After rebooting the YMP server, the YMP notification contact received a PBX crash alarm.

Version 82.9.0.55

Release Date: February 21, 2022

Improved compatibility with Mail Server: Updated the TLS version of Outgoing Mail Server (SMTP) to TLS 1.2/1.3.
Fixed the PBX rebooting issue: After executed rebooting on Cloud PBX, the PBX couldn't restart running automatically.
Fixed the storage issue: After a YMP Server had been running for a certain period, the system would generate a large amount of logs unexpectedly, resulting in alarms on full storage space.

Version 82.9.0.43

Released Date: September 1, 2020

YMP administrators can restrict whether PBX users can detect a specific PBX firmware.
Optimized the display order of the PBX firmware versions on the PBX Image list.
Fixed the issue that Daylight Saving Time setting on YMP didn't take effect.
Fixed the YMP Welcome Email issue: If the YMP administrator created multiple users, the system would send incorrect welcome emails to PBX users.
Fixed PBX Co-branding issue: If the PBX was upgraded to version 81.14.0.23, the co-branding settings would not take effect on PBX.
Fixed the network disk issue: The network disk had been mounted, but the YMP web page showed that it was unmounted.

Version 82.9.0.38

Released Date: February 12, 2020

Enhanced the monitoring of PBX's status and took automatic repair measures.
- Added support for detecting the PBX's status and automatically repairing abnormal PBXs.
- Added support for sending PBX Crash alarms (Alarm > Alarm Settings).
  If the YMP fails to repair a PBX, YMP will send a PBX Crash alarm to the notification contacts.

Fixed the issue that upgrading PBX firmware on YMP web page might fail.
Fixed the CPU alarm issue: An incorrect CPU alarm would be sent when you were upgrading the YMP.

Version 82.9.0.27

Released Date: December 16, 2019

Improved system stability.
Optimized SMTP Email feature.
- Optimized Email Test feature: Click Test, and YMP will send a test email to administrator's mailbox. If sending test email failed, detailed failure reasons would be displayed on the YMP web interface.
- Restricted the Sender Email Address field: No special characters are allowed.

Optimized Alarm settings.
- The notification permissions for a contact is editable.
  Go to Alarm > Notification Contacts, you can edit the notification permissions for a contact.
- By default, alarm notifications for the following events are enabled, and the notification emails will be sent to the YMP administrator.
  
  Note: Do NOT turn off notifications for the following events and pay attention to the notification emails so that you can fix the issues to ensure that the YMP runs stably.
  - CPU Overload
  - Memory Overload
  - Disk I/O Overload
  - Storage Full

Optimized Operation Log.
- Added filters for Source: All, Web, and API.
- Added Source column in the downloaded operation_log.csv.

Fixed the issue of PBX upgrade: If PBX name contained Chinese characters, the PBX upgrade would fail.
Fixed the occasional boot failure of PBX.
Fixed the issue of Dashboard.
- The transmission rate of Network displayed incorrectly.
- The line graph of Active Calls (Calls), CPU, and Network displayed incorrectly.

Fixed the display issue of PBX domain: PBX domain displayed incorrectly if Translation Extension was enabled on Google Chrome.

Version 82.9.0.19

Released Date: October 24, 2019

Added Disk I/O Overload alarm.
Improved the YMP system stability.
Optimized Alarm settings: The alarm notifications of Memory Overload and Storage Full are enabled by default.
Optimized the alarm mechanisms of PBX Active Calls Oversubscription, thus the system performance is improved.
Fixed the issue of Network Dashboard: The received network data was not updated automatically on the Dashboard.
Fixed the issue of YMP network: The PBXs might be unreachable as the YMP network went wrong.
Fixed the issue of Notification Email: If the YMP system restored configurations from backup data, the notification emails failed to send.

Version 82.9.0.10

Released Date: September 2, 2019

Improved the YMP system stability.
Added PBX status "Starting".
When the PBX is booting, the PBX status shows (Starting).

Optimized Operation Log: Added support for recording logs of Modify PBX Type.
Optimized Operation Log: Added Source information in each log, which indicates the operation is operated on the YMP web or via YMP API interface.
Optimized settings on Operation Log page: After Log Type is selected, only the relevant options are displayed in the drop-down list of Operations.
Optimized Create a User page: Added support for entering Company information for a user.
Optimized User list page: You can select Company field to be displayed in the User list.
Optimized PBX list page: You can select Creator field to be displayed in the PBX list.
Fixed the issue YMP auto backup: When bulk upgrading PBXs, the YMP auto backup would fail.
Fixed the display issue on YMP web: The number of concurrent calls displayed on the web was incorrect.
Fixed the issue of PBX upgrade: If you skipped a few released versions and upgraded PBX directly to the latest version, the PBX wouldn't work properly.
Fixed the PBX deletion function: After deleting a PBX, an error message was displayed on the web page, however, the PBX was successfully deleted.
Fixed the issue of PBX status: After stopping a PBX on YMP web, the PBX status would be abnormal.

Version 82.8.0.50

Released Date: June 27, 2019

Added PBX Co-Branding feature
- Added support for co-branding Yeastar Cloud PBX by customizing logo, product name, favicon (web icon), and email template.
- Added support for granding Co-branding privileges to YMP hosting users.
Note:
- Please contact Yeastar before using Co-branding feature.
- PBX co-branding is supported on the PBX with firmware version 81.8.0.112 or later.
- Each time you change the co-branding setting on the YMP, you need to reboot the PBX to take effect.
Fixed the issue of Linkus Email: The login QR code could not be displayed if the email was sent to Gmail, Whitebox, and Outlook.

Note: Required PBX version: 81.9.0.14 or later.

Version 82.8.0.35

Released Date: April 12, 2019

Fixed the issue on YMP version 82.8.0.31: If the YMP hostname was changed, you could not log in the YMP web interface.

Version 82.8.0.31

Released Date: April 1, 2019

This version fixes several stability issues of the system. We strongly recommend that you upgrade your YMP to the new version.

Improved YMP security.
Improved YMP stability.
Optimized YMP Backup & Restore feature: When the current YMP server is down, you can restore the YMP backup data to a secondary server and the PBXs will run normally in 7 days.

Note: Please contact Yeastar to activate the secondary server within 7 days.
The Linkus Chat feature and PBX Upgrade feature are enabled by default for a newly created PBX.
Added support for downloading Operation Logs.
Optimized PBX Expiration Date setting: Restrict date format to YYYY-MM-DD.
Optimized PBX Export feature: The PBX Type is included in the exported PBX Basic Info.
Fixed the issue that the newly created PBX might not be started.
Fixed the issue that the statistics of PBX capacity were incorrect.
Fixed the PBX issue: If Auto Reboot was configured on the PBX, the PBX might stop running.

Version 82.8.0.22

Released Date: February 19, 2019

Added support for API interfaces.
Log in to the YMP web interface, go to System > API to enable API feature.
Added support for configuring PBX type to Trial or Commercial.

Version 82.8.0.4

Released Date: December 6, 2018

Improved the YMP system stability.
Optimized Customer settings:
- Removed "Reseller" and "End User" classification of customers. You can manage all the customers on PBX > Customer page.
- Added support for configuring a same email address for multiple customers.
- Added External ID setting.
  You can associate the YMP customers with your CRM system or other systems.
Optimized User settings: Added support for searching the YMP user accounts.
Fixed the issue that a web page error was displayed when resizing the PBX.
Fixed the Backup and Restore issue: The PBX could not reload all configuration pages if you restored YMP configurations from an earlier-version backup.
Optimized the email template of PBX information.
Moved the SBC information to System > Information page.

Version 82.7.0.9

Released Date: October 25, 2018

Improved the security of YMP web login.
Added support for enabling or disabling PBX's Recording function and configuring PBX's Recording capacity.
Each PBX has 500-minute recording time for free.
Optimized System Email settings: Added support for configuring Email User Name.
Optimized PBX Export function: The status of Linkus Chat will be exported.
Fixed the issue that the Turkish time zone was incorrect.

Version 82.6.0.3

Released Date: July 26, 2018

Added support for enabling or disabling Linkus Chat feature for PBX instances.

Version 82.6.0.2

Released Date: June 29, 2018

Added support for using script to backup and restore.
Added support for backing up and restoring auto recording files and voicemail files.
Added support for selecting which files to back up.
Added support for displaying the upgrade status of PBXs.
Added support for setting auto upgrade of PBXs.
Optimized the email template of PBX information.
Added support for the operation log: Modifying the Alarm Threshold of active calls will be recorded in operation logs.

Version 82.5.0.13

Released Date: May 2, 2018

Added support for monitoring active calls of PBX instances, and setting alerts of PBX active calls.

Note: PBX instance should be upgraded to version 81.4.0.10.
Added support for monitoring the total active calls of the YMP server, and setting alerts of YMP active calls.

Note: PBX instance should be upgraded to version 81.4.0.10.
Added support for modify the name of PBX instance.
Fixed the bug that the SIP Server was wrong in the PBX information Email.

Note: If you had modified the default Email Template before, you need to change the variable name of SIP Server to ${sipserver} in your email template.

Version 82.5.0.8

Released Date: April 10, 2018

Added support for upgrading firmware in PBX.
Added support for exporting PBX information.
Optimized system logs.
Optimized web interface.
Optimized the email template of Alarms.
Optimized the Email Template of PBX information.

Version 82.4.0.10

Released Date: February 8, 2018

Fixed the connection issue with SBC.

Version 82.4.0.9

Released Date: January 25, 2018

Different PBXs in the same YMP can be interconnected.
PBX instance and YMP have the same domain level.
Added support for protecting the system against outside intrusion.
The resellers’ company information is editable.
Optimized PBX search function: added PBX URL and email address search criteria.
Extended the expiration time for the PBX password reset link to 24 hours.

Version 82.3.0.4

Released Date: November 30, 2017

Optimized Backup feature: the system has a backup schedule by default; the system will back up at 00:00 every day; a maximum of 60 backup files will be stored on the system.
Optimized reconnection between YMP and YPS: after the YMP is disconnected with the YPS, users can log in YMP, and reconnect to YPS manually.
Optimized Dynamic Defense: if an IP is blocked, all the ports of this IP will be blocked by the YMP.
Optimized Blocklist: if the number of blocked IP addresses reaches 5000, the system will delete the IP addresses which are blocked for more than 3 months.
Optimized web interface: if cloud PBX uses initial user name and password, the option “Reset Admin Password” will be invalid.
Optimized web interface: added identification for required fields.
Fixed E-mail server issue: voicemail to E-mail could not work on cloud PBX.