Summary of Changes
Upgrading PortSIP SBC
Please follow the official upgrade guide to upgrade your PortSIP SBC to the latest version.
Important Always back up your system and schedule a maintenance window before performing an upgrade.
Version 11.2.7
Release Date: July 9, 2026
Changes
Updated the trusted root certificates required for Microsoft Teams Direct Routing to maintain compatibility and prevent potential call failures caused by Microsoft's certificate chain changes.
Version 11.2.6
Release Date: July 1, 2026
Changes
Updated PortSIP ONE for WebRTC to v10.9.2, including the latest enhancements.
Fixed an issue where PortSIP SBC could crash in certain scenarios when processing invalid SDP.
Version 11.2.3
Release Date: Feb 10, 2026
Changes
WebRTC application updates with the latest enhancements
Fixed an issue where Call Flip could incorrectly route calls back to the originating WebRTC client
Fixed an issue related to updating the nginx.conf configuration during SBC updates
Version 11.2.1
Release Date: December 19, 2025
Changes
Updated the WebRTC application
Version 11.2.0
Release Date: November 20, 2025
Changes
Fixed an issue where the WebRTC app failed to connect to the IM server when the IM service was deployed on a separate server
Version 11.1.10
Release Date: November 6, 2025
Changes
Released a new version of the WebRTC application
Version 11.1.9
Release Date: July 28, 2025
Changes
Fixed an issue with incorrect version information display
Version 11.1.8
Release Date: July 22, 2025
Changes
Added support for configuring codecs used for transcoding
Version 11.1.1
Release Date: January 13, 2025
Changes
Added new features to the WebRTC application
Fixed multiple WebRTC application bugs
Version 11.0.0
Release Date: December 12, 2024
Changes
Introduced the all-new PortSIP ONE WebRTC application
Version 10.1.2
Release Date: June 12, 2024
Changes
Added support for IPv6 clients
Version 10.1.0
Release Date: May 23, 2024
Changes
Added transcoding support for audio calls
Version 10.0.10
Release Date: March 11, 2024
Changes
Updated the WebRTC client to support UK English
Added support for controlling queue agent status
Fixed minor bugs
Version 10.0.9
Release Date: January 17, 2024
Changes
Updated the WebRTC client to synchronize extension status with other apps and IP phones
Performance improvements
Fixed minor bugs
Version 10.0.6
Release Date: November 2, 2023
Changes
Added theme support
Performance improvements
Version 10.0.4
Release Date: August 3, 2023
Changes
Fixed a security vulnerability
Fixed an issue where sending DTMF from a WebRTC client caused incorrect RTP event timestamps, which could result in repeated DTMF detection by some SIP servers or trunks
Version 10.0.3
Release Date: July 7, 2023
Changes
Significant performance improvements:
Up to 2,000 concurrent WebRTC audio calls
Up to 500 concurrent WebRTC video calls
Improved WebRTC screen-sharing performance with reduced latency
Version 10.0.1
Release Date: March 30, 2023
Changes
Changed the WebRTC client URL port to 10443
Ensure TCP port 10443 is allowed in the firewall
Fixed a crash issue when stopping or restarting the SBC while calls were active
Version 10.0.0
Release Date: January 16, 2023
Changes
Full rebrandability
Microsoft Teams Direct Routing support
WebRTC support
Interoperability with leading UC, PBX, contact center platforms, and SIP trunk providers
Advanced security features for protection against malicious attacks and fraud
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