Turbine 9.4 - Release notes: Difference between revisions
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== Improvements== | == Improvements== | ||
=== | === DS-1634 TCIS-x: Changed the Acoustic Echo Cancellation (AEC) and Active Noise Cancellation (ANC) factory defaults settings to “Low”=== | ||
This is to get the best out-of-the-box audio quality experience when installing in low to moderate noisy environments. | |||
When installing in more challenging environments using high volume settings, some tuning might be needed by setting AEC and/or ANC to “Moderate” or “High”. | |||
=== | === DS-1601 Added support for the TA-10 Relay module in Zenitel Connect Pro=== | ||
Added support for the TA-10 relay module, the relay module is now configurable in Zenitel Connect Pro. | |||
=== DS- | === DS-1580 Added support for the ECPIR-3P-B call panel.=== | ||
=== DS-1516 Relays/outputs can now be triggered by multicast paging streams=== | |||
The activation is following the audio stream priorities in the multicast paging. | |||
===DS- | === DS-1259 In the Hostname field the maximum number of characters is increased to 64=== | ||
=== DS-769 STUN support for intercom devices=== | |||
Basic STUN support is added for intercom for peer to peer RTP media between two intercoms that communicate over public PBX. | |||
When STUN is configured to communicate on local network hairpin rules are required on router. | |||
<br> | <br> | ||
Revision as of 13:25, 30 January 2026
- Previous Release - Turbine 9.3 - Release notes
This document provides the release notes for VSF-Turbine 9.4 with incremental bug fix releases. The release notes describe new features, improvements and issues fixed after VSF-Turbine 9.3.3.1.
VSF-Turbine (vsft) is a firmware for Zenitel devices based on the IMX28 processor.
Release info
Name: VSF-Turbine
Description: VSF-Turbine is a firmware for Zenitel devices based on the IMX28 processor.
The firmware is delivered in two different ZIP archives and one swu file:
- vsft-9.4.x.x - Used for standard in-field upgrades
- vsft-prod-9.4.x.x - Used in production- and recovery upgrades
Version: vsft-9.4.3.0
Date: 30.01.2026
Status: General Availability
VSF-TURBINE 9.4.3.0
Improvements
DS-1634 TCIS-x: Changed the Acoustic Echo Cancellation (AEC) and Active Noise Cancellation (ANC) factory defaults settings to “Low”
This is to get the best out-of-the-box audio quality experience when installing in low to moderate noisy environments. When installing in more challenging environments using high volume settings, some tuning might be needed by setting AEC and/or ANC to “Moderate” or “High”.
DS-1601 Added support for the TA-10 Relay module in Zenitel Connect Pro
Added support for the TA-10 relay module, the relay module is now configurable in Zenitel Connect Pro.
DS-1580 Added support for the ECPIR-3P-B call panel.
DS-1516 Relays/outputs can now be triggered by multicast paging streams
The activation is following the audio stream priorities in the multicast paging.
DS-1259 In the Hostname field the maximum number of characters is increased to 64
DS-769 STUN support for intercom devices
Basic STUN support is added for intercom for peer to peer RTP media between two intercoms that communicate over public PBX.
When STUN is configured to communicate on local network hairpin rules are required on router.
Fixed Issues
MTN-4796 ONVIF Subscribe Enhancements
Subscription requests now accept any namespace in the Address field.
The “wsnt:Filter” element is now optional. If omitted, the subscription will include all topics by default.
MTN-4777 The speaker volume is now functioning correctly and retains its settings following a device reboot.
MTN-4742 ONVIF Improvement: Default Video Source Configuration
GetVideoSourceConfigurationOptions now returns a default video source configuration even when no configuration is specified.
MTN-4721 The tone used by Tone Test is no longer mixed with Line-In signal in ICX-AlphaCom mode
Prior to version 7.1, tone during the tone test was mixed with line-in signal if source was Line-In idle. Between versions 7. and 9.2, there was no tone at all if source was Line-In idle. This is now fixed. Line-in audio will now be muted during the tone test.
MTN-4688 Fixed issues with ONVIF backchannel RTSP failures on missing media
Now always creating full media pipeline for backchannel to ensure better compatibility.
MTN-4681 Ringing tone in ICX/AlphaCom now depends on setting in AlphaPro
Ringing tone level in ICX/Alphacom mode was low and did not respond to the Ringing Volume setting configured in AlphaPro. This is now fixed, ringing tone level is higher and dependent on value set in AlphaPro.
MTN-4660 Turbine Devices (TCIS, TFIE+) risk of power shutdown
Some Turbine devices could exceed the PoE Class 3 power limit (13.0W) at high gain settings or with certain audio signals, potentially causing unexpected shutdowns or reboots. A 100Hz high-pass filter is now implemented to block low-frequency energy that can cause excessive power draw. The maximum available gain configuration is also reduced to ensure devices stay within PoE Class 3 limits.
MTN-4566 Removed Partial Reboot Option
The Partial Reboot option has been removed from the device web recovery page.
Audio will no longer be interrupted or stopped when unrelated configuration change, such as adjusting the volume, are made.
MTN-4386 Added support for "Disable Recovery OS" quick action in IMT.
This allows disabling Recovery OS directly from IMT, enabling bulk firmware upgrades on Turbine Compact devices (later revisions) connected via NVT 2-wire switch.
MTN-4203 IP loudspeakers are now behaving correctly in simplex mode for all codecs
If codec was g.711u, IP speaker would disregard selected PTT mode and use Full duplex. This is now fixed.
MTN-4155 Edge Group Call: Support for Symbols and National Characters
Group call names that include symbols or national (non-ASCII) characters no longer cause calls to fail. While characters outside the Latin-1 character set may still not render correctly on display devices, the group call now connects and proceeds successfully, consistent with the behavior already supported for SIP name.
DS-1572 Audio Setup Real-Time challenges
Observed on Connect case call to queue four duplicated SDP in short time interval causing up two 4 start and stop on one setup. This optimization deprecates memory intensive AEC context save and restore by keeping state in code-object between calls. Also added state handling on new Audio Session separating network audio and audio engine initialize in different steps.
DS-1571 Duplicated SDPs from SIP-Invite/Re-Invite causes multiple audio start/stop with possible side effects
Observed on Connect case call to queue four duplicated SDP in short time interval causing up two 4 start and stop on one setup. This optimization check for duplicated SDPs in Re-Invites and do nothing if repeated with same parameters.
DS-1527 Zenitel Connect – Increased Virtual DAK Entry Limit
Fixed an issue where Virtual DAKs were limited to a maximum of 9 entries. Attempting to configure more than 9 entries caused configuration scrambling and an effective cap at 10 entries. The limit has now been lifted to support a larger number of entries reliably.
DS-1502 Multicast paging could stop working under some rare conditions
Multicast paging would stop working under some rare conditions, this is now fixed.