VSF-Display Series 9.4 Release Notes

• Previous Release - VSF-Display Series 9.3 Release Notes

This document provides the release notes for VSFF8MP 9.4 with incremental bug fix releases. The release notes describe new features, improvements and issues fixed after vsff8mp-9.3.3.1.

Release info

Name: VSF-Fortitude8
Description: vsff8mp is a firmware for devices in the Zenitel Display Series.

The firmware is delivered in two different files:

• vsff8mp-9.4.3.x - Used for standard in-field upgrades
• vsff8mp-prod-9.4.3.x - Used in production- and recovery upgrades.

Version: 9.4.3.1
Date: 30.01.2026
Status: General Availability

VSFF8MP 9.4.3.1

Improvements

DS-1638 The default Acoustic Echo Cancellation (AEC) profile is tuned for better double-talk and voice quality.

The default AEC filter configuration is set to do less processing of the audio signal for best voice switching, double-talk and voice quality. When installed in challenging environments using high volume settings, the AEC level might have to be set to Moderate or High to remove echo return.

DS-1613 ZDD now has search option for address book

User can enable search option over web. Keyboard will appear to search contacts.

DS-1585 Far-End Signal Squelch configuration changes needed reboot to apply

Now Squelch parameters are applied on the-fly when saving changes.

DS-1557 New option to hide the on screen clock

A new setting is now available on the device web interface that allows to hide the on screen clock.

DS-1553 Reduced audible hiss from ZMK-1/RDP speaker when idle or at low audio levels

The ZMK-1/RDP now disables the speaker amplifier when there is no active audio. If Far-End Signal Squelch (FESS) is enabled, active squelch will also disable the amplifier, reducing audible hiss when the line is idle or audio levels are low.

DS-1516 Relays/outputs can now be triggered by multicast paging streams

The activation is following the audio stream priorities in the multicast paging.

Fixed Issues

MTN-4820 The Volume settings in the web interface accepted input values outside the defined maximum/minimum range.

Volume settings now only accepts input values within the defined maximum/minimum range.

MTN-4709 Fixed an issue where logo upload failed for filenames over 50 characters

Previously, uploading a logo file with a filename longer than 50 characters would fail silently, resulting in a broken image link in the browser. Deleting the missing logo could cause the device to reboot. This issue has been resolved: uploads with filenames exceeding 50 characters are now blocked with an error message, preventing broken images and device crashes.