Related Manuals for SpectraLink S35 Series
Summarization of Contents
Introduction
Terms and Definitions
Lists and defines abbreviations used in the release notes, such as MSF, PBX, PCS, P-ID, SUOTA, ARI, and COTA.
Release Scope
Explains that these notes cover Spectralink S 33-35-37 Series handsets, focusing on PCS25C - R1.2 2025.
Upgrading the Handset
Provides instructions for updating handset firmware wirelessly via the Spectralink Support Portal or offline using a Software Upgrade Tool.
Changes and Updates
Version PCS25C - R1.2 2025
Features improvements in monitoring/recovery from microphone mute errors and general code stability enhancements.
Version PCS25B - R1.1 2025
Includes improved monitoring and recovery for Microphone Mute error conditions.
Version PCS25A - R1 2025
Details loneworkermode updates, iBeacon support, and changes to default backlight delay settings for power conservation.
Version PCS24H - October 2024
Introduces improvements in firmware update process, faster flash writing, and extended idle time for S33 and S35-37 models.
Version PCS24G - June 2024
Adds side key shortcuts, flashlight control via messaging API, synchronized backlight, and reduces SUOTA upgrade time.
Version PCS24C - March 2024
Unifies firmware for S33-S35-S37, prevents SUOTA downgrade, and adds support for Configuration Over The Air (COTA).
Version PCS24A - Feb 2024 (S33 only)
Reintroduces the 'msf-tone-in-a-call' submenu and fixes a memory leak causing handset reboots after extensive calls.
Version PCS23H - Dec 2023 (S33 only)
Resolves an issue with automatic Bluetooth firmware updates failing at 99%.
Version PCS23G - Dec 2023 (S33 only)
Improves battery life in idle mode, enhances charger LED indication, and adds automatic Bluetooth firmware updates.
Version PCS23F - Nov 2023 (S33 only)
Adds support for Teams integration, DECT Security step B, auto keylock, Fast Antenna Diversity (FAD), and production test updates.
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