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What's new in AudioCodes Native Teams IP Phones devices?

AudioCodes offers a range of Microsoft Teams IP phones designed to deliver high-quality communication experiences. The C430HD & C435HD are an entry level/common area phones that provides essential features for unified communications in shared spaces or phone booths. The C455HD is a high-end IP phone with integrated Bluetooth and dual-band Wi-Fi, and ability to add a color touch expansion module. The C470HD is the top-of-the-line model, featuring a full touch screen, integrated Bluetooth and dual-band Wi-Fi, ensuring a premium user experience. 

Release Versions:

Release Versions:

Version 2.7.358
Version 2.3.497
Version 2.3.480
Version 2.3.461
Version 2.3.453
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May 2, 2025
Version 2.7.358
  • C430HD
  • C435HD
  • C436HD
  • C455HD
  • C470HD

Supported Models:

Release Notes

Microsoft Applications:

  • Microsoft Teams: 2025084203 (also known as 1.6.0) -
    For Microsoft’s ‘Release Notes for Microsoft Teams Phones’, click here.
  • Authenticator: 6.2410.7268
  • Microsoft Intune: 24.09.1
  • Admin Agent 753

Main Features In This Release:

C436HD New Teams Phone Model 

The AudioCodes C436HD IP phone is a Microsoft Teams-native entry level/common area phone designed to support the next generation of enterprise collaboration technologies, and is an excellent choice for retail environments looking for reliable, user-friendly solutions. Equipped with a 4.3” color LCD screen, an integrated sidecar and a dedicated Teams button, the C436HD supports Microsoft Teams out-of-the-box to deliver feature-rich unified communications.

AudioCodes Calling Application for Emergency Failover 

This new SIP fallback feature ensures that users can make calls even if Microsoft Teams is unavailable. The device maintains internet connectivity via the SBC using a SIP-based application, allowing users to call pre-configured numbers, such as emergency contacts, when the feature is activated.

 

Key Highlights:

  • SIP Fallback Capability: Enables users to make calls through a SIP-based application when Teams is unavailable, ensuring continuous communication.
  • Pre-configured Numbers: Users can only call predefined numbers, such as emergency contacts, during failover.
  • System Administrator Configuration: Administrators can enable this feature, configure SIP parameters, and set predefined numbers during the phone configuration phase. For detailed configuration instructions, refer to the Administrator’s and User’s  manual.

Support for Line Key Assignment 

The Teams application now supports the assignment of contacts to line keys, enabling speed dialing and displaying Teams presence status. This feature enhances user convenience by utilizing the main LCD side keys on the C430HD, C435HD, and C436HD models, which were previously unused. Users can now assign up to six line keys for quick access to their contacts:

Force Users to Change Lock PIN 

The Teams application now supports this ability. Administrators can now configure an option that forces users to change their device lock PIN. This is achieved by setting up the new configuration file parameter forceChangePIN, which mandates users to update their device lock PIN.

Return to Previous Version 

In response to the previous release’s downgrade block, AudioCodes has introduced a new, controlled option for reverting to the previous firmware version. This feature allows Administrators users to return to the firmware version stored on the device after completing their evaluation of a new build

Release Notes
February 26, 2025
Version 2.3.497
  • C430HD
  • C435HD
  • C455HD
  • C470HD

Supported Models:

  • C430HD
  • C435HD
  • C455HD
  • C470HD

Microsoft Applications:

  • Microsoft Teams: 2024122303 (also known as 1.5.0) -
    For Microsoft’s ‘Release Notes for Microsoft Teams Phones’, click here.
  • Authenticator: 6.2410.7268
  • Microsoft Intune: 24.09.1
  • Admin Agent 733

Main Features In This Release:

Moving Teams Android Devices to AOSP Device Management

  • Starting from this release, Microsoft Teams Android devices now use Intune Android Open Source Project (AOSP) device management.
  • For more info about the AOSP migration, please refer to here.
January 1, 2025
Version 2.3.480

Supported Models:

  • C430HD
  • C435HD
  • C455HD
  • C470HD

Microsoft Applications:

  • MicrosoftTeams-2024092304 (a.k.a. 1.3.1)
  • Authenticator: 6.2410.7268
  • Microsoft Intune: 24.09.1
  • Admin Agent 733

Main Features In This Release:

Moving Teams Android Devices to AOSP Device Management

  • Starting from this release, Microsoft Teams Android devices now use Intune Android Open Source Project (AOSP) device management. 
  • For more info about the AOSP migration, please refer to Moving Teams Android Devices to AOSP Device Management | Microsoft Community Hub.
Library
Release Note
November 25, 2024
Version 2.3.461

Supported Models:

  • C430HD

Microsoft Applications:

  • MicrosoftTeams-2024080808 (a.k.a. 1.2.1)
  • Company Portal 5.0.6152.0
  • Admin Agent 733

Main Features In This Release:

First C430HD release

October 2, 2024
Version 2.3.453

Supported Models:

  • C435HD
  • C455HD
  • C470HD

Microsoft Applications:

  • MicrosoftTeams-2024080808 (a.k.a. 1.2.1)
  • Company Portal 5.0.6152.0
  • Admin Agent 703

Main Features In This Release:

Version 2.3.453 delivers Android OS12

  • Phones can be updated to Android OS12 via the intermediate firmware version of 1.19.642 (or any later 1.19 build). Note that the phone will not be restored to its default settings as a result of this upgrade.
  • Applies to C430HD, C435HD, C455HD and C470HD.
    Inapplicable to C448HD and C450HD

Block firmware downgrade

  • Starting from this version release, firmware downgrade is blocked. This will prevent a possible race condition between Microsoft TAC and AudioCodes’ OVOC | Device Manager

 

July 23, 2024
| Version 2.3.423
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