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What's new in AudioCodes Generic SIP IP Phones and Gateways devices?

The 425HD is an advanced, mid-range business IP phone for office workers and common area users, featuring a large multi-lingual 3.5” color non-touch display and 8 programmable multi-function keys. The 445HD is a high-end IP phone with an integrated sidecar, providing additional programmable keys for enhanced functionality. The C450HD is a versatile IP phone with optional expansion, supporting advanced connectivity options and a sleek design. These devices ensure seamless and productive communication for various business environments.

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May 6, 2025
Version 3.5.1.75
  • 445HD
  • 425HD
  • C450HD

Supported Models:

Release Notes

Main Features In This Release:

SCEP: Certificate Signing Request Enhancements

Includes adding retry attempts to the certificate enrolment and renewal process and supporting Subject Alternative Name (SAN) attributes in certificate signing requests.

SCEP: Automatic Fetch of One-Time Password and Certificate Thumbprint

Supports retrieving the SCEP one-time password and certificate thumbprint from the OTP server.

Provisioning of Corporate Directory file

Support uploading a local corporate directory file by provisioning. Supports .txt or .cfg format. Users can search and dial contacts from the local directory.

Ability to Disable/Enable Features and Keys on IP Phone

The network administrator can disable access to specific features. The feature is motivated by the requirement on the part of some enterprises to control the setting remotely to comply with company policy.

Supports enabling or disabling the display of DTMF digits on screen during a call

Note: 

  • Microsoft SIP G/W - This version is currently under review by Microsoft for certification with the SIP Gateway environment, intended to replace the existing GA version. AudioCodes has already approved it for use in this environment.
    Until Microsoft completes their approval and updates the version on their servers, OVOC customers can obtain the firmware directly from AudioCodes and begin using it.
  • Zoom – We are finalizing a few additional adjustments for the Zoom environment. An updated version with minor modifications will be released by Zoom, expected within the coming several weeks

 

January 1, 2025
Version 3.5.0.171
  • 425HD
  • 445HD
  • C450HD

Supported Models:

  • 425HD

Main Features In This Release:

425HD – A new AudioCodes Generic SIP phone

The 425HD IP phone is an advanced, mid-range business IP phone for office workers and common area users. Designed with simplicity very much in mind, it is equipped with a large multi-lingual 3.5” color non-touchable display and has 8 programmable multi-function keys.

The 425HD phone is a generic SIP device, also targeted to Microsoft SIP G/W environment and by the end of Q1, is planned to be certified by Zoom.

425HD

January 15, 2025
Version 3.4.8.808.21

Supported Models:

  • 425HD
  • 445HD
  • C450HD

Main Features In This Release:

Support certificate enrollment using Simple Certificate Enrollment Protocol (SCEP) using Microsoft’s Network Device Enrollment Service (NDES) server

Ability to configure Wi-Fi from configuration file

Support Wi-Fi working with EAP-TLS authentication

Disable sending Subscribe message

February 2, 2025
Version 3.4.8.808.13

Supported Models:

  • 425HD
  • 445HD
  • C450HD

Main Features In This Release:

Approved release to Microsoft for the SIP Gateway

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