Here is the list of supported Audiocodes Manufacturer Part Numbers to use with Webex Calling. These models contain the required preinstalled client certificate from the factory.

  • MP124/24S/AC/SIP

  • MP124/24S/AC/SIP/D

Use this procedure if you didn’t purchase or lease your ATA Audiocodes directly through your Service Provider. Since, the Webex Calling factory shipped devices are configured with the appropriate firmware and configuration files.


Verify that the firmware version of your device matches MP124E_SIP_F6.60A.362.002.cmp. This check ensures that your device connects successfully to the configuration server. This article contains the Webex Calling version of the Audiocodes ATA Firmware.

It’s important to note that Webex Calling uses proprietary versions of Audiocodes ATA Firmware loads with the Audiocodes ATAs. As this software may not be readily available to end customers, we’ve attached them to this article.

  • Webex Calling Manual Reconfiguration Procedure:

    • AudioCodes MP-1xx ATA Manual Reconfiguration Procedure Webex Calling.doc

  • Webex Calling Proprietary Firmware Files: (Firmware contained in a single .ZIP file)

    • Audiocodes MP-124E Device = MP124E_SIP_F6.60A.362.002.cmp

  • Webex Calling Default Configuration Files: (Configuration files are contained in a single .ZIP file)

    • Audiocodes MP-124E = MP-124-Cisco Webex Calling.ini

If you require assistance with adding your Audiocodes ATA to the Webex Calling Service, contact your Customer Service team to assist.


Webex Calling currently only supports the FXS only versions of the Audiocodes ATA. Models supported include: AudioCodes MediaPack 124E- 24FXS.

  • The following files are contained here:

    • AudioCodes MP-1xx ATA Manual Reconfiguration Procedure.pdf