SwyxPhone L420 Firmware v1.1.4 (kb2264)

The information in this article applies to:

  • SwyxPhone L420

[ Summary | Information | Links ]


With SwyxWare v4.01 Swyx ships also a new Firmware (v1.1.4) for the SwyxPhone L420. Via this article it is possible to download the firmware seperately for older SwyxWare versions.


Please refer to the SwyxWare documentation for installation instructions.

The new firmware fixes mainly problems when using compressed speech connections.

Tip: there is a Knowledgebase article describing how to use Quality of Service with the SwyxPhones:

(The download package below is originally linked to this article so it includes beside the firmware also some other files.)


As far as software supplied or used by us, includes open source elements the additional terms under apply in addition. An overview which products from the Swyx portfolio include open source elements and which open source license is relevant can be found under
  • SwyxPhone L420 Configuration file, Firmware v1.1.4
    This package includes the config.ini file (in English and German) as described in the article as also the SwyxPhone Firmware v1.1.4

The third-party contact information included in this article is provided to help you find the technical support you need. This contact information is subject to change without notice. Swyx in no way guarantees the accuracy of this third-party contact information nor is responsible for it's content.


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