Release Notes

Release Date:





  • general stability improvement
  • VLAN support
  • 3rd party App support for Audio
  • Automatic reboot option
  • QoS Settings for video rtp
  • Adding Danish/Swedish/Polish language
  • Updated Italian language
  • MWI messages for missed calls and voicemail are shown in the notification bar
  • Optimized search engine in directory
  • DND button on Home Screen
  • Firmware upgrade tone loudness
  • Broadsoft improvements


  • Malfunctioned dial tone with narrow band codecs
  • DND Icon not working sometimes with UCI configuration
  • Maxwell Unauthenticated Auto provisioning
  • Maxwell Unauthenticated Admin Password Reset
  • Robot voice when accepting call waiting
  • Robotic Noise when conference call is done Hold and resume, and the paricipants has different codecs(NB and WB)
  • Changing corded HS or DECT HS volume via volume bar has no effect
  • Incorrect offer-answer model
  • Call drops
  • Broadsoft - XSI Call Forward and DND retrieval interval is very short
  • Maxwell SW Session timer issue, calls disconnected after 30 minutes
  • [Call List] Broadworks - Call History HTTP request suboptimal
  • Call Divert App: XSI modifying doesn't work after 302 Redirect
  • DECT on/off switch: If this Android setting is switched to off the DECT transmission has to be switched off
  • SW 1.0.7 Auto provisioning - Server URL in web-interface
  • Door interphone „key“ button Maxwell 10
  • Unify - Display Problem transfer call
  • High beep tone for 4 seconds when clicking on a button instead of normal touch tone
  • No registration from handset possible after factory reset
  • Loud noise after starting firmware update
  • EHS / DHSG: Protocol issue
  • Not possible to answer the call with DECT HS
  • Set Default date as 1st Jan 2014
  • Maxwell Unauthenticated Admin Password Reset
  • Maxwell Unauthenticated Auto provisioning
  • Interop improvements for Polycom video calls
  • Maxwell speakers are not switched off when Maxwell is in idle state
  • DTMF tones are not transmitted correctly
  • Character '+' is encoded as '%2b' in SIP message
  • Sip accounts and web-GUI displays incorrectly names with umlauts
  • Problems with TLS registration
  • EHS/DHSG headset improvements
  • Dect battery charging icon is missing in the status bar
  • Provisioning improvements
  • Door intercom „key“ button Maxwell 10 does not send DTMF code
  • DECT handset improvements
  • German-Telekom-IP-All accounts improvements.
  • General Bugfixes

Known Issues

Firmware update

Firmware update


In the webinterface of the Maxwell 10 go to: 

Settings - System - Firmware update

Data server URL =

Click on Update firmware and the latest Firmware that is online will be downloaded.



First download the Firmware on your PC and unpack the zip file. You will get a .txt file with the Open Source License text and an encrypted zip file which is your firmware image.

In the webinterface of the Maxwell 10 go to:

Settings - System - Firmware update

Click on "Choose File" and select the Firmware file.

Click on "Load" to start the upgrade.





Software versions
Build number80_1_1.2.16
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