Release date:

  • December 2018


  • Client certificate and TLS v1.1 is enabled by default (automatically generated / enabled after update).
  • DNS-SRV improvement.
    • Fall-back during active call.
    • Subscribe when on Failover server is send to main server.
  • Saving LDAP entry in to local phone book.


  • Possible reboot when dialing Feature code (#51)
  • Dialing with pause "P" not possible.
  • N510 Name resolution „Unknown“

How to update:

Via the webpage:

  1. Download the software and store this on your own accessible http server.
  2. In the web-interface of the N510: Go to: Settings  » Management  » Firmware update
  3. Enter the URL for the new firmware in the User defined firmware file:
  4. Click on the button: Update firmware

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