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  1. S

    Panasonic KX-NT546

    A week later, the problem reappeared. Can I downgrade the firmware on the KX-NT546?
  2. S

    Panasonic KX-NT546

    Thank you! The speed in auto-negotiation was not working correctly. I set it manually on the phone and switch. The problem is gone!
  3. S

    Panasonic KX-NT546

    Installed PNT540_002_000_002. One hour of work and no one can hear anything.
  4. S

    Panasonic KX-NT546

    I have KX-NT546 Is there a up firmware with software?

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