Why can't I mute my Mitel IP Phone using the Sound off key?
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suttonnicholasSep 12, 2025
If you are unable to mute your Mitel IP Phone by long-pressing the Sound off key, it is due to a handset restriction preventing the user from silencing the handset. Enable the parameter Possible to turn off sound, see Configuration Manual, Mitel 5614 DECT Handset, TD 93176EN.
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Christina PotterSep 13, 2025
Why can't I switch off my Mitel IP Phone?
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Rhonda SmithSep 13, 2025
If you're unable to switch off your Mitel IP Phone by long-pressing the On-hook key, it's because a handset restriction is preventing you from switching off the handset. Disable the parameter Prevent switch off, see Configuration Manual, Mitel 5614 DECT Handset, TD 93176EN.
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Cynthia SawyerSep 15, 2025
What does 'Service needed' mean on my Mitel IP Phone?
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Randy GeorgeSep 15, 2025
If your Mitel IP Phone displays 'Service needed', it indicates that the parameters are corrupt or the IPDI is invalid. Send the handset for service.