How to reset 5400 series phones - Avaya 5400 Series 5410 Phone

Which phone? You list a 5400 series. That has a mute button on it. Just press the mute button.

Whoever administers the phone system will need to go in and do that with the "Manager" software. Thats the only way.

You will need to log into Manager to reset the password.

www.ipofficeinfo.com

Great IP office web site.

DO you have voicemail Pro? Change the time on that PC first.

Is that phone an extension of a hunt group? It could be getting messages from the hunt group.
Reboot the voicemail computer, that might reset the light.

A voicemail password, the extensions password or the password for the Phone manager pro software?

They don't exactly have item numbers. They're about $15 each, or $12 each for 3 or more plus shipping. Drop an email to [email protected]

You'll need to reset the factory defaults.
Download the User Guide (PDF) from here:
http://www.lexmark.com/publications/pdfs/2007/4800/en.html
(I'm assuming you have the something in the 4800 series of printers, though you posted your question in the 5400 series section)

Go to page 56&57 and follow the directions there.

If you have the 5400 series, the link is here:
http://www.lexmark.com/publications/pdfs/2007/5400/en.html
See page 123.

hp deskjet 5400 series-etat