Question about Panasonic KX-T7433B Corded Phone

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We acquired a phone system with our new building and I want to get the old owners message off the machine but I don't know their login. Is there a way for me to do a hard reset on the phone system? Its a Panasonic KX-T7433

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A Panasonic 7433 is just a phone. It plugs into a Panasonic TD phone system and the voice mail system, probably a TVS, connects to the same TD system. Look at the box. Underneath or on the lower right side is either a DB-9 or DB-25 serial connector. If you don't have ANY passwords, you need to set up a PC running terminal software and try to log into the VM system itself. The default password is 1234, but if that doesn't work, you're going to have to default the voice mail and start over.

A Panasonic dealer can initialize the system and reprogram it in about an hour or less or you can grab an installation manual and try it yourself. No matter how you look at it, you're going to need to read the database if you can't find the installer's notes. There are 100 custom service menu locations and 32 company greetings that lurk in the system.


Posted on Mar 30, 2011


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