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Basic question from a rookie

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canadianicon25
Basic question from a rookie

Hello everyone,

I should think my question will be an easy one:

What does the term 'battery' mean when connecting a butt set to the line side BIX and being able to blow into it and hear your own breath. This is on a PBX setup.

My question specifically is what does the term 'battery' mean?

sca344
battery is the dialtone. most

battery is the dialtone. most central offices have a kill battery number that you can call. however, dialing a single digit will kill the battery so you can check if there is any noise on the line.