From: feotus@yabbs
To: all@yabbs
Subject: out of band signalling
Date: Fri May  6 17:43:01 1994

 
Do any of the real phreakers out here have any info on what frequency the 
phone co will be using for out of band signalling.  It seems that some 
local payphones have switched to it.  They have to install new hardware on 
the payphone since it is a band that is out of the normal ~~4kHz channel 
that phonelines use.
 
It wont be going thru the reciever so I assume you'll need to patch into 
the line director before it gets to the phone.