[sci.electronics] telephone line properties

robf@mcs213k.cs.umr.edu (Rob Fugina) (02/07/91)

I need to know some info about a telephone line...the kind of info someone 
would need if they were designing a solid-state, multi-line phone with hold.
Line impedence?  ring signal and audio signal specs?  Please help if you 
can!

Rob  robf@cs.umr.edu