[Asterisk-Dev] Raising loop current limit on the Proslic (reg.71)

[Rich Adamson]

> > Since a standard analog line is at least 30 mA,
> 
> Actually the telco loop is an industry standard 20mA loop, at least in North 
> America.  Perhaps over the years the loop current's been bumped up but 
> unless I'm grievously mistaken you are guaranteed 20mA out of the gate and 
> that's it.

The 20ma loop is sort of typical. It actually can range from a low of about
12 ma up to about 30+ ma depending upon how far away from the central office
the user happens to be, the gauge of copper plant, the telco engineers, etc.