> At 14:58 10/09/99 +0200, you wrote:
> >I'd like to know how much current can be legally drawn from the CO line
by a
> >line-powered device.

> This depends on the counrty that the device is going into. Nominally over
a
> 30 minute period the average must be 50uA or less, with short (Very short)
> spikes of up to 5mA permitted

Off hook, you're only guaranteed 20mA, and at no particular voltage.
Typically, you get closer to 50-100mA at 4-12V, but it's a pretty fuzzy
number.