asterisk users - Dec 2003 - Zhone Zplex Hack & Diddling the Battery

I came across this hack while looking through chan_zap.c.  Is this still
applicable for those w/ zplex cb's?  Is it a maybe need or an absolutely
need?  Any background info would be appreciated.

Sincerely,
Andy Hester
Consero
(817)375-1244
(817)937-7977