Hello all, I have asterisk-1.4.25, and having some problems with analog lines becouse my Telco does not have "disconnect supervision". So, i realize there are some switches on main/dsp.c: BUSYDETECT_MARTIN, BUSYDETECT_TONEONLY, and BUSYDETECT_COMPARE_TONE_AND_SILENCE. As far as i could read on the web, some people has use this to solve the "asteriks not hanging up" problem, and want to try them. I dont see anything about this on any Makefile, how do i enable thouse flags? Or is it that they are obsolete now? Thanks!