Denoise / agc

added to /extensions_override_freepbx.conf

[macro-dial-one]
; denoise
exten => s,37,Set(DENOISE(rx)=on)
exten => s,38,Set(DENOISE(tx)=off)
; agc
exten => s,39,Set(AGC(rx)=8000)
exten => s,40,Set(AGC(tx)=off)

exten => s,41,GotoIf($["${USEGOTO}"=“1”]?usegoto,1)
exten => s,42(godial),Dial(${DSTRING},${ARG1},${D_OPTIONS})
exten => s,43,ExecIf($["${DIALSTATUS_CW}"!=""]?Set(DIALSTATUS=${DIALSTATUS_CW}))
exten => s,44,GosubIf($["${SCREEN}"!=""|"${DIALSTATUS}"=“ANSWER”]?s-${DIALSTATUS},1)
exten => s,45,MacroExit()
exten => s,46(nodial),ExecIf($["${DIALSTATUS}" = “”]?Set(DIALSTATUS=NOANSWER))
exten => s,47,Noop(Returned from dial-one with nothing to call and DIALSTATUS: ${DIALSTATUS})
exten => s,48,MacroExit()