[channels]
    context = from-pstn
    switchtype = national
    usecallerid = yes
    echocancel = yes
    echocancelwhenbridged = yes
    rxgain = 0.0
    txgain = 0.0

# set first local T1 line
    signalling = fxs_ks
    group = 1
    channel = 1-24

# set second T1 line (Long Distance)
    signalling = fxs_ks
    group = 2
    channel 25-48

# set legacy analog dual FXO A200 card for fax and legacy phoneline
    signalling = fxs_ks
    group = 3
    channel 49-50