Something
public text v1 · immutable[channels]
language = en
context = default
switchtype = national
;T400P
signalling = pri_cpe
switchtype = dms100
group = 1
context = in-pri
channel => 1-23,25-47,49-71,73-95
musiconhold = default
;X101P
signalling = fxs_ks
group = 2
context = in-fxo
channel => 97-98
musiconhold = default
echocancel = yes