Something
public text v1 · immutable[port_config]
; E1 PUBLICO da Intelig
context=from-e1-externo
signalling=r2mfc_ndis_fixed
min_digits_rx=1
max_digits_rx=4
interdigit_timeout=2500
b_subscriber_hangup=0
port_id=1133047700
cid_pos=2
category=1
group_b_value=1 ;1-FREE_CALLING
tx_gain = -2
rx_gain = 4
echocan=1
accountcode=e1
silence_threshold=-18
ports => 1-30