Code cho các loại trung kế dành cho tổng đài IP
CARD E1
host=10.111.50.40
canreinvite=no
type=peer
qualify=yes
disallow=all
insecure=very
allow=ulaw&alaw,gsm
GETWAY SIM
host=192.168.1.235
type=peer
qualify=yes
disallow=all
allow=ulaw,alaw,gsm
GETWAY 4108
type=peer
context=from-internal
host=192.168.1.252
insecure=port
qualify=yes
Siptrunk
disallow=all
host=210.245.15.19
type=peer
allow=ulaw&alaw
nat=yes
canreinvite=yes
qualify=yes
context=from-trunk
insecure=very
dtmfmode=rfc2833
DAG
Type=peer
Qualify=yes
Insecure=very
Host=192.168.1.244
Disallow=all
Canreinvite=no
Allow=ulaw&alaw
Code trunk 2 tổng đài bằng Ext
context=from-internal
host=118.70.151.168
type=peer
qualify=yes
port=5060
allow=all
trunking=yes
canreinvite=no
username=424
secret=424@abc
fromuser=424
fromdomain=118.70.151.168
insecure=very
Tìm hiểu thêm về tổng đài ip