Help me : I can't create SIP trunk

i have peer detail in SIP trunk :
host=192.168.89.176
username=********
secret=********
type=peer
context=from-trunk
dtmfmode=rfc2833
disallow=all&all
canrenvite=no
allow=g726&g729&ulaw&alaw
fromdomain=192.168.89.176
bindport=5060
qualify=yes

but :

sip show registry
Host dnsmgr Username Refresh State Reg.Time
0 SIP registrations.

So, pls help me

You’re trying to register your trunk to your own server.