PJSIP extension setup without auth filed

HI,

when we setup SIP only local network.
we want reduce server resouce such as SIP REGISTER with auth.

it will be great option that “without auth” on pjsip.conf like this
of course with auth is defult.

[0105](p1)
type=endpoint
;auth=auth0105 <============here start ; comment
outbound_;auth=auth0105
aors=0105
deny=0.0.0.0/0
permit=0.0.0.0/0
dtmf_mode=rfc4733
message_context=messages
set_var=DEVICENAME=0105
tone_zone=tw
set_var=CHANNEL(parkinglot)=parking-2
allow=!all,ulaw,alaw,gsm,g729,opus,vp8,vp9,h264,h263p,h263
language=ko
moh_suggest=default
context=T2_cos-all
mailboxes=105@ipcc-voicemail
device_state_busy_at=0
callerid="단말번호 105" <105>

[auth0105]
type=auth
auth_type=userpass
username=0105
password=1xxxxxxx

[0105](p1-aor)
type=aor
max_contacts=1

thanks