Sip 403 forbidden

hello,

if I configure the extension (default) freepbx I get an error, whereas if I create myself in sip.conf it works: S

config on sip.conf

[general]
context=local
bindport=5060
bindaddr=0.0.0.0
srvlookup=yes
language=fr
[101]
secret=phone1
context=local
callerid=“phone 1” <101>
type=friend
host=dynamic
nat=yes
mailbox=101@default