Hier noch die sip.conf:
[general]
language=de
tonezone=de
register => 623:
[email protected]:5060/623
[gateway](!)
description=Fritz!Box Registrar
context=macro-check-caller-reputation
call-limit=15
type=friend
insecure=invite
nat=force_rport,comedia
fromdomain=fritz.box
secret=asterisk623...