When sip set debug off, get 407 Proxy Authentication Required(appear 2 times, and no 200 response after 183 session progress). But if set debug on, it works normally. could someone help to check?
sip.conf
[123456789]
username=123456789
secret=222222
type=peer
nat=auto
port=5060
host=abc.sip.com
fromuser=123456789
fromdomain=abc.sip.com
insecure=invite,port
authuser=123456789