> Feb 4 08:30:59 centrale lb[3364]: NOTICE: <script>: Reply from Inbound - > S=407 - Proxy Authentication Required M=INVITE IP=udp:127.0.0.1:5062 > ID=bb2585e870d8d7d083e45d91fb032ada Usually it's not a good idea asking a peer to auth an incoming call, because they never do. Have you defined your peer correctly ?