drachtio.conf.json

{
  "admin": {
    "host": "localhost",
    "port": 9022,
    "secret": "cymru"
  },
  "_request-handlers_": {
    "INVITE": "http://35.187.89.96:80" 
  },
  "sip": {
    "contacts": [
      {
        "uri": "sip:*;transport=udp,tcp",
        "_external-ip_": "35.187.22.33",
        "_dns-names_": "server01.mydomain.com"
      }
    ],
    "timers": {
      "t1": 500,
      "t2": 4000,
      "t4": 5000,
      "t1x64": 32000
    },
    "_capture-server_": {
      "host": "127.0.0.1",
      "port": 9060,
      "hep-version": 3,
      "id": 101
    },
    "_tls_": {
      "key-file": "/etc/letsencrypt/live/yourdomain/privkey.pem",
      "cert-file": "/etc/letsencrypt/live/yourdomain/cert.pem",
      "chain-file": "/etc/letsencrypt/live/yourdomain/chain.pem"
    },
    "_mtu-size_": 4096,
    "_outbound-proxy_": "sip:10.10.10.1:5088",
    "spammers": {
      "action": "reject",
      "tcp-action": "discard",
      "headers": {
        "User-Agent": ["sip-cli", "sipcli", "friendly-scanner"],
        "To": ["sipvicious"]
      }
    },
    "cdrs": false
  },
  "logging": {
    "console": false,
    "_syslog_": {
      "host": "my.syslog.server",
      "port": 514,
      "facility": "local6"
    },
    "file": {
      "name": "/var/log/drachtio/drachtio.log",
      "archive": "/var/log/drachtio/archive",
      "max-size": 5120,
      "min-size": 10240,
      "auto-flush": true
    },
    "level": "info",
    "sofia-level": 3
  }
}