{
  "sip": {
    "host": "0.0.0.0",
    "port": 5060,
    "transport": "udp",
    "publicIp": null
  },
  "rtpProxy": {
    "enabled": true,
    "host": "rtpproxy",
    "port": 7722
  },
  "dispatcher": {
    "asteriskServers": [
      {
        "host": "asterisk1",
        "port": 5060,
        "weight": 1
      },
      {
        "host": "asterisk2",
        "port": 5060,
        "weight": 1
      }
    ]
  },
  "logging": {
    "level": "info",
    "file": "logs/sbc.log",
    "maxSize": "10m",
    "maxFiles": 5
  },
  "security": {
    "maxForwards": 10,
    "enableUAFilter": true,
    "blockedUserAgents": [
      "friendly-scanner",
      "sip-scan",
      "sip-scaner",
      "sipvicious",
      "sip-sip"
    ],
    "allowedUserAgents": [
      "zoiper",
      "telephone",
      "linphone",
      "twinkle",
      "csipsimple",
      "sipdroid",
      "3cx",
      "asterisk",
      "kamailio",
      "freebox",
      "bria",
      "x-lite",
      "counterpath"
    ],
    "specialNumbers": [
      "3179",
      "8000",
      "*600",
      "888"
    ]
  },
  "registry": {
    "defaultExpires": 3600,
    "maxExpires": 3600,
    "minExpires": 60
  }
}