{
  "method": "!interesting-Method0123456789_*+`.%indeed'~",
  "uri": "sip:1_unusual.URI~(to-be!sure)&isn't+it$/crazy?,/;;*:&it+has=1,weird!*pas$wo~d_too.(doesn't-it)@example.com",
  "version": "2.0",
  "headers": {
    "via": [
      {
        "version": "2.0",
        "protocol": "TCP",
        "host": "host1.example.com",
        "params": {
          "branch": "z9hG4bK-.!%66*_+`'~"
        }
      }
    ],
    "to": {
      "name": "\"BEL:\\\u0007 NUL:\\\u0000 DEL:\\\"",
      "uri": "sip:1_unusual.URI~(to-be!sure)&isn't+it$/crazy?,/;;*@example.com",
      "params": {}
    },
    "from": {
      "name": "token1~` token2'+_ token3*%!.-",
      "uri": "sip:mundane@example.com",
      "params": {
        "fromparam''~+*_!.-%": "\"работающий\"",
        "tag": "_token~1'+`*%!-."
      }
    },
    "call-id": "intmeth.word%ZK-!.*_+'@word`~)(><:\\/\"][?}{",
    "cseq": {
      "seq": 139122385,
      "method": "!interesting-Method0123456789_*+`.%indeed'~"
    },
    "max-forwards": "255",
    "extensionheader-!.%*+_`'~": "大停電",
    "content-length": 0
  },
  "content": ""
}