{
  "method": "INVITE",
  "uri": "sip:sips%3Auser%40example.com@example.net",
  "version": "2.0",
  "headers": {
    "to": {
      "uri": "sip:%75se%72@example.com",
      "params": {}
    },
    "from": {
      "uri": "sip:I%20have%20spaces@example.net",
      "params": {
        "tag": "938"
      }
    },
    "max-forwards": "87",
    "call-id": "esc01.239409asdfakjkn23onasd0-3234",
    "cseq": {
      "seq": 234234,
      "method": "INVITE"
    },
    "via": [
      {
        "version": "2.0",
        "protocol": "UDP",
        "host": "host5.example.net",
        "params": {
          "branch": "z9hG4bKkdjuw"
        }
      }
    ],
    "content-type": "application/sdp",
    "contact": [
      {
        "uri": "sip:cal%6Cer@host5.example.net;%6C%72;n%61me=v%61lue%25%34%31",
        "params": {}
      }
    ],
    "content-length": 150
  },
  "content": "v=0\r\no=mhandley 29739 7272939 IN IP4 192.0.2.1\r\ns=-\r\nc=IN IP4 192.0.2.1\r\nt=0 0\r\nm=audio 49217 RTP/AVP 0 12\r\nm=video 3227 RTP/AVP 31\r\na=rtpmap:31 LPC\r\n"
}