1.
HTTP/1.1 201 Created
Allow: POST, OPTIONS
Connection: keep-alive
Content-Type: application/json
Date: Tue, 21 Jun 2016 05:42:44 GMT
Server: Apache/2.4.7 (Ubuntu)
X-Frame-Options: SAMEORIGIN
transfer-encoding: chunked
[
{
"callid": "a4963d84-1a9c-4fc7-9ac0-a9dc582168e9"
}
]

2.
HTTP/1.1 200 OK
Allow: GET, HEAD, OPTIONS
Connection: keep-alive
Content-Length: 304
Content-Type: application/json
Date: Tue, 21 Jun 2016 05:49:07 GMT
Server: Apache/2.4.7 (Ubuntu)
X-Frame-Options: SAMEORIGIN
{
"caller": "01234567890123",
"callid": "a4963d84-1a9c-4fc7-9ac0-a9dc582168e9",
"cost": 16,
"duration": 7,
"end_time": "2016-06-21 05:43:01",
"recipient": "+81805469XXXX",
"start_time": "2016-06-21 05:42:44",
"status": "ANSWERED",
"url": "https://api.xoxzo.com/voice/simple/playback/a4963d84-1a9c-4fc7-9ac0-
a9dc582168e9/"
}

3.
GET <action_url>/?
caller=+8180123456789&recipient=+8150123456789

4.
playback http://example.com/media.mp3
transfer +81807181881