====== transfer to IVR ======

  * Reques String:
<code>EVENT=AgentToIvr&orgidentity=orgidentity&usertype=usertype&user=user&pwdtype=pwdtype&password=password&ivrexten=ivrexten&ivrflow=ivrflow&transfer=transfer
</code>
  * Description:
transfer to IVR
  * Parameters:

^ Params      ^ Type       ^ Description          ^
|EVENT|String|AgentToIvr|
|orgidentity|String|team identity string|
|usertype|String|agent / account|
|user|String|agent No. / username|
|pwdtype|String|password type: plaintext/md5|
|password|String|password|
|ivrexten|String|IVR exten number|
|ivrflow|String|IVR flow, to simulate user input, use - as separator if you have multiple flow, such as 1-2-5 means customer press 1 in 1st flow, 2 in 2nd and 5 in 3rd|
|transfer|String|IVR transfer mode: 0 release transfer, 1 hold transfer|



  * Return Format：

<code>
|Retuen|code|Retuen|message
</code>

  * Type of the Return Value: String
  * Return values：

^ Value     ^ Description       ^
|<code>|Retuen|1|Retuen|message</code>|<code>|Retuen|succeed|Retuen|message</code>|
|<code>|Retuen|2|Retuen|message</code>|<code>|Retuen|failed|Retuen|message</code>|