====== bind extension ======

  * Reques String:
<code> EVENT=SetDevice&orgidentity=orgidentity&exten=exten&user=user&pwdtype=pwdtype&password=password</code>
  * Description:
Change agent bind number, agent need to check out of agent group before using this API.
  * Parameters:

^ Params      ^ Type       ^ Description          ^
|EVENT|String|SetDevice|
|orgidentity|String|team identity string|
|exten|String|extension number|
|user|String|agent No.|
|pwdtype|String|password type: plaintext/md5|
|password|String|password|


  * 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>|