Schema used to obtain all headers registered with the user's account and identify which is the default value. A user may specify any of these headers to be used when sending a message and this will appear on the recipient's handset (unless the SMS carrier requires an alternative value). If no header is explicitly specified then the default option will be used. Information on purchasing additional headers for an account may be found here.
The 'UserID' and 'Password' elements identify the account. The 'ServiceName' element must be set to 'AccountRetrieveHeaders'. The 'SoftwareVersion' element is for internal 2SMS use only and should not be set. There should be an empty 'ServiceDetail' element.
This method returns a succesful "00/OK" response if the user's headers are successfully obtained. The 'Result' element confirms this.
The 'Detail' element contains one or more 'Header' child elements, each of which contains a header registered with the account. The user's default header is identified by the element which has its 'default' attribute set to 'true'.