Element Specifications for Cisco Unified CVP VXML Server and Call Studio, Release 12.5(1)

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Updated:: January 31, 2020

CVP Subdialog Return

For a Cisco Unified CVP Voice application invoked as a subdialog, the CVP Subdialog Return element must be used to return data back to the calling application. The element should be used in place of Hang Up elements throughout the call flow. Like a Hang Up element, the element has no exit states.

Note

There is one exception to the above description. If the voice application will only ever be called by a Subdialog Invoke element (that is, never by Unified ICM), then the Subdialog Start and Subdialog Return elements may be used instead. Refer to

The settings for this element are used to define what data to pass back to the calling application. The Caller Input setting must be assigned a value in order for the application to validate, since it is required to have a value. Each element setting corresponds to an ICM ECC external variable name, and therefore the configuration values must conform to requirements associated with ICM ECC variables. Refer to the Unified CVP documentation for further details.

The CVP Subdialog Return element can be used to enable multiple types of transfer in call failure conditions. In case of a Hook Flash (HF) or Two B-Channel Transfer (TBCT) transfer, for example, Caller Input should be set to the transfer destination number prefixed with HF or TBCT (as in HF800xxxxxxx or TBCT800xxxxxxx). An HF or TBCT transfer will be invoked after the Caller Input was passed back from the CVP Subdialog Return element.

Settings

Name (Label)	Type	Req'd	Single Setting Value	Substitution Allowed	Default	Notes
caller_input (Caller Input)	string	Yes	`true`	`true`	None	Required return argument that holds a value to be returned to the calling application.
FromExtVXML0 (External VXML 0)	string	No	`true`	`true`	None	Optional return argument that is returned to the calling application.
FromExtVXML1 (External VXML 1)	string	No	`true`	`true`	None	Optional return argument that is returned to the calling application.
FromExtVXML2 (External VXML 2)	string	No	`true`	`true`	None	Optional return argument that is returned to the calling application.
FromExtVXML3 (External VXML 3)	string	No	`true`	`true`	None	Optional return argument that is returned to the calling application.