c11a445c_enter_Web_Callback___8x8__Inc___Parameter_Name
[Description] If callback_type is set to 2 an optional expiration could be provided. If a value greater than 0 is provided, the application would delete the request if an agent does not become available within the specified time. [Accepted value] Any value greater than 0. [Mandatory] No [Parameter Name] 
expiration
Virtual Contact Center Web Callback | 8x8, Inc.
Parameter Name