| 摘要 |
The present invention provides a method for processing a call to ensure that the call is selected to be deassigned or released when a value-added service can not be provided according to current application resources state. The method includes: receiving, by an AS, a value-added service call triggered by a switching device; determining whether the call can be deassigned according to a preconfigured service policy when the AS finds the value-added service can not be provided according to a current resource state; sending a notification for deassigning the call to the switching device when a determining result is that the call can be deassigned; and processing, by the switching device, the value-added service call as a call not triggering the value-added service. The present invention further provides a system, an AS and a switching device for processing a call.
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