Patent ID: 9432292
Filing Date: 2016-08-30
CPC Classification: H04L

Claim Text:
1. A call control method, comprising: detecting, on a port of a network edge device, a telephone call port utilization increase, corresponding to a difference between the port utilization during a prior interval and the port utilization during a subsequent interval, exceeding a particular threshold; responsive to said detecting, obtaining information indicative of a quantity of telephone calls to a common target destination during a first interval of time; in response to the quantity of telephone calls sharing the common target destination during the first interval of time exceeding a second threshold, sending, to a network edge device associated with the common target destination, a provisioning instruction to take mass calling event action including: blocking at least some packets associated with the mass calling event; re-routing at least some packets associated with the mass calling event, and reducing a quality of service for at least some packets associated with the massing calling event.