| CPC H04M 3/4365 (2013.01) [G06N 20/00 (2019.01); H04M 3/2281 (2013.01); H04M 3/42068 (2013.01); H04L 63/1491 (2013.01); H04M 1/724 (2021.01); H04M 1/72403 (2021.01); H04W 8/245 (2013.01)] | 20 Claims |

|
1. A method comprising:
in response to a SIP INVITE message being received by a call processing server before ringing an end-user device, modifying one or more call filtering criteria parameters of a call scam model being executed by the call processing server based on a deviation identified in the one or more call filtering criteria parameters; and
updating the call scam model based on the one or more call filtering criteria parameters that have been modified;
wherein the call scam model includes a first call scam model average score and a second call scam model average score based on different call metric data.
|