Patent ID: 8953471
Filing Date: 2015-02-10
Classification: H04L,H04M

Abstract:
1. A method of detecting a spam message transmitted over a packetized, network-based telephony system, the method comprising: receiving, over a computer network, a first request to initiate a first voice communication session from a requestor; establishing the first voice communications session with the requestor over the computer network; sending an audible ringing tone to the requestor over the established first voice communications session; analyzing audio data received from the requestor while the audible ringing tone is being sent; in response to the analysis detecting an audible message in the audio data: receiving a second request to initiate a second voice communications session from the requestor; establishing a second voice communications session with the requestor over the computer network in response to detecting that the requestor identifier is in the whitelist; notifying the user of the established second voice communications session with the requestor without the transmission of the audible ringing tone.