Reduction in network congestion
    33.
    发明授权

    公开(公告)号:US09686401B1

    公开(公告)日:2017-06-20

    申请号:US15188245

    申请日:2016-06-21

    申请人: West Corporation

    发明人: Douglas L. Davis

    摘要: A system, method and non-transitory computer readable storage medium comprising instructions that when read by a processor perform receiving a telephony connection request at a location in a telephony network, the location separated from the intended recipient of the telephony connection request by a target telephony network, determining addressing information regarding the intended recipient, the addressing information including at least routing information or a phone number, accessing a do-not-call list, the do-not-call-list including one or more telephony recipients and recipient addressing information for each telephony recipient, the recipient addressing information including at least routing information or a phone number, and determining whether the target addressing information matches any recipient addressing information.