Patent ID: 9648473
Date: 2017-05-09
CPC Classifications: H04L,H04M,H04W

Claim:
1. A method comprising: a messaging gateway receiving a request to deliver a message to a mobile node, said request including a mobile directory number (MDN) of said mobile node, wherein said request is a short message service delivery point-to-point (SMDPP) request; said messaging gateway determining that said mobile node is Session Initiation Protocol (SIP) capable; said messaging gateway determining a hostname of said mobile node based on said MDN of said mobile node and a domain name of a wireless service provider of said mobile node; said messaging gateway sending a query to a domain name server (DNS), said query including said hostname; said messaging gateway receiving a response from said DNS, said response including a network address of said mobile node; and said messaging gateway using SIP to transmit said message to said network address.