Patent ID: 9294628
Filing Date: 2016-03-22
CPC Classification: H04L,H04M

Claim Text:
1. A network management system, comprising: a memory to store instructions; and a processor coupled with the memory, wherein the processor, responsive to executing the instructions, performs operations comprising: detecting at a first terminal a network origination call directed to a second terminal; searching, at a telephone number mapping server, a terminal type for each of the first and second terminals according to information supplied in the network origination call; suspending the network origination call at a service switching point by issuing an off-hook delay trigger from the processor via a signaling system 7 network during the searching for the terminal type at the telephone number mapping server; retrieving from the telephone number mapping server the terminal type of each of the first and second terminals according to the information supplied in the network origination call; and selecting selected gateways from among a group of media gateways to provide communication services to the first and second terminals, wherein the selecting the selected gateways comprises: enabling the first media gateway to provide communication services to the first terminal responsive to determining that the first terminal is the circuit-switched terminal; and directing the first media gateway to transmit to the second terminal contact information associated with the first terminal retrieved from the telephone number mapping server, responsive to determining that the second terminal is a packet-switched terminal.