Verizon Patent and Licensing Inc.

Verizon Services Corporation

Michael Armstrong

Henning Gunther Schulzrinne

Piotr Boni

Wonsang Song

Jong Yul Kim

James Edward Haley

A system includes one or more devices connected to or within one of a group of emergency services networks. The one or more devices may generate a text message that includes information identifying a user device, information identifying a geographic location of the user device, and information identifying a particular emergency services network of the group of emergency services networks; establish, based on the text message, a text-based communication session between the user device and a call taker device within the particular emergency services network; store session information regarding the text-based communication session; receive a subsequent text message; and transmit the subsequent text message to the call taker device based on the session information.

Emergency text communications

There is provided a method for routing a call through a telecommunications network. The method comprises the steps of receiving a prompt, from one of a plurality of service switching points in a predetermined geographic service area, for a service associated with the call, and determining one of a plurality of tandem switches to which the call will be directed based on a probability distribution. There is also provided a system for routing a call through a telecommunications network.

Routing a call through a telecommunications network

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Philadelphia, PA, United States of America

Michael Armstrong