Verizon Patent and Licensing Inc.

Steven L Lass

Timothy M Dwight

James L Verlare

Mariafranca Gregorat

Gregory Welch

Richard L McClain

Yaron Raps

Yung-Hwa Tai

Curtis E Allen

Phillip D Crable

Sandra A Paiement

Richard L Mc Clain

At least one device receives a call request from a calling party to a called party. The device routes the call request to an Internet Protocol Multimedia Subsystem (IMS) core when a first condition is met and bypasses the IMS core when a second condition is met.

Network routing

A method includes receiving a telephone number mapping query associated with a call. The method may also include generating routing information based on the query and forwarding the routing information to a control device. The routing information may indicate that processing associated with routing the call is to bypass a core portion of an Internet multimedia subsystem (IMS) when a calling party associated with the call does not invoke an IMS service, the called party associated with the call does not invoke an IMS service and the called party is not an IMS subscriber.

Routing calls in a network

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Allen, TX, United States of America

Steven L Lass