US Patent 9402212 Method for SRVCC solution

Patent 9402212 was granted and assigned to Nokia on July, 2016 by the United States Patent and Trademark Office.

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Patent Citations Received

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US Patent 11936694 Cross-domain routing based on session initiation protocol information

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Patent abstract

A method is provided for single radio voice call continuity from E-UTRAN to UTRAN, comprising receiving a single radio voice call continuity request for handover from packet switched access of a source radio access network to circuit switched access of a target radio access network, sending a query to determine whether last active session is a voice only or a video session, and receiving a response to said query indicating whether said last active session is a voice only or a video session.

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Patent Inventor Names

Curt Wong0

Jari Mutikainen0

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