Patent · US Active

Method for SRVCC solution

US9402212B2 · kind B2 · utility

3Cited by

0References

51Claims

0Family size

Assignee

NOKIA SOLUTIONS AND NETWORKS OY · FI

Inventors

Jari Mutikainen · Munich, DE
Curt Wong · Bellevue, US

Key dates

Filing date	Jul 4, 2011
Grant date	Jul 26, 2016
Priority date	—
Expiry date	Dec 5, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04W36/0027
WIPO fieldDigital communication
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.