Patent · US Active

Method and device for indicating VoLTE capability

US9723030B2 · kind B2 · utility

8Cited by

0References

12Claims

0Family size

Assignee

Telefonaktiebolaget LM Ericsson (Publ) · SE

Inventors

Peter Hedman · Helsingborg, SE
Håkan Palm · Växjö, SE
Gunnar Rydnell · Mörbylånga, SE
Magnus Stattin · Upplands Väsby, SE

Key dates

Filing date	Oct 4, 2011
Grant date	Aug 1, 2017
Priority date	—
Expiry date	Oct 4, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04W88/06
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method (100) for use in a Mobility Management Entity, an MME, in an LTE system, comprising (110) obtaining and determining the capability of a mobile terminal in the LTE system regarding the mobile terminal's capability for handover over from the LTE system to a 2G and/or a 3G system, comparing (115) the mobile terminal's capability and the LTE system's capability for Single Radio Voice Channel Continuity, SRVCC, handover over from the LTE system to a 2G and/or a 3G system, and, depending on the outcome of the comparison, instructing (120, 125) the mobile terminal to use Voice over LTE, VoLTE, or Circuit Switched, CS, fallback when initiating voice sessions.

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