SYSTEMS AND METHODS FOR PREVENTING SINGLE RADIO VOICE CALL CONTINUITY FAILURE DURING THE VOICE OVER LONG TERM EVOLUTION CALL BEARER SETUP PHASE

Title:

SYSTEMS AND METHODS FOR PREVENTING SINGLE RADIO VOICE CALL CONTINUITY FAILURE DURING THE VOICE OVER LONG TERM EVOLUTION CALL BEARER SETUP PHASE

Document Type and Number:

WIPO Patent Application WO/2017/079908

Kind Code:

A1

Abstract:

Methods and apparatuses for voice communication are disclosed. For example, one embodiment provides a system for voice communication. The system for voice communication comprises a transmitter circuit. The transmitter circuit is configured to transmit a Session Description Protocol Invite message, which initiates a voice over Long Term Evolution call via a packet-switched network. The system for voice communication also comprises a processor configured to prevent at least one Inter-Radio Access Technology process until after setup of the call has completed or a timer has expired.

Inventors:

YU HONG (US)
DUAN LONG (US)
EL-SAIDNY MOHAMED (AE)
SANTHANAM ARVIND (US)
YANG MING (US)
SAWHNEY SALIL (US)

Application Number:

PCT/CN2015/094250

Publication Date:

May 18, 2017

Filing Date:

November 11, 2015

Export Citation:

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Assignee:

QUALCOMM INC (US)
YU HONG (US)
DUAN LONG (US)
EL-SAIDNY MOHAMED (AE)
SANTHANAM ARVIND (US)
YANG MING (US)
SAWHNEY SALIL (US)

International Classes:

H04W4/16

Domestic Patent References:

WO2014173347A1

2014-10-30

Foreign References:

CN102647693A	2012-08-22
CN104994542A	2015-10-21
US20140099952A1	2014-04-10

Attorney, Agent or Firm:

NTD PATENT & TRADEMARK AGENCY LIMITED (CN)

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