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1. (WO2018082683) TECHNIQUES FOR REDUCING CALL DELAY USING A SESSION INITIATION PROTOCOL (SIP) MESSAGE TIMER

Pub. No.:    WO/2018/082683    International Application No.:    PCT/CN2017/109438
Publication Date: Sat May 12 01:59:59 CEST 2018 International Filing Date: Sun Nov 05 00:59:59 CET 2017
IPC: H04W 24/04
Applicants: QUALCOMM INCORPORATED
LONG, Xiaojian
MAHESHWARI, Shailesh
WU, Peng
BANDARU, Venkateswarlu
XIAO, Gang
NGUYEN, Bao Vinh
BATHWAL, Saket
LIU, Haiqin
UPRETEE, Rudhir
CHEN, Xing
GUO, Hongjin
GUAN, Xuepan
CHEN, Xiaochen
Inventors: LONG, Xiaojian
MAHESHWARI, Shailesh
WU, Peng
BANDARU, Venkateswarlu
XIAO, Gang
NGUYEN, Bao Vinh
BATHWAL, Saket
LIU, Haiqin
UPRETEE, Rudhir
CHEN, Xing
GUO, Hongjin
GUAN, Xuepan
CHEN, Xiaochen
Title: TECHNIQUES FOR REDUCING CALL DELAY USING A SESSION INITIATION PROTOCOL (SIP) MESSAGE TIMER
Abstract:
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may transmit a session initiation protocol (SIP) message. The apparatus may initiate a timer based at least in part on the transmission of the SIP message. The apparatus may trigger, based at least in part on expiration of the timer, at least one of: a radio link failure (RLF) procedure for cell selection, or an out of service (OOS) procedure for radio access technology (RAT) selection.