Title:
INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM CALLING METHOD, TERMINAL AND NETWORK FUNCTION
Document Type and Number:
WIPO Patent Application WO/2021/057776
Kind Code:
A1
Abstract:
The embodiments of the present disclosure provide an IMS calling method, a terminal and a network function. Said method comprises: sending an IMS calling message, the IMS calling message carrying first indication information, the first indication information being used for indicating an IMS session establishment method supported by a first terminal, and the first terminal having been registered tthe IMS before sending the IMS calling message.
Inventors:
XIE ZHENHUA (CN)
Application Number:
PCT/CN2020/117061
Publication Date:
April 01, 2021
Filing Date:
September 23, 2020
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
H04L29/06
Foreign References:
| CN1809036A | 2006-07-26 | |||
| CN1809036A | 2006-07-26 | |||
| CN1969527A | 2007-05-23 | |||
| US20180198867A1 | 2018-07-12 |
Other References:
HUAWEI ET AL.: "The interaction between PCF and AF", 3GPP TSG-SA2 MEETING #127 S2-184171, 20 April 2018 (2018-04-20), XP051432944
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
Download PDF: