Title:
MOBILE COMMUNICATIONS METHOD, SUBSCRIBER MANAGEMENT SERVER, AND SERVER
Document Type and Number:
WIPO Patent Application WO/2012/060421
Kind Code:
A1
Abstract:
Provided is a mobile communications method comprising: a step (A) wherein an SCC-AS sends an enquiry signal to an HSS if an "Invite" for a UE is received; a step (B) wherein the HSS sends a call request signal; a step (C) wherein the HSS determines the current RAT for the UE according to a call result notification signal including a call result in at least either a UTRAN/GERAN or an E-UTRAN; a step (D) wherein the HSS sends UE visiting area information including information relating to the current RAT for the UE to an SCC-AS/S-CSCF; and a step (E) wherein the SCC-AS/S-CSCF transfers the "Invite" for the UE to the UTRAN/GERAN or the E-UTRAN using an answering method selected based on the UE visiting area information.
Inventors:
NISHIDA KATSUTOSHI
CHIKURA HIRONORI
MORITA TAKASHI
TOKUNAGA KAZUHITO
CHIKURA HIRONORI
MORITA TAKASHI
TOKUNAGA KAZUHITO
Application Number:
PCT/JP2011/075327
Publication Date:
May 10, 2012
Filing Date:
November 02, 2011
Export Citation:
Assignee:
NTT DOCOMO INC (JP)
NISHIDA KATSUTOSHI
CHIKURA HIRONORI
MORITA TAKASHI
TOKUNAGA KAZUHITO
NISHIDA KATSUTOSHI
CHIKURA HIRONORI
MORITA TAKASHI
TOKUNAGA KAZUHITO
International Classes:
H04M3/42; H04M3/00; H04W8/08; H04W68/00
Foreign References:
| JP2000315975A | 2000-11-14 | |||
| JP2010251864A | 2010-11-04 | |||
| JPH04322523A | 1992-11-12 |
Other References:
"IP Multimedia Subsystem (IMS) centralized services; Stage 2", 3GPP TS23.292, V10.2.0, 29 September 2010 (2010-09-29), pages 15, 16, 37, 38
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
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Claims: