Title:
A METHOD FOR KEEPING THE CONSISTENCY OF THE IP ADDRESSES DE-REGISTRATION OF PS DOMAIN AND IMS DOMAIN
Document Type and Number:
WIPO Patent Application WO/2007/112621
Kind Code:
A1
Abstract:
A method for keeping the consistency of the IP addresses de-registration of PS domain and IMS domain includes: in the network structure of PS domain and IMS domain of the present mobile core-network, the signaling path is setup by normal registration and de-registered when the normal de-registration occurs, then determine that the corresponding relation exists between the IP address and IMS domain, i.e. the IMS de-registration is under-done, if AGW de-registers the IP address; if so, the IMS de-registration is completed from bottom to top finally, and AGW informs the corresponding PDF/PCRF, P-CSCF, S-CSCF to implement the IMS application layer de-registration for UE; otherwise, stop the de-registration. The method ensures the consistency of the IP address de-registration of PS domain and IMS domain, and the IMS user identifier registered on the IP address can also be de-registered when the IP address of UE is de-registered in PS domain.
Inventors:
LI ZHENDONG (CN)
Application Number:
PCT/CN2006/003129
Publication Date:
October 11, 2007
Filing Date:
November 21, 2006
Export Citation:
Assignee:
ZTE CORP (CN)
LI ZHENDONG (CN)
LI ZHENDONG (CN)
International Classes:
H04L29/06
Domestic Patent References:
| WO2003005669A1 | 2003-01-16 |
Foreign References:
| CN1650656A | 2005-08-03 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (Tower AIndo Building,A48 Zhichun Road,Haidian District, Beijing 8, CN)
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