Patent · US Active

Method, apparatus, and system for connecting to called terminal

US8675640B2 · kind B2 · utility

2Cited by

3References

7Claims

0Family size

Assignee

Huawei Technologies Co., Ltd. · CN

Inventors

Haiyang Liu · Norman, US
Xiaojin Harry Li · Palatine, US
Biao Zhang · Nanjing, CN

Key dates

Filing date	Jun 25, 2012
Grant date	Mar 18, 2014
Priority date	—
Expiry date	Jun 27, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH04L65/1069
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A method for connecting to a called terminal includes: acquiring mobile station international integrated service digital network number (MSISDN) information corresponding to a called terminal which is located at an IP multimedia subsystem (IMS) domain, together with international mobile subscriber identity (IMSI) information and location area identity (LAI) information that correspond to the MSISDN information when a primary mobile access gateway control function entity mAGCF has a failure; and performing a connecting to the called terminal through a selected mAGCF according to the MSISDN information, the IMSI information and the LAI information.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.