Patent · US Active

Method and system for realizing session handover

US8509781B2 · kind B2 · utility

1Cited by

0References

4Claims

0Family size

Assignee

ZTE CORPORATION · CN

Inventors

Changle Zou · Nanhu, CN
Zhendong Li · Jiaozuo City, CN
Zhenwu Hao · Nanhu, CN
Congjie Mao · Nanhu, CN

Key dates

Filing date	Nov 10, 2010
Grant date	Aug 13, 2013
Priority date	—
Expiry date	Nov 10, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04W36/00226
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A method is provided for realizing session transfer, comprising: a service continuity application server (SCC AS), after receiving a session transfer request, when judging that a state of a session needed to be transferred is in a held state, updating a remote leg by using a held state session state information, and notifying an enhanced mobile switching center (eMSC) that the state of the session needed to be transferred is the held state; and the eMSC completing a call setup of a target access network according to the held state. A system is also provided for realizing session transfer. The method and system can realize correct transfer of a held state voice session, realize correct service logic and improve user experience.

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