Patent · US Active

Method for SRVCC emergency call support

US8855023B2 · kind B2 · utility

2Cited by

8References

20Claims

0Family size

Assignee

Nokia · FI

Inventors

Jari Mutikainen · Munich, DE
Markku Tuohino · Espoo, FI

Key dates

Filing date	Nov 16, 2009
Grant date	Oct 7, 2014
Priority date	—
Expiry date	Sep 20, 2030

Classification

Technology area (CPC H)Electricity
CPC primaryH04W76/50
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Methods and apparatus, including computer program products, are provided for emergency call support. In one aspect there is provided a method. The method may include a home subscriber server receiving a first message comprising a generated value representing a session transfer number. The session transfer number may relate to a transfer of an emergency session from a first network to a second network. The method may further comprise a home subscriber server updating a user profile with the generated value representing the session transfer number for the emergency session. The user profile may be stored in the home subscriber server. The method may further comprise a home subscriber server sending a second message comprising the generated value representing the session transfer number. Related apparatus, systems, methods, and articles are also described.

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