Patent · US Expired

Dual mode terminal for accessing a cellular network directly or via a wireless intranet

US7319874B2 · kind B2 · utility

2Cited by

11References

21Claims

0Family size

Assignee

Nokia · FI

Inventors

Markku Rautiola · Tampere, FI
Jussi Lemilainen · Arlington, US
Markku Niemi · Kangasala, FI

Key dates

Filing date	Sep 16, 2004
Grant date	Jan 15, 2008
Priority date	—
Expiry date	Jan 9, 2025

Classification

Technology area (CPC H)Electricity
CPC primaryH04W92/02
WIPO fieldTelecommunications
WIPO sectorElectrical engineering

Abstract

A wireless intranet office (WIO) concept is disclosed, which integrates an IP based Intranet environment (27) and GSM network providing mobile telephones (21) with access to GSM through the GSM network or via the intranet. Access through the intranet to the GSM MSC (26) is provided by a WIO interworking unit (24) which may comprise several network entities (e.g. intranet mobile cluster (241), intranet location register (242), WIO gatekeeper (243), WIO gateway (244) and H.323 gateway). A dual mode terminal for such a system is also disclosed.

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