TeliaSonera tests SIM card roaming for a simpler and safer W-LAN

TeliaSonera tests SIM card roaming for a simpler and safer W-LAN

During 3GSM World Congress in Cannes, TeliaSonera presents as the first
operator in the world, testing of SIM card-roaming in W-LAN networks.
The type of SIM card used in mobile phones could become the standard for
identifying users of wireless W-LAN services such as TeliaSonera's
HomeRun. TeliaSonera has recently carried out a successful testing of
this new technology between networks in Sweden and Finland.

Roaming between two W-LAN operators who use SIM card authentication
where operators have different W-LAN systems and different system
suppliers was tested.

Today W-LAN network users are identified by user names and passwords.
The new SIM card standard would benefit both the users and operators by
providing a simpler and safer method for logging in, enabling joint
subscription and invoicing of GSM/3G and W-LAN, offering improved
roaming capabilities between different operators, and by providing
effective solutions for combined multi access (W-LAN, GSM, UMTS)
systems. The SIM card solution, based on the security protocol 802.1x
and the standard EAP-SIM, can be employed as soon as the GSM Association
has accepted and recommended the standard for its members to be used for
SIM card based logging-in within one's network and roaming between other
operators

The SIM card can be placed into a computer either via an adapter in the
computer´s PC card holder or via an adapter attached to the computer's
PC card slot.

TeliaSonera will demonstrate this new technology with roaming via EAP-
SIM in TeliaSonera´s Press Room in Palais des festivals at the 3GSM
World Congress in Cannes, February 23-25.

For more information on TeliaSonera HomeRun, please visit
www.homerun.telia.com
www.sonera.com/homerun

Additional information for journalists is provided by
Yvonne Hansen, Press Manager, Products & Services, TeliaSonera Sweden,
+46-8-713 58 30
Tommi Mattila, Product Manager, TeliaSonera Finland, +358 40 3022077

TeliaSonera is the leading telecommunications company in the Nordic and
Baltic regions. At the end of December 2003 TeliaSonera had 11,957,000
mobile customers (37,610,000 incl associated companies) and 8,061,000
fixed customers (9,160,000 incl associated companies) and 1,631,000
internet customers (1,691,000 incl associated companies). Outside the
home markets TeliaSonera has extensive interests in the growth markets
in Russia, Turkey and Eurasia. TeliaSonera is listed on the Stockholm
Exchange, the Helsinki Exchanges and the Nasdaq Stock Market in the USA.
Pro forma net sales January-December 2003 amounted to SEK 81.7 billion
(EUR 9.01 billion). The number of employees was 26,694.

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