AT&T has worked with Alcatel, Avaya, Cisco, Nortel and Siemens to ensure interoperability of equipment. AT&T is among a top tier of international carriers selling networking based on IP virtual private networks (IP VPNs) that use a technology...
For example, a look at a list of cellular mobile operators in the country as of the start of 2001 compiled by consultancy Analysys shows over 20 names, although admittedly many present are limited, regional operators.
If you want mobility, well hell, the world's covered with mobile base stations. The WiMax Forum is taking its time setting up the procedures for ensuring interoperability. The Forum plans to open its labs in Spain around June 2005 and start issuing...
Cellular still has a longer reach than WiMax but supporters of WiMax believe mobile operators could use the technology to augment their networks and provide more capacity for data applications such as mobile web surfing or emailing.
A phone that can switch between the cellular network and a wi-fi network could be more useful. Typically, VoIP subscribers use a wired phone line, whether a home phone or any number of phones in an office setting.
The government is urging drivers to switch off their mobile phones before setting off on a journey to cut down the number of motorists still flouting the law by using a mobile while behind the wheel. Road safety minister Jim Fitzpatrick launched...