Some useful links about telecommunications:
General
Whatis.com
About.com
DejaNews
ePanorama's tech page - 'everything'
UMTS
About.com's Telecommunications researce page
UMTS forum
ETSI
Blue Tooth
Bluetooth.com
Bluetooth.org
Bluetooth.net
Ericssons' Bluetooth page
Softtooth.com
Motorolas Bluetooth page
Clip
2: Bluetooth comanies
Anywwhere
you go: Bluetoothlinks (Linux and more)
Companies
Voxson
Ericsson Norge
Ericsson International
GSM