mmO2, UK
Mobinil, Egypt
Nortel, Portugal
Norweb, UK
Optus, Australia
O2, Germany
Pacific Link, Hong Kong
Pagoo, UK
Select, Australia
STC, Saudi Arabia
Southwest Bell, US
Swisscom, Switzerland
Telia, Sweden
T-Mobile, Germany
T-Mobile, International
TCS, India
T-Systems, Germany
VIAG-Interkom, Germany
Worldcom International, UK