OTE
COSMOTE
TELECOM  ITALIA
FRANCE  TELECOM
DEUTSCHE  TELEKOM
TELEFONICA
KPN
PORTUGAL  TELECOM
TELE DANMARK
TELIA
TELENOR
SWISS  TELECOM
BRITISH  TELECOM
CABLE&WIRELESS
MERCURY
AT&T
MCIWORLDCOM
BELL  ATLANTIC
BELL  CANADA
SBC
BELL  SOUTH
BELGACOM
CEGETEL
TELECOM  FINLAND
SONOFON
VODAFONE  AIRTOUCH
AMERITECH
GTE
MANNESMANN
ONE-2-ONE (UK)
SPRINT
GLOBAL  ONE
CONCERT
UNISOURCE
UNISOURCE  SWITZERLAND
EMBRATEL
TELEGLOBE  CANADA
MOBILTEL  AD
BATELCO