T-Mobile

vodafone

e-plus

MTN

Meteor

cell C

vodacom

du

Mobitel

Zain

Tunisiana

tmn

Telkomsel

SmarTone

Siminn

Rogers

Optimus

MTNL

Mobilink

Megafon

Maxis

Kpn

Grameenphone

Excelcom
Excelcom

Elisa

Truphone

T-Home

Celcom

Bouygues

Batelco

09Mobile

Gateway

Beeline

at&t

Die Bahn

Kcell

Claro

Cellcard

China Mobile

Dialog

DiGi

dtac

P&T

Vistream

HT Mobile

Indosat

Maroc Telecom

Mauritel
Mauritel

Mobifone

Mobilkom austria

Tango

M-Tel

m:tel

MTC

Nova

Mobistar

GTS Novera

O2

Pannon

SFR

Si Mobil

Jawwal

Sim 2 travel

Cosmofon

Sunrise

Swisscom

True Move

Kyivstar

Turkcell

utel

Telecom

Telstra

Etisalat

Vip

Azercell

Hutchison
Hutchison

Roshan

SingTel

TDC

ufone

unitel

PTA

NTT DOCOMO

PORTA

Telesur

CSC Telecom


NTT DOCOMO

Callax

Telenor Connexion


Vivo

Wataniya

Comcel


Telenet

Umniah

Taiwan Mobile


Movistar


SUN Cellular

... and many others (totaling more than 200 operators)

World wide customers who benefit from Keynote SIGOS

References Map
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