America

Digicel, Claro, America Movil, Hondutel, Telefonica, Telcel, Telmex

Asia Pacific

Pak Telecom, Telkomsel, Starhub, Singtel, Digi, Indosat

EMEA (Europe, Middle East, Asia)

Vodafone, Meditel, Oni, T Mobile, Telenor, Vendomar

References in America

Digicel
Claro
America Movil
Hondutel
Telefonica
Telcel
Telmex

References in Asia Pacific

Pak Telecom
Telkomsel
Starhub
Singtel
Digi
Indosat

References in EMEA

Vodafone
Meditel
Oni
T Mobile
Telenor
Vendomar