Our company provides access to the Internet with enhanced customer service level. Through "Oxygen" plastic cards users are able to get instant access to the Internet resources, which simplify registration procedure and allow customers to monitor their acc
Viettel Group is one of leading telecom service providers in the world with over 50 million subscribers. Wireless Intelligence has ranked Viettel Group as the 19 th out of 784 biggest telecom service providers in the world regarding the number of subscrib
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