HCM CITY — Viettel Group announced that it has successfully developed an online charging service called vOCS, which has won a gold prize at the IT World Awards in the category of Most Creative IT Products.
The OCS is considered the most important tool for a telecom service provider because it contains all customer consumption data, business policies, products and services.
Only three other companies, Ericsson (Sweden), Huawei and ZTE (China), now make OCSs and all telecom service providers around the world have been buying from them. Tiếp tục đọc “VN online charging service wins global gold”