Gi?i thi?u Viettel++ Thông tin h?i viên ?u ?ãi ch??ng trình Tr? thành ??i tác Viettel++ Quay l?i ?ng d?ng s?Halotel means "Halo" and "Telecom". Halo signifies the light on the Solar. Halotel is really a telecommunications network that serves the passions of all Tanzanians, bringing a dazzling potential into the individuals together with the c