Desk phones, mainly it is a wire telephone placed on the table. There
are very many variations of such telephones differentiating with the quality of
sound and connection as well as with the pack of functions and price.
VIETTEL TELECOM
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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