Vientiane, Laos and Tokyo, Japan, Mar 20, 2020 - (JCN Newswire) - ADVA (FSE: ADV) and NEC Corporation (TSE: 6701) today announced that Viettel, a global telecommunications service provider based in Vietnam, has deployed ADVA's Oscilloquartz timing solution throughout Laos and Myanmar to provide nationwide 4G services and prepare its...