All the five cables encountered issues at the same time in February.
The AAE-1 (Asia-Africa-Euro 1) undersea optical cable route, which broke down on September 27, impacting internet connections from Vietnam to the world, was fully restored in late November, said the representative.
Furthermore, all malfunctions of AAG (Asia, America Gateway), which is a 20,000-kilometre submarine communications cable system connecting Southeast Asia with the United States across the Pacific Ocean via Guam and Hawaii, were also fixed in early November.
The errors on the three other undersea cables - the Intra-Asia (IA), SMW3, and Asia Pacific Gateway (APG) cable systems - were restored in late May and September.
The country is expected to have four to six new undersea cables by 2030, according to the Vietnam Telecommunications Authority (VNTA).
Army run telecommunications company Viettel said it would seek to utilise the ADC cable by the end of the year, while Vietnam Posts and Telecommunications Group (VNPT) said it would make use of the SJC 2 cable.
Last month saw FPT Telecom, a subsidiary of Financing Promoting Technology, also approve an investment initiative for the ALC undersea cable project.
Source: VOV