Customer Service Support

Service Monitoring

Service is monitored throughout 24 hours a day, 7 days a week.
In the case NTTCT detects failure or alarm which affects to service down,
NTTCT will report the service outage to person in charge of each customer.

Service Monitoring Outage Reception

  • Support hour: 24 hours a day, 7 days a week
  • Support Language: Thai, English and Japanese
  • 02-751-5520
  • Thailand Support Mail Team
  • support-mail@ntt.co.th
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