The total operability tests of call.nts.go.kr from October 17, 2021, up until today is 1 over 1 129 days. Call.nts.go.kr has been operable 1 times out of all tests, with the last uptime recorded on October 17, 2021, returning a code 200. No interruptions in service were observed for call.nts.go.kr within the checks conducted as of November 19, 2024. As of November 19, 2024, the error-free status of each response that was received has been confirmed. The average response time of call.nts.go.kr is 3.226 seconds, with a response time of 3.226 seconds on October 17, 2021.