Dtmf.io has been inspected for availability 3 times within the last 1 212 days as of August 3, 2021. Dtmf.io was reported as down or having issues during all the availability tests attempted as of November 28, 2024. With August 14, 2024, being the most recent occurrence, dtmf.io had 3 instances of downtime, or 100.00% of assessments completed. As of November 28, 2024, the replies that were received indicated that there were no reported errors in the responses. At — seconds on August 14, 2024, dtmf.io's response time contrasted with its 0.001 seconds average.