testnumber.org

Make test calls to our PSTN phone numbers and VOIP SIP addresses

Current Features

Determines the calling number
Determines the STIR/SHAKEN attestation level
Determines if the calling number is flagged as a robocaller according to Scout
Determines if DTMF is working properly

How It Works

The Phone Numbers and SIP addresses at testnumber.org terminate at a Twilio function which uses Scout to detect Robocalls.