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.