Report unknown caller ID

If a call is unsuccessful, the device will not receive the call. If there is a prefix sent by Telesign in the initiate request and it cannot be matched to the CLI of the verification call, you can use use the Finalize CallerID Unknown endpoint to report the issue to Telesign for troubleshooting.

To add this product to your account, contact a Telesign expert. This product is available for full-service accounts only.

General requirements

• Authentication: Basic (easiest to implement) and Digest
• Encoding: Accepts only UTF-8 encoded unicode characters as inputs
• Accepts: application/x-www-form-urlencoded
• Required headers: Content-Type - application/x-www-form-urlencoded