Based on the sources, here’s what you need to know about KYC verification issues:
Supported Verification Methods
Retell currently supports verification in 83 countries through Persona(1). If your country isn’t listed, you’ll need to contact support for a manual review based on risk and business needs(1).
Common Verification Issues from Community
Several users have reported similar Persona verification failures(2)(3)(4). In one case, a user’s verification failed because “The ID details and face portrait match that of a previously submitted ID on a different account”(3). The resolution was to try again with a passport or different ID(3).
Important Restriction
Each person can verify only one account(1). The system detects duplicate identities, and even using a different government ID may be flagged as a duplicate(1). If your previous account was verified and later deleted, you’ll need to contact support for a manual review(1).
Next Steps
Since automated verification isn’t working and Persona directed you back to Retell, contact support directly through these channels: