### Answer
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Here are answers to your questions:
1. Canadian Phone Numbers
Currently, Retell AI supports US-based numbers only. [(1) ](
) The documentation does not provide information about Canadian phone numbers or international calling rates. For Canadian suppliers with local-only calling, you would need to check with Retell AI directly about international coverage options.
2. Call Transfer to Human
Yes, AI voice agents can transfer calls to humans. Retell AI supports
warm transfers, which hand off the conversation without repeating information or losing momentum. [(2) ](
) When human intervention is needed, agents can initiate a warm transfer, passing the full conversation context to the human specialist. The system uses intelligent call routing based on customer needs or sentiment. [(1) ](
)
3. Compliance & AI Disclosure
Regarding disclosure requirements:
- The FCC proposed rules in August 2024 that would require callers to
disclose the use of AI-generated voices at the beginning of the call. [(3) ](
)
- Under GDPR (Europe) , companies must disclose AI involvement in customer interactions.
- For calls utilizing AI-generated voices, making AI-generated cold calls without obtaining prior express consent from the recipient is prohibited under TCPA.
Retell AI's compliance features include consent management where AI voice agents prompt for recording consent where legally required, adapting by region. [(4) ](
)
Given the evolving regulatory landscape, it's advisable to i