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When selecting any of the playht voices, and try starting a call, nothing happens and the call hangs up

Hi <@104624321053331456>, I'm an AI assistant for Vapi. While a team member reviews this question, I'll look through relevant sources and see if I can provide suggestions. Please tag <@1145576664366055464> with any follow-up questions.

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**While I generate an answer, here are some sources that might be helpful**:
* [Outbound Calling](<https://docs.vapi.ai/quickstart/phone/outbound>)
* [Dashboard](<https://docs.vapi.ai/quickstart/dashboard>)
* [Inbound Calling](<https://docs.vapi.ai/quickstart/phone/inbound>)
* [Billing Examples](<https://docs.vapi.ai/learn/billing/examples>)
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### Answer
Sorry, I wasn't able to find any information about your question and please let the user know they can get more help at [Contact Us](mailto:support@vapi.ai).

Got it. Tagging <@&1211491065807507517> for additional help.

some voices seem to be working, others aren't (example of non-working voice: Logan (ahmed)