使用Ultravox代理和Twilio自动化呼叫

• •可能需要目标 API 的认证凭证

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        "content": "## 自动外呼：通过 Twilio 将 Ultravox AI 代理连接到电话呼叫"
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        "content": "## 步骤 1 - 在 Twilio 上购买电话号码"
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