Recomendations and establishment of AI Voice Interaction Model for Sales, appointment setting

I am looking to establish a sophisticated AI voice interaction model tailored for sales and marketing. This AI would handle inbound and outbound calls, with the primary function of driving sales and facilitating call back scheduling.

I am open to any recomendations to exisiting services. My primary concern is naturalised sounding voices and accents. I need a servoce that provides CRM , reporting,

Key Components of the Project:
- Inbound and Outbound Calling: The AI should be capable of managing both incoming and outgoing calls with efficiency and professionalism.
- Sales and Marketing Focus: The primary purpose of the AI is to drive sales and enhance our marketing efforts through effective communication.
- Call Back Scheduling: The AI will also be tasked with scheduling call backs, so it should be able to handle scheduling tasks seamlessly.
- Natural Language Processing: Integrate advanced NLP to ensure the AI can understand and respond to customer queries accurately and naturally.
- Emotion Detection: Implement emotion detection to tailor responses based on the emotional state of the caller.
- Customizable Sales Scripts: Provide the ability to customize sales scripts so the AI can adapt to different products or services.
- CRM Integration: The AI should integrate seamlessly with existing CRM systems to update customer records and sales data automatically.
- Real-time Analytics: Include real-time analytics to track AI performance and sales metrics during calls.

Ideal Skills and Experience:
- Expertise in AI and machine learning, particularly in developing voice interaction models.
- Proven experience in sales and marketing, preferably with a background in telemarketing or customer outreach.
- Familiarity with scheduling systems and the ability to integrate these into the AI's functions.

Please provide examples of similar projects you've worked on, and any relevant case studies that demonstrate your capability to deliver this project.

The AI will interact only in English.