Unity 3D WebGL Voice Integration

I need a skilled Unity 3D developer to create a WebGL application that integrates real-time voice chat and 3D realistic avatars with lip sync functionality. The application should be desktop compatible.

Key Requirements:
- Real-time voice chat integration
- 3D realistic avatars
- Lip sync functionality
- Desktop compatibility

Ideal Skills and Experience:
- Proficiency in Unity 3D and WebGL
- Experience with real-time voice integration
- 3D avatar modeling and animation
- Strong knowledge of lip sync technologies
- Ability to ensure high performance on desktop platforms

Please provide examples of similar work done.