Code a voice broadcasting software using vonage voice api with multithread feature

I am looking for a skilled developer to code a voice broadcasting software using the Vonage Voice API. The software should have a multithread feature for efficient performance.

Programming Language:
- Python

GUI:
- No

Platform:
- Windows

Ideal Skills and Experience:
- Strong knowledge and experience in Python programming
- Familiarity with the Vonage Voice API
- Proficiency in multithreading
- Experience in developing software for Windows platform