AI Call Guard for Marketing Calls

I'm looking for an AI-powered call guard that filters out robocalls, telemarketing calls, and spam calls on mobile phones. The system should be efficient and reliable, giving me a much-needed break from unwanted marketing interruptions.

Key Requirements:
- Filters robocalls, telemarketing, and spam calls
- Integrates seamlessly with mobile phones
- Sends phone alerts for detected marketing calls

Ideal Skills and Experience:
- Experience in AI and machine learning
- Knowledge of telecommunication systems, especially mobile
- Strong software development skills
- Experience with notification systems and mobile integrations

Please provide examples of similar work done and a timeline for completion.