Idea for own doorbell intercom ...

**Describe the problem you have/What new integration you would like**

Multicast door bell / intercom
**Please describe your use case for this integration and alternatives you've tried:**

Replace old intercom system with modern take...

**Additional context**

https://github.com/glencornell/trx

Would be cool to see this adapted it is a fork and has gpio ptt ...

Start by reviewing the linked glencornell/trx project and its GPIO PTT functionality. Clarify the multicast doorbell/intercom use case, required hardware and expected ESPHome behavior before identifying an entry point; done would require an agreed integration scope and acceptance criteria.

Written by the indexing model from the issue text.