> For the complete documentation index, see [llms.txt](https://docs.omnitalk.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.omnitalk.io/android/developers-guide.md).

# Developer's Guide

- [Pre-requisite](https://docs.omnitalk.io/android/developers-guide/pre-requisite.md)
- [Audio Call](https://docs.omnitalk.io/android/developers-guide/audio-call.md)
- [Video Call](https://docs.omnitalk.io/android/developers-guide/video-call.md)
- [SIP Call](https://docs.omnitalk.io/android/developers-guide/sip-call.md)
- [Audio Room](https://docs.omnitalk.io/android/developers-guide/audio-room.md)
- [Video Room](https://docs.omnitalk.io/android/developers-guide/video-room.md)
- [Chatting](https://docs.omnitalk.io/android/developers-guide/chatting.md)