Here is a list of all related documentation pages:

Dependencies
JavaScript API
Using janus.js as JavaScript module
Working with custom janus.js dependencies
RESTful, WebSockets, RabbitMQ, MQTT, Nanomsg and UnixSockets API
Authenticating the Janus API
Admin/Monitor API
Deploying Janus
Janus as a daemon/service
Debugging Janus
Plugins documentation
Event handlers documentation
Recordings
Resources
Writing code for Janus
README
Credits
License
Tagged versions and Changelog
Frequently Asked Questions
AudioBridge plugin documentation
JavaScript (Duktape) plugin documentation
EchoTest plugin documentation
Lua plugin documentation
NoSIP plugin documentation
Record&Play plugin documentation
SIP plugin documentation
Streaming plugin documentation
Janus TextRoom documentation
VideoCall plugin documentation
VideoRoom plugin documentation
VoiceMail plugin documentation