# Overview of configuring the interface

The following topics discuss what you will need to know to configure the Video Messaging Server Interface. Specifically, the following topics are covered:

- Sample CG board configurations.

- Audio and video codec types that are supported.

- Setting up the Video Messaging Server Interface for various audio configurations:

- - Audio pass-through

  - Audio pass-through with silence detection

  - Audio transcoding

- How to set up the Video Messaging Server Interface to allow video server applications to forward video and audio streams.

- API calls used to setup multimedia pass-through on video channels.

- API calls used to setup multimedia pass-through on audio channels.

- Configuring endpoints to use RTCP audio/video synchronization.