# vmsamp overview

The Video mail application demonstration program (vmsamp) is a menu-driven application that demonstrates how to:

- Receive a call from a 3G terminal to the 3G-324M Interface or place a call to a 3G terminal.

- Record audio and video into a 3GP file using the Video Messaging Server Interface.

- Play 3GP files to the 3G terminal with or without video transcoding.

- Trombone two 3G-324M calls together.

You must configure vmsamp before you run it. For information, see Overview of configuring vmsamp.