Integrating Asterisk VM with Metaswitch- What are the steps?

I am integrating asterisk voicemail with Metaswitch. I have bee told that this process is relatively simple with only a few line of code needed.

What are the steps needed to integrate?

How involved in the coding?

What (if any) are your recommendations on this issue?

maybe this will help

voip-info.org/wiki/view/Aste … Metaswitch