Seek advice for interconnecting asterisk & cisco callman

Anyone can help me?? I am new to asterisk. i need to connect my asterisk server to cisco callmanger version4.0… Anyone has an idea know how to connect it?

If possible, can give me an example for me? as simple as it can be.
especially how to connect from asterisk server to callmanager.
thanks… hope to hear from anyone of you asap.