Internal Windows Live Messenger?

Hi,

We are a 100 user business on an internal network and I want to videoconference 2 laptops on it. Hardware wise is fine and I now which webcams to purchase.

From a software side I don’t want to use Skype or any P2P solutions that go out over the internet.

Instead I want to video conference from one internal IP address to another utilising our internal network speeds and staying secure.

Is Windows Live Messenger the tool for the job? I know you can do it with Netmeeting but that product is a bit long in the tooth now!

With Live Messenger can I disable any logins so when a user just logs into the domain on the laptop and runs Messenger they can point it at the other ip address internally and start a call?

Kind Regards

Mozster