I seem to recall reading somewhere, that Messenger (9x versions) and Windows Messenger (XP version) are not compatible. All parties need to be running the same OS. This could be the same for Netmeeting also...just a thought.
The Evil Within 2 review-in-progress
InVision Studio takes on Adobe XD and Sketch
iPhone X news: Release date, price, new features & specs
Comment transformer un iPhone en borne Wi-Fi ?