As it is mentioned above, Skype only supports host up to 10 participants, and even Skype for Business only enables you to meet up to 250 participants at a time.
What if you have a greater demand, like meeting up to 300 participants?
Is there a hard limit to how many users can be in a group video call with the Basic (not Premium) version of Skype?
None of the information on Skype's website is 100% clear.
In the upper navigation bar of the main window, click "Contacts Create New Group...".
The wiki How Tech Team also followed the article's instructions, and validated that they work. If you enjoy trading instant messages over Skype with your friends, you'll really enjoy talking to them face-to-face with Skype video calls!
It's a great way to share face time, do business, or just have fun with friends and family around the world.
Skype gives you the power to gather another 9 persons into your group video conference call.
You can meet them on the same page, and share files and screens, making the group video conference call much more vivid, interesting and efficient.