What is the formula for the number of possible communication channels in a round table meeting?

What is the formula for the number of possible communication channels in a round table meeting?

گول میز میٹنگ میں ممکنہ کمیونیکیشن چینلز کی تعداد کا فارمولا کیا ہے؟
Explanation

The formula for the number of possible communication channels in a round table meeting is: n(n-1)/2.