voice general question conference

in winsock chat i like to know what is the best voice method i can use so all users in room can hear and talk if they wish by pressing talk button.


my winsock chat will be in virtual private server aka vps remote desktop , is there a possible way i can have all 100 users connected to the vps ip address and so we are all connected then go live on voice .

i need you help suggestions please what is light wighted voice tool i can use in my winsock chat