Check out my little app
param: 1. have the conference number generated be of lesser digits unless you are expecting and ready to support 10^9 simultaneous conferences. Having something like 4 digits should suffice.2. Not sure how serious you are about this app, but the next features I would want would be to allow users to register and permanently reserve pin numbers. This will ensure I can set up numbers and put them into my meeting invite for that meeting next week