Alright, so skype gave me this url to share the skype group.
skype:?chat&blob=_wnDvUTtZyC1Btaz6kvVpR1QsSpHHF8p41dhGU8xVOArVmW5d9EbQd4BZ2ZFT7BmfYzBm-McMpOPgQ
But I'm not sure how it works outside of skype. Theoretically Im supposed to be able to share this and people can join the room.