Could you please help share idea or how to configure Zone Directory as the following questions:
Can Zone Director configures as High Availability for redundancy
purpose? or Can cloud Zone Director can help with this solution?
yes you can have two ZD work in a HA mode
2. Can Zone Director configure SMS authentication for guest access?
yes, however SMS gateway service provider is limited to TWILLO and CLICKATEL at this time...
Can Zone Director configure promotion advertisement pop up after
wireless client connects it for 30 seconds before they can use Internet?
No - you need to configure some hotspot solution which does have such promotion advt functions..
4. How to enable Active Directory user to login Zone Director?
Yes... its there in the ZD user guide,,