If they had chosen a plan with very little included data allowance it may have had high excess usage costs. Looking at the Telstra Business website[1], their $

If they had chosen a plan with very little included data allowance it may have had high excess usage costs. Looking at the Telstra Business website[1], their $19/month 1GB plan has an excess usage rate of $0.25 per MB. Yes, megabyte. For your guess of 796GB that would work out to over $200,000. [1] http://www.telstrabusiness.com/business/portal/online/site/productsservices/memberplans.44018 http://www.telstrabusiness.com/business/portal/online/site/p...