The Subscription module has broad compatibility range. Consider a cellular company that bills customers on daily, weekly, monthly, and quarterly basis. The final bill is generated after the inclusion of calls, SMS, data usage, value added services, and tax for the whole month. Now, that is a very complex task, as call charges are to be calculated every call, and same goes for all other services. Calculating the bill for the whole month usage of one customer is itself tough enough, let alone managing millions of subscribers. Vtiger 7’s Subscriptions module is an exceptional tool to manage invoice relevant and payment processing problems. With this tool, the whole process including invoice generation to payment management can be automated, saving thousands of precious hours per month. Note! This feature is available only in Ultimate Edition of Vtiger CRM. Installation of Subscription Module First of all, Subscription module is needed to be installed from the