CapEx

Customer pays for software up front from a capital expenditure budget.

OpEx

Customer pays for the use of the software from their operating expense budget on a recurring basis over a term period. For example, monthly or yearly.

Fixed Quantity Subscription

Fixed quantity subscription of software typically billed up front on a recurring basis and used for a specific, limited period of time during which the customer can use the software.

The customer is billed for the fixed subscribed quantity, independent of the customer’s actual use.

Overage

Overage refers to the additional capacity that the customer is entitled for over the Fixed Quantity Subscription without any additional charges.

Sold To Number (ST) or Functional Location Number (FL)

Avaya site number for a specific location.

Service bundle

A service bundle is a collection of services that are grouped. An example of a service is the Avaya Aura® Experience Portal IVR service. An example of a service bundle is Calling plus Voicemail.