OSS - (Operations Support Systems) - Operations Support Systems often include methods, procedures, equipment and computer programs that support a telecommunications network. Operations support systems often make up the core of a commercial network service's operations, administration, maintenance, and provisioning. OSS functions can include inventory, billing, planning, testing, repairs and provisioning.

Business Support Systems - (BSS)

List of Subscriber Management Systems (SMS) Businesses

iTV Content Management Solutions (CMS) and Operations Support Systems (OSS) Providers

List of Interactive TV Data Management Businesses