EIA/CEA-819-A Part I sets forth the minimum requirements that a two-way cable TV system shall meet in order to support interactive and transactional services as well as baseline services provided to consumerowned cable-compatible two-way digital TV receivers and other cable-compatible two-way consumer devices that comply with the requirements of EIA/CEA-819-A Part II.

Baseline Services

The baseline services that may be provided are those listed in EIA/CEA-818-D Part I Section 1.1 of and, if provided shall be in accordance with EIA/CEA-819-A Part I.

Two-Way Interactive and Transactional Services.

Interactive and Transactional Services that may be provided include:

a) Impulse pay-per-view.

b) Video on demand.

c) Interactive shopping

d) Audience opinion polling.

e) Other services requiring two-way communication between the cable headend and the POD module.

If any two-way interactive and transactional services are provided, the upstream communications support for them shall be provided in accordance with EIA/CEA-819-A Part I.