Open Network Architecture. The overall design of a carrier's basic network facilities and services to permit all users of the basic network, including enhanced service providers, to interconnect to basic network functions on an unbundled and "equal access" basis. ONA services include the following: Basic Service Arrangements (BSAs) Basic Service Elements (BSEs) Complementary Network Services (CNSs) Ancillary Services Basic Service Element

A concept under which telephone companies are obliged to provide a certain class of service to their own internal value-added divisions and the same class of service to external, nonaffiliated value-added companies.

Open Network Architecture. An overall design of a regulated common carrier's basic network facilities and basic services that permits all vendors of basic or enhanced services (including the common carrier itself) to procure specific basic network functions and interfaces on an unbundled equal-access basis.

Oeuvre Nationale des Aveugles

Oscar Night America

Oman News Agency

Organisational Needs Analysis

Office of National Assessment

Office of National Assessments

Outstanding Natural Area

see, watch, look, observe, onana, see each other

to see