UNS is now grandfathered to Level 3 as at 31 December 2009.  This means that no new end-users may obtain the product.  Existing end-users will be able to keep instances of the product they have; they can order more instances where equipment and capacity allow; and, they may keep the product if they move where equipment and capacity allow.

Unbundled Network Service (UNS) is a business grade, layer 2 data access tail product that delivers a range of symmetrical access bandwidth options to an end-user site over a xDSL copper line. The end-user is presented with an Ethernet interface.

Built on Telecom's underlying ATM access platform, UNS provides a real time Variable Bit Rate (VBR) local access service that allows service providers to build a business-grade multi-point Internet Protocol (IP) network to deliver tailored applications and branded products for businesses - from small enterprise and to corporate end-users.