Line Sharing Service


Declared service

The Australian Competition and Consumer Commission extended the expiry date for the Line Sharing Service pursuant to section 152ALA(4) of the Competition and Consumer Act 2010. The ACCC varied the Line Sharing Service declaration in accordance with section 152AO of the Act.


The Line Sharing Service declaration was extended to 31 July 2019. The variation of the Line Sharing Service declaration took effect on 1 August 2014.

Service description

The Line Sharing Service is the use of the non-voiceband frequency spectrum of unconditioned communications wire (over which wire an underlying voiceband PSTN service is operating) between the boundary of a telecommunications network at an end-user’s premises and a point on a telecommunications network that is a potential point of interconnection located at, or associated with, a customer access module and located on the end-user side of the customer access module.


Where words or phrases used in this declaration are defined in the Act or the Telecommunications Act 1997, they have the same meaning given in the relevant Act.

boundary of a telecommunications network is the point ascertained in accordance with section 22 of the Telecommunications Act 1997;

communications wire is a copper or aluminium based wire forming part of a public switched telephone network;

customer access module is a device that provides ring tone, ring current and battery feed to customers’ equipment. Examples are Remote Subscriber Stages, Remote Subscriber Units, Integrated Remote Integrated Multiplexers, Non-integrated Remote Integrated Multiplexers and the customer line module of a Local Switch;

public switched telephone network is a telephone network accessible by the public providing switching and transmission facilities utilising analogue and digital technologies;

voiceband PSTN service is a service provided by use of a public switched telephone network and delivered by means of the voiceband portion of the frequency spectrum available over a metallic line.