For the purposes of this Part, a telecommunications activity is an activity that consists of:
(a) carrying on business as a carrier; or
(b) carrying on business as a carriage service provider; or
(c) supplying goods or services for use in connection with the supply of a listed carriage service; or
(d) supplying a content service using a listed carriage service; or
(e) manufacturing or importing customer equipment or customer cabling; or
(f) installing, maintaining, operating or providing access to:
(i) a telecommunications network; or
(ii) a facility;
used to supply a listed carriage service; or
(g) carrying on business as an electronic messaging service provider.