This Standard applies to Customer Equipment (CE) that:

(a) is designed or intended for connection to a non-switched Telecommunications Network presented as a cable pair interface;

(b) is designed or intended for operation in the voice frequency band; and

(c) does not have a DC or out-of-band signalling capability or DC power feed.

CE is not excluded from the scope of this Standard by reason only that it is capable of performing functions additional to those described in this Standard.