Plain Old Telephone Service (POTS) means telephone service for the transmission of human speech.
Telephone Toll Service is As Defined in the Act.
Telephone Service means calls (including voice, voicemail and conference and data calls), supplementary services (including call forwarding and call transfer) and messaging and multi-media services (including short message services, enhanced media services and multi-media services);
Telephone means a device which is used to transmit and receive voice frequency signals.
public telecommunications network means the public telecommunications infrastructure which enables signals to be conveyed between defined network termination points by wire, by microwave, by optical means or by other electromagnetic means;