New York Laws
Article 270 - Other Offenses Relating to Public Safety
270.15 - Unlawfully Refusing to Yield a Party Line.

(a) "Party line" means a subscriber's line telephone circuit,
consisting of two or more main telephone stations connected therewith,
each station with a distinctive ring or telephone number.
(b) "Emergency call" means a telephone call to a police or fire
department, or for medical aid or ambulance service, necessitated by a
situation in which human life or property is in jeopardy and prompt
summoning of aid is essential.
2. A person is guilty of unlawfully refusing to yield a party line
when, being informed that a party line is needed for an emergency call,
he refuses immediately to relinquish such line.
Unlawfully refusing to yield a party line is a class B misdemeanor.