372. (1) Every one who, with intent to injure or alarm any person, conveys or causes or procures to be conveyed by letter, telegram, telephone, cable, radio or otherwise information that he knows is false is guilty of an indictable offence and liable to imprisonment for a term not exceeding two years.
(2) Every one who, with intent to alarm or annoy any person, makes any indecent telephone call to that person is guilty of an offence punishable on summary conviction.
(3) Every one who, without lawful excuse and with intent to harass any person, makes or
causes to be made repeated telephone calls to that person is guilty of an offence punishable on summary conviction.
http://laws-lois.justice.gc.ca/PDF/C-46.pdf
