127 Improper use of public electronic communications network
(1) A person is guilty of an offence if he-
(a) sends by means of a public electronic communications network a message or other matter that is grossly offensive or of an indecent, obscene or menacing character; or
(b) causes any such message or matter to be so sent.
(2) A person is guilty of an offence if, for the purpose of causing annoyance, inconvenience or needless anxiety to another, he-
(a) sends by means of a public electronic communications network, a message that he knows to be false,
(b) causes such a message to be sent; or
(c) persistently makes use of a public electronic communications network.
(3) A person guilty of an offence under this section shall be liable, on summary conviction, to imprisonment for a term not exceeding six months or to a fine not exceeding level 5 on the standard scale, or to both.
(4) Subsections (1) and (2) do not apply to anything done in the course of providing a programme service (within the meaning of the Broadcasting Act 1990 (c. 42)).