sends, by those means, for the purpose of causing annoyance, inconvenience or anxiety to another person, a message which he knows to be false, or persistently makes use, for that purpose, of a public telecommunication system, shall be guilty of an offence and shall be liable, to a fine of not less than P10 000.00 but not more than P50 000.00  Any person who— Miscellaneous offenses (a) willfully interferes with, hinders or impedes in any way the erection, alteration, maintenance or inspection of any telecommunication equipment; E