Synopsis:

Block telemarketers with SIT

Description:

Zapateller(options)

Generates special information tone to block telemarketers from calling you.

Options is a pipe-delimited list of options. The following options are available:

answer: causes the line to be answered before playing the tone
nocallerid: causes Zapateller to only play the tone if there is no callerid information available.

Options should be separated by | characters

Returns 0 normally or -1 on hangup.