Zapateller() — Uses a special information tone to block telemarketers
Generates a special information tone to block telemarketers and other computer-dialed calls from bothering you.
options argument is a
pipe-delimited list of options. The following options are
Causes the line to be answered before playing the tone
Causes Zapateller to play the tone only if no Caller ID information is available
; answer the line, and play the SIT tone if there is no Caller ID information exten => 123,1,Zapateller(answer|nocallerid)