August 2007
Intermediate to advanced
608 pages
20h 33m
English
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Name
Zapateller() — Uses a special information tone to block telemarketers
Synopsis
Zapateller(options)Generates a special information tone to block telemarketers and other computer-dialed calls from bothering you.
The options argument is a
pipe-delimited list of options. The following options are
available:
answerCauses the line to be answered before playing the tone.
nocalleridCauses 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)