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Asterisk: The Future of Telephony by Leif Madsen, Jared Smith, Jim Van Meggelen

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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:

answer

Causes the line to be answered before playing the tone

nocallerid

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)

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