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Asterisk: The Future of Telephony, 2nd Edition
book

Asterisk: The Future of Telephony, 2nd Edition

by Jim Van Meggelen, Jared Smith, Leif Madsen
August 2007
Intermediate to advanced
608 pages
20h 33m
English
O'Reilly Media, Inc.
Content preview from Asterisk: The Future of Telephony, 2nd Edition

Name

IF — Conditional value selection

Synopsis

IF(expr?[true][:false])

Conditional: returns the data following ? if true, otherwise the data following :.

; Returns foo
exten => 123,1,Set(something=${IF($[2 > 1]?foo:bar)})
; Returns bar
exten => 123,n,Set(something=${IF($[2 < 1]?foo:bar)})

See Also

GotoIf()

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Publisher Resources

ISBN: 9780596510480Errata Page