It is definied in apps/app_senddtmf.c.
apps/app_senddtmf.c
Available since Asterisk 1.2.8 @since 0.3 @author srt @version $Id$
721722723724725726727728729730731
if (digit == null) { throw new IllegalArgumentException("DTMF digit to send must not be null"); } response = server.sendAction(new PlayDtmfAction(name, digit)); if (response instanceof ManagerError) { throw new NoSuchChannelException("Channel '" + name + "' is not available: " + response.getMessage()); } }
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