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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Playback the special information tone to get rid of telemarketers
*
* \author Mark Spencer <markster@digium.com>
*
* \ingroup applications
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/app.h"
/*** DOCUMENTATION
<application name="Zapateller" language="en_US">
<synopsis>
Block telemarketers with SIT.
</synopsis>
<syntax>
<parameter name="options" required="true">
<para>Comma delimited list of options.</para>
<optionlist>
<option name="answer">
<para>Causes the line to be answered before playing the tone.</para>
</option>
<option name="nocallerid">
<para>Causes Zapateller to only play the tone if there is no
callerid information available.</para>
</option>
</optionlist>
</parameter>
</syntax>
<description>
<para>Generates special information tone to block telemarketers from calling you.</para>
<para>This application will set the following channel variable upon completion:</para>
<variablelist>
<variable name="ZAPATELLERSTATUS">
<para>This will contain the last action accomplished by the
Zapateller application. Possible values include:</para>
<value name="NOTHING" />
<value name="ANSWERED" />
<value name="ZAPPED" />
</variable>
</variablelist>
</description>
</application>
***/
static char *app = "Zapateller";
static int zapateller_exec(struct ast_channel *chan, void *data)
{
int res = 0;
int i, answer = 0, nocallerid = 0;
char *parse = ast_strdupa((char *)data);
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(options)[2];
);
AST_STANDARD_APP_ARGS(args, parse);
for (i = 0; i < args.argc; i++) {
if (!strcasecmp(args.options[i], "answer"))
answer = 1;
else if (!strcasecmp(args.options[i], "nocallerid"))
nocallerid = 1;
}
pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "NOTHING");
ast_stopstream(chan);
if (chan->_state != AST_STATE_UP) {
if (answer) {
res = ast_answer(chan);
pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "ANSWERED");
}
if (!res)
res = ast_safe_sleep(chan, 500);
}
if (!ast_strlen_zero(chan->cid.cid_num) && nocallerid)
return res;
if (!res)
res = ast_tonepair(chan, 950, 0, 330, 0);
if (!res)
res = ast_tonepair(chan, 1400, 0, 330, 0);
if (!res)
res = ast_tonepair(chan, 1800, 0, 330, 0);
if (!res)
res = ast_tonepair(chan, 0, 0, 1000, 0);
pbx_builtin_setvar_helper(chan, "ZAPATELLERSTATUS", "ZAPPED");
return res;
}
static int unload_module(void)
{
return ast_unregister_application(app);
}
static int load_module(void)
{
return ((ast_register_application_xml(app, zapateller_exec)) ? AST_MODULE_LOAD_FAILURE : AST_MODULE_LOAD_SUCCESS);
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Block Telemarketers with Special Information Tone");
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