mirror of
https://github.com/asterisk/asterisk.git
synced 2025-11-04 05:15:22 +00:00
139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<support_level>extended</support_level>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
#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, const char *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 (ast_channel_state(chan) != 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 (nocallerid /* Zap caller if no caller id. */
|
|
&& ast_channel_caller(chan)->id.number.valid
|
|
&& !ast_strlen_zero(ast_channel_caller(chan)->id.number.str)) {
|
|
/* We have caller id. */
|
|
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_DECLINE : AST_MODULE_LOAD_SUCCESS);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Block Telemarketers with Special Information Tone");
|