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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
*
* \ingroup applications
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision: 7221 $")
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
static char *tdesc = "Block Telemarketers with Special Information Tone";
static char *app = "Zapateller";
static char *synopsis = "Block telemarketers with SIT";
static char *descrip =
" Zapateller(options): Generates special information tone to block\n"
"telemarketers from calling you. Options is a pipe-delimited list of\n"
"options. The following options are available:\n"
"'answer' causes the line to be answered before playing the tone,\n"
"'nocallerid' causes Zapateller to only play the tone if there\n"
"is no callerid information available. Options should be separated by |\n"
"characters\n";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int zapateller_exec(struct ast_channel *chan, void *data)
{
int res = 0;
struct localuser *u;
int answer = 0, nocallerid = 0;
char *c;
char *stringp=NULL;
LOCAL_USER_ADD(u);
stringp=data;
c = strsep(&stringp, "|");
while(!ast_strlen_zero(c)) {
if (!strcasecmp(c, "answer"))
answer = 1;
else if (!strcasecmp(c, "nocallerid"))
nocallerid = 1;
c = strsep(&stringp, "|");
}
ast_stopstream(chan);
if (chan->_state != AST_STATE_UP) {
if (answer)
res = ast_answer(chan);
if (!res) {
res = ast_safe_sleep(chan, 500);
}
}
if (chan->cid.cid_num && nocallerid) {
LOCAL_USER_REMOVE(u);
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);
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
int res;
res = ast_unregister_application(app);
STANDARD_HANGUP_LOCALUSERS;
return res;
}
int load_module(void)
{
return ast_register_application(app, zapateller_exec, synopsis, descrip);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
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