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/*
* Asterisk -- A telephony toolkit for Linux.
*
* Playback the special information tone to get rid of telemarketers
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#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>
#include <string.h>
#include <stdlib.h>
#include <pthread.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 telemarketers\n"
"from calling you. Returns 0 normally or -1 on hangup. Options is a pipe-delimited\n"
"list of options. The only supported option is 'answer' which will cause the line to\n"
"be answered before playing the tone";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int zapateller_exec(struct ast_channel *chan, void *data)
{
int res = 0;
struct localuser *u;
LOCAL_USER_ADD(u);
ast_stopstream(chan);
if (chan->_state != AST_STATE_UP) {
if (data && !strcasecmp(data, "answer"))
res = ast_answer(chan);
if (!res) {
res = ast_safe_sleep(chan, 500);
}
}
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);
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
STANDARD_HANGUP_LOCALUSERS;
return ast_unregister_application(app);
}
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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