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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2012, Digium, Inc.
*
* Mark Michelson <mmichelson@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.
*/
#ifndef __ASTERISK_SIP_H
#define __ASTERISK_SIP_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include "asterisk/config.h"
#define AST_SIP_API_VERSION 1
struct ast_sip_api_tech {
const int version;
const char *name;
int (*sipinfo_send)(struct ast_channel *chan,
struct ast_variable *headers, const char *content_type,
const char *content, const char *useragent_filter);
};
/*!
* \brief Send a customized SIP INFO request
*
* \param chan Channel
* \param headers The headers to add to the INFO request
* \param content_type The content type header to add
* \param content The body of the INFO request
* \param useragent_filter If non-NULL, only send the INFO if the
* recipient's User-Agent contains useragent_filter as a substring
*
* \retval 0 Success
* \retval non-zero Failure
*/
int ast_sipinfo_send(struct ast_channel *chan,
struct ast_variable *headers,
const char *content_type,
const char *content,
const char *useragent_filter);
/*!
* \brief Register a SIP API provider
*
* This will fail if a provider has already registered or if the
* provider is using an incorrect version.
*
* \param provider The provider to register
* \retval 0 Success
* \retval -1 Failure
*/
int ast_sip_api_provider_register(const struct ast_sip_api_tech *provider);
/*!
* \brief Unregister a SIP API provider
*/
void ast_sip_api_provider_unregister(void);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* __ASTERISK_SIP_H */
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