112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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* \brief Call Parking and Pickup API
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* Includes code and algorithms from the Zapata library.
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*/
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#ifndef _AST_FEATURES_H
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#define _AST_FEATURES_H
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#include "asterisk/pbx.h"
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#include "asterisk/linkedlists.h"
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#include "asterisk/bridge.h"
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/*! \brief main call feature structure */
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enum {
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AST_FEATURE_FLAG_NEEDSDTMF = (1 << 0),
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AST_FEATURE_FLAG_ONPEER = (1 << 1),
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AST_FEATURE_FLAG_ONSELF = (1 << 2),
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AST_FEATURE_FLAG_BYCALLEE = (1 << 3),
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AST_FEATURE_FLAG_BYCALLER = (1 << 4),
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AST_FEATURE_FLAG_BYBOTH = (3 << 3),
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};
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/*!
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* \brief Bridge a call, optionally allowing redirection
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*
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* \note The function caller is assumed to have already done the
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* COLP exchange for the initial bridging of the two channels if
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* it was desired.
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*/
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int ast_bridge_call(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config);
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/*!
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* \brief Bridge a call, and add additional flags to the bridge
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*
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* \details
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* This does the same thing as \ref ast_bridge_call, except that once the bridge
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* is created, the provided flags are set on the bridge. The provided flags are
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* added to the bridge's flags; they will not clear any flags already set.
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*
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* \param chan The calling channel
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* \param peer The called channel
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* \param config Bridge configuration for the channels
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* \param flags Additional flags to set on the created bridge
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*
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* \note The function caller is assumed to have already done the
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* COLP exchange for the initial bridging of the two channels if
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* it was desired.
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*/
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int ast_bridge_call_with_flags(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, unsigned int flags);
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/*!
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* \brief Add an arbitrary channel to a bridge
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* \since 12.0.0
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*
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* \details
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* The channel that is being added to the bridge can be in any state: unbridged,
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* bridged, answered, unanswered, etc. The channel will be added asynchronously,
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* meaning that when this function returns once the channel has been added to
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* the bridge, not once the channel has been removed from the bridge.
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*
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* In addition, a tone can optionally be played to the channel once the
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* channel is placed into the bridge.
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*
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* \note When this function returns, there is no guarantee that the channel that
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* was passed in is valid any longer. Do not attempt to operate on the channel
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* after this function returns.
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*
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* \param bridge Bridge to which the channel should be added
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* \param chan The channel to add to the bridge
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* \param features Features for this channel in the bridge
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* \param play_tone Indicates if a tone should be played to the channel
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* \param xfersound Sound that should be used to indicate transfer with play_tone
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*
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* \note The features parameter must be NULL or obtained by
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* ast_bridge_features_new(). You must not dereference features
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* after calling even if the call fails.
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*
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* \retval 0 Success
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* \retval -1 Failure
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*/
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int ast_bridge_add_channel(struct ast_bridge *bridge, struct ast_channel *chan,
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struct ast_bridge_features *features, int play_tone, const char *xfersound);
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/*!
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* \brief parse L option and read associated channel variables to set warning, warning frequency, and timelimit
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* \note caller must be aware of freeing memory for warning_sound, end_sound, and start_sound
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*/
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int ast_bridge_timelimit(struct ast_channel *chan, struct ast_bridge_config *config, char *parse, struct timeval *calldurationlimit);
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#endif /* _AST_FEATURES_H */
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