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116 lines
4.0 KiB
116 lines
4.0 KiB
/*
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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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#define FEATURE_MAX_LEN 11
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#define FEATURE_APP_LEN 64
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#define FEATURE_APP_ARGS_LEN 256
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#define FEATURE_SNAME_LEN 32
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#define FEATURE_EXTEN_LEN 32
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#define FEATURE_MOH_LEN 80 /* same as MAX_MUSICCLASS from channel.h */
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/*! \brief main call feature structure */
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struct ast_call_feature {
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int feature_mask;
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char *fname;
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char sname[FEATURE_SNAME_LEN];
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char exten[FEATURE_MAX_LEN];
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char default_exten[FEATURE_MAX_LEN];
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int (*operation)(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data);
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unsigned int flags;
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char app[FEATURE_APP_LEN];
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char app_args[FEATURE_APP_ARGS_LEN];
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char moh_class[FEATURE_MOH_LEN];
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AST_LIST_ENTRY(ast_call_feature) feature_entry;
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};
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/*!
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* \brief Park a call and read back parked location
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* \param chan the channel to actually be parked
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* \param host the channel which will have the parked location read to.
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* \param timeout is a timeout in milliseconds
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* \param extout is a parameter to an int that will hold the parked location, or NULL if you want.
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*
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* Park the channel chan, and read back the parked location to the host.
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* If the call is not picked up within a specified period of time,
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* then the call will return to the last step that it was in
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* (in terms of exten, priority and context)
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* \retval 0 on success.
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* \retval -1 on failure.
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*/
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int ast_park_call(struct ast_channel *chan, struct ast_channel *host, int timeout, int *extout);
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/*!
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* \brief Park a call via a masqueraded channel
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* \param rchan the real channel to be parked
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* \param host the channel to have the parking read to.
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* \param timeout is a timeout in milliseconds
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* \param extout is a parameter to an int that will hold the parked location, or NULL if you want.
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*
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* Masquerade the channel rchan into a new, empty channel which is then parked with ast_park_call
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* \retval 0 on success.
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* \retval -1 on failure.
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*/
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int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *host, int timeout, int *extout);
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/*!
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* \brief Determine system parking extension
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* \returns the call parking extension for drivers that provide special call parking help
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*/
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const char *ast_parking_ext(void);
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/*! \brief Determine system call pickup extension */
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const char *ast_pickup_ext(void);
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/*! \brief Bridge a call, optionally allowing redirection */
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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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/*! \brief Pickup a call */
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int ast_pickup_call(struct ast_channel *chan);
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/*! \brief register new feature into feature_set
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\param feature an ast_call_feature object which contains a keysequence
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and a callback function which is called when this keysequence is pressed
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during a call. */
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void ast_register_feature(struct ast_call_feature *feature);
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/*! \brief unregister feature from feature_set
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\param feature the ast_call_feature object which was registered before*/
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void ast_unregister_feature(struct ast_call_feature *feature);
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/*! \brief look for a call feature entry by its sname
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\param name a string ptr, should match "automon", "blindxfer", "atxfer", etc. */
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struct ast_call_feature *ast_find_call_feature(const char *name);
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void ast_rdlock_call_features(void);
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void ast_unlock_call_features(void);
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/*! \brief Reload call features from features.conf */
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int ast_features_reload(void);
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#endif /* _AST_FEATURES_H */
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