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125 lines
4.6 KiB
C
125 lines
4.6 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/linkedlists.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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#define PARK_APP_NAME "Park"
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#define FEATURE_RETURN_HANGUP -1
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#define FEATURE_RETURN_SUCCESSBREAK 0
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#define FEATURE_RETURN_PBX_KEEPALIVE AST_PBX_KEEPALIVE
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#define FEATURE_RETURN_NO_HANGUP_PEER AST_PBX_NO_HANGUP_PEER
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#define FEATURE_RETURN_PASSDIGITS 21
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#define FEATURE_RETURN_STOREDIGITS 22
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#define FEATURE_RETURN_SUCCESS 23
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#define FEATURE_RETURN_KEEPTRYING 24
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#define FEATURE_RETURN_PARKFAILED 25
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#define FEATURE_SENSE_CHAN (1 << 0)
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#define FEATURE_SENSE_PEER (1 << 1)
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typedef int (*ast_feature_operation)(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, char *code, int sense, void *data);
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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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/*! \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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Park the channel chan, and read back the parked location to the
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host. If the call is not picked up within a specified period of
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time, 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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\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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int ast_park_call(struct ast_channel *chan, struct ast_channel *host, int timeout, int *extout);
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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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Masquerade the channel rchan into a new, empty channel which is then
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parked with ast_park_call
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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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int ast_masq_park_call(struct ast_channel *rchan, struct ast_channel *host, int timeout, int *extout);
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/*! \brief Determine system parking extension
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* Returns the call parking extension for drivers that provide special
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call parking help */
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char *ast_parking_ext(void);
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/*! \brief Determine system call pickup extension */
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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 detect a feature before bridging
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\param chan
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\param ast_flags ptr
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\param char ptr of input code
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\retval ast_call_feature ptr to be set if found
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\return result, was feature found or not */
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int ast_feature_detect(struct ast_channel *chan, struct ast_flags *features, char *code, struct ast_call_feature *feature);
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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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#endif /* _AST_FEATURES_H */
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