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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | /*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2010, Digium, Inc.
*
* 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.
*/
/*! \file
* \brief Channel states
* \par See also:
* \arg \ref Def_Channel
* \arg \ref channel_drivers
*/
#ifndef __AST_CHANNELSTATE_H__
#define __AST_CHANNELSTATE_H__
#include "asterisk.h"
/*!
* \brief ast_channel states
*
* \note Bits 0-15 of state are reserved for the state (up/down) of the line
* Bits 16-32 of state are reserved for flags
*/
enum ast_channel_state {
AST_STATE_DOWN, /*!< Channel is down and available */
AST_STATE_RESERVED, /*!< Channel is down, but reserved */
AST_STATE_OFFHOOK, /*!< Channel is off hook */
AST_STATE_DIALING, /*!< Digits (or equivalent) have been dialed */
AST_STATE_RING, /*!< Line is ringing */
AST_STATE_RINGING, /*!< Remote end is ringing */
AST_STATE_UP, /*!< Line is up */
AST_STATE_BUSY, /*!< Line is busy */
AST_STATE_DIALING_OFFHOOK, /*!< Digits (or equivalent) have been dialed while offhook */
AST_STATE_PRERING, /*!< Channel has detected an incoming call and is waiting for ring */
AST_STATE_MUTE = (1 << 16), /*!< Do not transmit voice data */
};
/*! \brief Change the state of a channel */
int ast_setstate(struct ast_channel *chan, enum ast_channel_state);
#endif /* __AST_CHANNELSTATE_H__ */
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