57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2010, Digium, Inc.
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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 Channel states
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* \par See also:
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* \arg \ref Def_Channel
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* \arg \ref channel_drivers
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*/
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#ifndef __AST_CHANNELSTATE_H__
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#define __AST_CHANNELSTATE_H__
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#include "asterisk.h"
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/*!
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* \brief ast_channel states
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*
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* \note Bits 0-15 of state are reserved for the state (up/down) of the line
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* Bits 16-32 of state are reserved for flags
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*/
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enum ast_channel_state {
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AST_STATE_DOWN, /*!< Channel is down and available */
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AST_STATE_RESERVED, /*!< Channel is down, but reserved */
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AST_STATE_OFFHOOK, /*!< Channel is off hook */
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AST_STATE_DIALING, /*!< Digits (or equivalent) have been dialed */
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AST_STATE_RING, /*!< Line is ringing */
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AST_STATE_RINGING, /*!< Remote end is ringing */
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AST_STATE_UP, /*!< Line is up */
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AST_STATE_BUSY, /*!< Line is busy */
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AST_STATE_DIALING_OFFHOOK, /*!< Digits (or equivalent) have been dialed while offhook */
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AST_STATE_PRERING, /*!< Channel has detected an incoming call and is waiting for ring */
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AST_STATE_MUTE = (1 << 16), /*!< Do not transmit voice data */
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};
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/*!
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* \brief Change the state of a channel
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* \pre chan is locked
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*/
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int ast_setstate(struct ast_channel *chan, enum ast_channel_state);
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#endif /* __AST_CHANNELSTATE_H__ */
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