freebsd-nq/sys/i4b/layer3/i4b_q931.h
1999-08-28 01:08:13 +00:00

117 lines
3.6 KiB
C

/*
* Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b_q931.h - Q931 handling header file
* --------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Sun Feb 14 10:33:56 1999]
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_Q931_H_
#define _I4B_Q931_H_
/* extension bit */
#define EXT_LAST 0x80 /* last octett */
/* reserve space in mbuf */
#define I_FRAME_HDRLEN 4 /* to be added by layer 2 */
/* SHIFT */
#define CODESET_MASK 0x07
#define UNSHIFTED 0
#define SHIFTED 1
#define CRLENGTH_MASK 0x0f
/* CONNECT */
#define MSG_CONNECT_LEN 4 /* length of a connect message */
/* DISCONNECT */
#define MSG_DISCONNECT_LEN 8 /* length of a disconnect message */
/* RELEASE COMPLETE */
#define MSG_RELEASE_COMPLETE_LEN 8 /* length of release complete msg */
/* for outgoing causes */
#define CAUSE_LEN 2
#define CAUSE_STD_LOC_OUT 0x80 /* std = CCITT, loc = user */
/* SETUP */
#define MSG_SETUP_LEN 18 /* without number strings ! */
#define IEI_BEARERCAP_LEN 2 /* 2 octetts lenght */
#define IT_CAP_SPEECH 0x80 /* BC: information xfer capability */
#define IT_CAP_UNR_DIG_INFO 0x88 /* BC: information xfer capability */
#define IT_RATE_64K 0x90 /* BC: information xfer rate */
#define IT_UL1_G711A 0xa3 /* layer1 proto G.711 A-law */
#define IEI_CHANNELID_LEN 0x01 /* length of channel id */
#define CHANNELID_B1 0x81 /* channel = B1 (outgoing) */
#define CHANNELID_B2 0x82 /* channel = B2 (outgoing) */
#define CHANNELID_ANY 0x83 /* channel = any channel (outgoing) */
#define IE_CHAN_ID_NO 0x00 /* no channel (incoming) */
#define IE_CHAN_ID_B1 0x01 /* B1 channel (incoming) */
#define IE_CHAN_ID_B2 0x02 /* B2 channel (incoming) */
#define IE_CHAN_ID_ANY 0x03 /* ANY channel (incoming) */
#define NUMBER_TYPEPLAN 0x81 /* type of number/numbering plan */
#define IEI_CALLINGPN_LEN 1 /* without number string ! */
#define IEI_CALLEDPN_LEN 1 /* without number string ! */
/* CONNECT_ACK */
#define MSG_CONNECT_ACK_LEN 4 /* length of a connect ack message */
/* STATUS */
#define MSG_STATUS_LEN 11
#define CALLSTATE_LEN 1
/* RELEASE */
#define MSG_RELEASE_LEN 8 /* length of release msg */
/* ALERT */
#define MSG_ALERT_LEN 4 /* length of a alert message */
#endif /* _I4B_Q931_H_ */