FreeBSD/Linux Kernel Cross Reference
sys/netisdn/i4b_q931.h

     /*
      * Copyright (c) 1997, 2000 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
     *      --------------------------------------
     *
     *      $Id: i4b_q931.h,v 1.2 2004/02/13 18:02:05 wiz Exp $ 
     *
     * $FreeBSD$
     *
     *      last edit-date: [Thu Apr 27 11:07:37 2000]
     *
     *---------------------------------------------------------------------------*/
    
    #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 length */
    
    #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_ */
   
   /* EOF */

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