2 * Copyright (c) 1997, 2002 Hellmuth Michaelis. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 /*---------------------------------------------------------------------------
28 * i4b_q931.h - Q931 handling header file
29 * --------------------------------------
33 * last edit-date: [Tue Mar 26 15:04:33 2002]
35 *---------------------------------------------------------------------------*/
42 #define EXT_LAST 0x80 /* last octett */
44 /* reserve space in mbuf */
46 #define I_FRAME_HDRLEN 4 /* to be added by layer 2 */
50 #define CODESET_MASK 0x07
53 #define CRLENGTH_MASK 0x0f
57 #define MSG_CONNECT_LEN 4 /* length of a connect message */
61 #define MSG_DISCONNECT_LEN 8 /* length of a disconnect message */
63 /* RELEASE COMPLETE */
65 #define MSG_RELEASE_COMPLETE_LEN 8 /* length of release complete msg */
67 /* for outgoing causes */
70 #define CAUSE_STD_LOC_OUT 0x80 /* std = CCITT, loc = user */
74 #define MSG_SETUP_LEN 12 /* without called party, */
75 /* calling party and */
76 /* keypad facility ! */
78 #define IEI_BEARERCAP_LEN 2 /* 2 octetts length */
80 #define IT_CAP_SPEECH 0x80 /* BC: information xfer capability */
81 #define IT_CAP_UNR_DIG_INFO 0x88 /* BC: information xfer capability */
83 #define IT_RATE_64K 0x90 /* BC: information xfer rate */
84 #define IT_UL1_G711A 0xa3 /* layer1 proto G.711 A-law */
86 #define IEI_CHANNELID_LEN 0x01 /* length of channel id */
87 #define CHANNELID_B1 0x81 /* channel = B1 (outgoing) */
88 #define CHANNELID_B2 0x82 /* channel = B2 (outgoing) */
89 #define CHANNELID_ANY 0x83 /* channel = any channel (outgoing) */
91 #define IE_CHAN_ID_NO 0x00 /* no channel (incoming) */
92 #define IE_CHAN_ID_B1 0x01 /* B1 channel (incoming) */
93 #define IE_CHAN_ID_B2 0x02 /* B2 channel (incoming) */
94 #define IE_CHAN_ID_ANY 0x03 /* ANY channel (incoming) */
96 #define NUMBER_TYPEPLAN 0x81 /* type of number/numbering plan */
98 #define IEI_CALLINGPN_LEN 1 /* without number string ! */
99 #define IEI_CALLEDPN_LEN 1 /* without number string ! */
101 #define IEI_CALLINGPS_LEN 1
102 #define IEI_CALLEDPS_LEN 1
104 #define SUBADDR_TYPE_NSAP 0x80 /* subaddr: type=NSAP */
108 #define MSG_CONNECT_ACK_LEN 4 /* length of a connect ack message */
112 #define MSG_STATUS_LEN 11
113 #define CALLSTATE_LEN 1
117 #define MSG_RELEASE_LEN 8 /* length of release msg */
121 #define MSG_ALERT_LEN 4 /* length of an alert message */
123 #endif /* _I4B_Q931_H_ */