1 /* GSM Mobile Radio Interface Layer 3 messages on the A-bis interface
2 * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */
4 /* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
5 * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
6 * (C) 2009 by Andreas Eversberg <jolly@eversberg.eu>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
29 #include <osmocore/linuxlist.h>
30 #include <osmocore/mncc.h>
33 struct llist_head entry;
35 struct osmocom_ms *ms;
39 uint8_t init; /* call initiated, no response yet */
40 uint8_t hold; /* call on hold */
41 uint8_t ring; /* call ringing/knocking */
43 struct timer_list dtmf_timer;
46 char dtmf[32]; /* dtmf sequence */
49 #define DTMF_ST_IDLE 0 /* no DTMF active */
50 #define DTMF_ST_START 1 /* DTMF started, waiting for resp. */
51 #define DTMF_ST_MARK 2 /* wait tone duration */
52 #define DTMF_ST_STOP 3 /* DTMF stopped, waiting for resp. */
53 #define DTMF_ST_SPACE 4 /* wait space between tones */
55 #define MNCC_SETUP_REQ 0x0101
56 #define MNCC_SETUP_IND 0x0102
57 #define MNCC_SETUP_RSP 0x0103
58 #define MNCC_SETUP_CNF 0x0104
59 #define MNCC_SETUP_COMPL_REQ 0x0105
60 #define MNCC_SETUP_COMPL_IND 0x0106
61 /* MNCC_REJ_* is perfomed via MNCC_REL_* */
62 #define MNCC_CALL_CONF_IND 0x0107
63 #define MNCC_CALL_PROC_REQ 0x0108
64 #define MNCC_PROGRESS_REQ 0x0109
65 #define MNCC_ALERT_REQ 0x010a
66 #define MNCC_ALERT_IND 0x010b
67 #define MNCC_NOTIFY_REQ 0x010c
68 #define MNCC_NOTIFY_IND 0x010d
69 #define MNCC_DISC_REQ 0x010e
70 #define MNCC_DISC_IND 0x010f
71 #define MNCC_REL_REQ 0x0110
72 #define MNCC_REL_IND 0x0111
73 #define MNCC_REL_CNF 0x0112
74 #define MNCC_FACILITY_REQ 0x0113
75 #define MNCC_FACILITY_IND 0x0114
76 #define MNCC_START_DTMF_IND 0x0115
77 #define MNCC_START_DTMF_RSP 0x0116
78 #define MNCC_START_DTMF_REJ 0x0117
79 #define MNCC_STOP_DTMF_IND 0x0118
80 #define MNCC_STOP_DTMF_RSP 0x0119
81 #define MNCC_MODIFY_REQ 0x011a
82 #define MNCC_MODIFY_IND 0x011b
83 #define MNCC_MODIFY_RSP 0x011c
84 #define MNCC_MODIFY_CNF 0x011d
85 #define MNCC_MODIFY_REJ 0x011e
86 #define MNCC_HOLD_IND 0x011f
87 #define MNCC_HOLD_CNF 0x0120
88 #define MNCC_HOLD_REJ 0x0121
89 #define MNCC_RETRIEVE_IND 0x0122
90 #define MNCC_RETRIEVE_CNF 0x0123
91 #define MNCC_RETRIEVE_REJ 0x0124
92 #define MNCC_USERINFO_REQ 0x0125
93 #define MNCC_USERINFO_IND 0x0126
94 #define MNCC_REJ_REQ 0x0127
95 #define MNCC_REJ_IND 0x0128
96 #define MNCC_PROGRESS_IND 0x0129
97 #define MNCC_CALL_PROC_IND 0x012a
98 #define MNCC_CALL_CONF_REQ 0x012b
99 #define MNCC_START_DTMF_REQ 0x012c
100 #define MNCC_STOP_DTMF_REQ 0x012d
101 #define MNCC_HOLD_REQ 0x012e
102 #define MNCC_RETRIEVE_REQ 0x012f
104 #define MNCC_BRIDGE 0x0200
105 #define MNCC_FRAME_RECV 0x0201
106 #define MNCC_FRAME_DROP 0x0202
107 #define MNCC_LCHAN_MODIFY 0x0203
109 #define GSM_TCHF_FRAME 0x0300
110 #define GSM_TCHF_FRAME_EFR 0x0301
112 #define GSM_MAX_FACILITY 128
113 #define GSM_MAX_SSVERSION 128
114 #define GSM_MAX_USERUSER 128
116 #define MNCC_F_BEARER_CAP 0x0001
117 #define MNCC_F_CALLED 0x0002
118 #define MNCC_F_CALLING 0x0004
119 #define MNCC_F_REDIRECTING 0x0008
120 #define MNCC_F_CONNECTED 0x0010
121 #define MNCC_F_CAUSE 0x0020
122 #define MNCC_F_USERUSER 0x0040
123 #define MNCC_F_PROGRESS 0x0080
124 #define MNCC_F_EMERGENCY 0x0100
125 #define MNCC_F_FACILITY 0x0200
126 #define MNCC_F_SSVERSION 0x0400
127 #define MNCC_F_CCCAP 0x0800
128 #define MNCC_F_KEYPAD 0x1000
129 #define MNCC_F_SIGNAL 0x2000
132 /* context based information */
136 /* which fields are present */
139 /* data derived informations (MNCC_F_ based) */
140 struct gsm_mncc_bearer_cap bearer_cap;
141 struct gsm_mncc_number called;
142 struct gsm_mncc_number calling;
143 struct gsm_mncc_number redirecting;
144 struct gsm_mncc_number connected;
145 struct gsm_mncc_cause cause;
146 struct gsm_mncc_progress progress;
147 struct gsm_mncc_useruser useruser;
148 struct gsm_mncc_facility facility;
149 struct gsm_mncc_cccap cccap;
150 struct gsm_mncc_ssversion ssversion;
157 /* data derived information, not MNCC_F based */
160 int notify; /* 0..127 */
164 unsigned char lchan_mode;
167 struct gsm_data_frame {
170 unsigned char data[0];
173 const char *get_mncc_name(int value);
174 int mncc_recv(struct osmocom_ms *ms, int msg_type, void *arg);
175 void mncc_set_cause(struct gsm_mncc *data, int loc, int val);