mncc.h

   1
   2 #include <stdint.h>
   3
   4 #define MNCC_SETUP_REQ          0x0101
   5 #define MNCC_SETUP_IND          0x0102
   6 #define MNCC_SETUP_RSP          0x0103
   7 #define MNCC_SETUP_CNF          0x0104
   8 #define MNCC_SETUP_COMPL_REQ    0x0105
   9 #define MNCC_SETUP_COMPL_IND    0x0106
  10 /* MNCC_REJ_* is perfomed via MNCC_REL_* */
  11 #define MNCC_CALL_CONF_IND      0x0107
  12 #define MNCC_CALL_PROC_REQ      0x0108
  13 #define MNCC_PROGRESS_REQ       0x0109
  14 #define MNCC_ALERT_REQ          0x010a
  15 #define MNCC_ALERT_IND          0x010b
  16 #define MNCC_NOTIFY_REQ         0x010c
  17 #define MNCC_NOTIFY_IND         0x010d
  18 #define MNCC_DISC_REQ           0x010e
  19 #define MNCC_DISC_IND           0x010f
  20 #define MNCC_REL_REQ            0x0110
  21 #define MNCC_REL_IND            0x0111
  22 #define MNCC_REL_CNF            0x0112
  23 #define MNCC_FACILITY_REQ       0x0113
  24 #define MNCC_FACILITY_IND       0x0114
  25 #define MNCC_START_DTMF_IND     0x0115
  26 #define MNCC_START_DTMF_RSP     0x0116
  27 #define MNCC_START_DTMF_REJ     0x0117
  28 #define MNCC_STOP_DTMF_IND      0x0118
  29 #define MNCC_STOP_DTMF_RSP      0x0119
  30 #define MNCC_MODIFY_REQ         0x011a
  31 #define MNCC_MODIFY_IND         0x011b
  32 #define MNCC_MODIFY_RSP         0x011c
  33 #define MNCC_MODIFY_CNF         0x011d
  34 #define MNCC_MODIFY_REJ         0x011e
  35 #define MNCC_HOLD_IND           0x011f
  36 #define MNCC_HOLD_CNF           0x0120
  37 #define MNCC_HOLD_REJ           0x0121
  38 #define MNCC_RETRIEVE_IND       0x0122
  39 #define MNCC_RETRIEVE_CNF       0x0123
  40 #define MNCC_RETRIEVE_REJ       0x0124
  41 #define MNCC_USERINFO_REQ       0x0125
  42 #define MNCC_USERINFO_IND       0x0126
  43 #define MNCC_REJ_REQ            0x0127
  44 #define MNCC_REJ_IND            0x0128
  45 #define MNCC_PROGRESS_IND       0x0129
  46 #define MNCC_CALL_PROC_IND      0x012a
  47 #define MNCC_CALL_CONF_REQ      0x012b
  48 #define MNCC_START_DTMF_REQ     0x012c
  49 #define MNCC_STOP_DTMF_REQ      0x012d
  50 #define MNCC_HOLD_REQ           0x012e
  51 #define MNCC_RETRIEVE_REQ       0x012f
  52
  53 #define MNCC_BRIDGE             0x0200
  54 #define MNCC_FRAME_RECV         0x0201
  55 #define MNCC_FRAME_DROP         0x0202
  56 #define MNCC_LCHAN_MODIFY       0x0203
  57 #define MNCC_RTP_CREATE         0x0204
  58 #define MNCC_RTP_CONNECT        0x0205
  59 #define MNCC_RTP_FREE           0x0206
  60
  61 #define GSM_TCHF_FRAME          0x0300
  62 #define GSM_TCHF_FRAME_EFR      0x0301
  63 #define GSM_TCHH_FRAME          0x0302
  64 #define GSM_TCH_FRAME_AMR       0x0303
  65 #define GSM_BAD_FRAME           0x03ff
  66
  67 #define MNCC_SOCKET_HELLO       0x0400
  68
  69 #define GSM_MAX_FACILITY        128
  70 #define GSM_MAX_SSVERSION       128
  71 #define GSM_MAX_USERUSER        128
  72
  73 #define MNCC_F_BEARER_CAP       0x0001
  74 #define MNCC_F_CALLED           0x0002
  75 #define MNCC_F_CALLING          0x0004
  76 #define MNCC_F_REDIRECTING      0x0008
  77 #define MNCC_F_CONNECTED        0x0010
  78 #define MNCC_F_CAUSE            0x0020
  79 #define MNCC_F_USERUSER         0x0040
  80 #define MNCC_F_PROGRESS         0x0080
  81 #define MNCC_F_EMERGENCY        0x0100
  82 #define MNCC_F_FACILITY         0x0200
  83 #define MNCC_F_SSVERSION        0x0400
  84 #define MNCC_F_CCCAP            0x0800
  85 #define MNCC_F_KEYPAD           0x1000
  86 #define MNCC_F_SIGNAL           0x2000
  87
  88 #define GSM_MAX_FACILITY       128
  89 #define GSM_MAX_SSVERSION      128
  90 #define GSM_MAX_USERUSER       128
  91
  92 /* Expanded fields from GSM TS 04.08, Table 10.5.102 */
  93 struct gsm_mncc_bearer_cap {
  94         int             transfer;       /* Information Transfer Capability */
  95         int             mode;           /* Transfer Mode */
  96         int             coding;         /* Coding Standard */
  97         int             radio;          /* Radio Channel Requirement */
  98         int             speech_ctm;     /* CTM text telephony indication */
  99         int             speech_ver[8];  /* Speech version indication */
 100 };
 101
 102 struct gsm_mncc_number {
 103         int             type;
 104         int             plan;
 105         int             present;
 106         int             screen;
 107         char            number[33];
 108 };
 109
 110 struct gsm_mncc_cause {
 111         int             location;
 112         int             coding;
 113         int             rec;
 114         int             rec_val;
 115         int             value;
 116         int             diag_len;
 117         char            diag[32];
 118 };
 119
 120 struct gsm_mncc_useruser {
 121         int             proto;
 122         char            info[GSM_MAX_USERUSER + 1]; /* + termination char */
 123 };
 124
 125 struct gsm_mncc_progress {
 126         int             coding;
 127         int             location;
 128         int             descr;
 129 };
 130
 131 struct gsm_mncc_facility {
 132         int             len;
 133         char            info[GSM_MAX_FACILITY];
 134 };
 135
 136 struct gsm_mncc_ssversion {
 137         int             len;
 138         char            info[GSM_MAX_SSVERSION];
 139 };
 140
 141 struct gsm_mncc_cccap {
 142         int             dtmf;
 143         int             pcp;
 144 };
 145
 146 enum {
 147         GSM_MNCC_BCAP_SPEECH    = 0,
 148         GSM_MNCC_BCAP_UNR_DIG   = 1,
 149         GSM_MNCC_BCAP_AUDIO     = 2,
 150         GSM_MNCC_BCAP_FAX_G3    = 3,
 151         GSM_MNCC_BCAP_OTHER_ITC = 5,
 152         GSM_MNCC_BCAP_RESERVED  = 7,
 153 };
 154
 155 struct gsm_mncc {
 156         /* context based information */
 157         uint32_t        msg_type;
 158         uint32_t        callref;
 159
 160         /* which fields are present */
 161         uint32_t        fields;
 162
 163         /* data derived informations (MNCC_F_ based) */
 164         struct gsm_mncc_bearer_cap      bearer_cap;
 165         struct gsm_mncc_number          called;
 166         struct gsm_mncc_number          calling;
 167         struct gsm_mncc_number          redirecting;
 168         struct gsm_mncc_number          connected;
 169         struct gsm_mncc_cause           cause;
 170         struct gsm_mncc_progress        progress;
 171         struct gsm_mncc_useruser        useruser;
 172         struct gsm_mncc_facility        facility;
 173         struct gsm_mncc_cccap           cccap;
 174         struct gsm_mncc_ssversion       ssversion;
 175         struct  {
 176                 int             sup;
 177                 int             inv;
 178         } clir;
 179         int             signal;
 180
 181         /* data derived information, not MNCC_F based */
 182         int             keypad;
 183         int             more;
 184         int             notify; /* 0..127 */
 185         int             emergency;
 186         char            imsi[16];
 187
 188         unsigned char   lchan_type;
 189         unsigned char   lchan_mode;
 190 };
 191
 192 struct gsm_data_frame {
 193         uint32_t        msg_type;
 194         uint32_t        callref;
 195         unsigned char   data[0];
 196 };
 197
 198 struct gsm_mncc_rtp {
 199         u_int32_t       msg_type;
 200         u_int32_t       callref;
 201         u_int32_t       ip;
 202         u_int16_t       port;
 203         u_int32_t       payload_type;
 204         u_int32_t       payload_msg_type;
 205 };
 206
 207
 208 #define MNCC_SOCK_VERSION       2
 209 struct gsm_mncc_hello {
 210         uint32_t        msg_type;
 211         uint32_t        version;
 212
 213         /* send the sizes of the structs */
 214         uint32_t        mncc_size;
 215         uint32_t        data_frame_size;
 216
 217         /* send some offsets */
 218         uint32_t        called_offset;
 219         uint32_t        signal_offset;
 220         uint32_t        emergency_offset;
 221         uint32_t        lchan_type_offset;
 222 };