FreeCalypso > hg > themwi-system-sw

annotate sip-in/mgw_ops.c @ 151:0ecbc3dc8f93

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sip-in: split mgw_resp.c from mgw_ops.c
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Oct 2022 15:58:42 -0800
parents e499e8db8b82
children
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1 /*
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2 * In this module we implement all transactions from themwi-sip-in
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3 * toward themwi-mgw.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/socket.h>
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8 #include <sys/time.h>
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9 #include <netinet/in.h>
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10 #include <stdio.h>
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11 #include <stdint.h>
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12 #include <stdlib.h>
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13 #include <string.h>
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14 #include <strings.h>
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15 #include <syslog.h>
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16 #include "../include/tmgw_ctrl.h"
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17 #include "../include/tmgw_const.h"
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18 #include "call.h"
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19
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20 extern struct call *call_list;
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21
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22 struct call *
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23 find_call_with_mgw_xact(xact_id)
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24 uint32_t xact_id;
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25 {
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26 struct call *call;
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27
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28 for (call = call_list; call; call = call->next)
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29 if (call->mgw_xact && call->mgw_xact_id == xact_id)
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30 return call;
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31 return 0;
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32 }
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33
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34 uint32_t
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35 get_new_tmgw_xact_id()
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36 {
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37 static uint32_t next_xact_id;
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38
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39 for (;;) {
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40 next_xact_id++;
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41 if (!find_call_with_mgw_xact(next_xact_id))
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42 return next_xact_id;
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43 }
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44 }
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45
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46 void
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47 tmgw_send_crcx(call)
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48 struct call *call;
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49 {
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50 struct tmgw_ctrl_req req;
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51
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52 bzero(&req, sizeof req);
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53 req.opcode = TMGW_CTRL_OP_CRCX;
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54 req.transact_ref = get_new_tmgw_xact_id();
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55 req.ep_id = TMGW_EP_TYPE_GATEWAY;
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56 req.setup_mask = TMGW_CTRL_MASK_PSTN_CONN;
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57 bcopy(&call->pstn_rtp_remote, &req.pstn_addr,
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58 sizeof(struct sockaddr_in));
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59 req.pstn_payload_type =
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60 call->use_pcma ? PSTN_CODEC_PCMA : PSTN_CODEC_PCMU;
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61 send_req_to_tmgw(&req);
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62 call->mgw_xact = TMGW_CTRL_OP_CRCX;
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63 call->mgw_xact_id = req.transact_ref;
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64 }
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65
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66 void
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67 tmgw_send_mdcx_connect(call)
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68 struct call *call;
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69 {
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70 struct tmgw_ctrl_req req;
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71
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72 bzero(&req, sizeof req);
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73 req.opcode = TMGW_CTRL_OP_MDCX;
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74 req.transact_ref = get_new_tmgw_xact_id();
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75 req.ep_id = call->mgw_ep_id;
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76 req.setup_mask = TMGW_CTRL_MASK_GSM_CONN | TMGW_CTRL_MASK_FWD_MODE;
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77 bcopy(&call->gsm_rtp_osmo, &req.gsm_addr,
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78 sizeof(struct sockaddr_storage));
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79 req.gsm_payload_type = call->gsm_payload_type;
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80 req.gsm_payload_msg_type = call->gsm_payload_msg_type;
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81 req.fwd_mode = TMGW_FWD_MODE_SENDRECV;
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82 send_req_to_tmgw(&req);
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83 call->mgw_state = MGW_STATE_CONNECTING;
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84 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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85 call->mgw_xact_id = req.transact_ref;
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86 }
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87
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88 void
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89 tmgw_send_mdcx_hold(call)
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90 struct call *call;
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91 {
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92 struct tmgw_ctrl_req req;
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93
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94 bzero(&req, sizeof req);
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95 req.opcode = TMGW_CTRL_OP_MDCX;
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96 req.transact_ref = get_new_tmgw_xact_id();
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97 req.ep_id = call->mgw_ep_id;
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98 req.setup_mask = TMGW_CTRL_MASK_FWD_MODE;
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99 req.fwd_mode = TMGW_FWD_MODE_INACTIVE;
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100 send_req_to_tmgw(&req);
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101 call->mgw_state = MGW_STATE_HOLD_OP;
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102 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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103 call->mgw_xact_id = req.transact_ref;
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104 }
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105
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106 void
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107 tmgw_send_mdcx_retrieve(call)
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108 struct call *call;
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109 {
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110 struct tmgw_ctrl_req req;
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111
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112 bzero(&req, sizeof req);
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113 req.opcode = TMGW_CTRL_OP_MDCX;
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114 req.transact_ref = get_new_tmgw_xact_id();
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115 req.ep_id = call->mgw_ep_id;
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116 req.setup_mask = TMGW_CTRL_MASK_FWD_MODE;
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117 req.fwd_mode = TMGW_FWD_MODE_SENDRECV;
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118 send_req_to_tmgw(&req);
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119 call->mgw_state = MGW_STATE_RETRIEVE_OP;
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120 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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121 call->mgw_xact_id = req.transact_ref;
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122 }
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123
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124 void
60
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125 tmgw_send_dlcx(call)
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126 struct call *call;
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127 {
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128 struct tmgw_ctrl_req req;
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129
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130 bzero(&req, sizeof req);
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131 req.opcode = TMGW_CTRL_OP_DLCX;
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132 req.transact_ref = get_new_tmgw_xact_id();
61
e12036337412 sip-in/mgw_ops.c: fix double semicolon
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133 req.ep_id = call->mgw_ep_id;
60
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134 send_req_to_tmgw(&req);
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135 call->mgw_state = MGW_STATE_DELETING;
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136 call->mgw_xact = TMGW_CTRL_OP_DLCX;
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137 call->mgw_xact_id = req.transact_ref;
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138 }
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139
128
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diff changeset
140 void
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141 tmgw_send_dtmf_start(call)
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142 struct call *call;
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parents: 110
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143 {
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144 struct tmgw_ctrl_req req;
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parents: 110
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145
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parents: 110
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146 bzero(&req, sizeof req);
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parents: 110
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147 req.opcode = TMGW_CTRL_OP_DTMF_START;
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parents: 110
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148 req.transact_ref = get_new_tmgw_xact_id();
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parents: 110
diff changeset
149 req.ep_id = call->mgw_ep_id;
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parents: 110
diff changeset
150 req.fwd_mode = call->dtmf_digit;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
151 send_req_to_tmgw(&req);
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parents: 110
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152 call->mgw_state = MGW_STATE_DTMF_OP;
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parents: 110
diff changeset
153 call->mgw_xact = TMGW_CTRL_OP_DTMF_START;
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parents: 110
diff changeset
154 call->mgw_xact_id = req.transact_ref;
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parents: 110
diff changeset
155 }
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parents: 110
diff changeset
156
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diff changeset
157 void
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158 tmgw_send_dtmf_stop(call)
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parents: 110
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159 struct call *call;
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parents: 110
diff changeset
160 {
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parents: 110
diff changeset
161 struct tmgw_ctrl_req req;
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parents: 110
diff changeset
162
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parents: 110
diff changeset
163 bzero(&req, sizeof req);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
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164 req.opcode = TMGW_CTRL_OP_DTMF_STOP;
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parents: 110
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165 req.transact_ref = get_new_tmgw_xact_id();
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parents: 110
diff changeset
166 req.ep_id = call->mgw_ep_id;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
167 send_req_to_tmgw(&req);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
168 call->mgw_state = MGW_STATE_DTMF_OP;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
169 call->mgw_xact = TMGW_CTRL_OP_DTMF_STOP;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
170 call->mgw_xact_id = req.transact_ref;
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parents: 110
diff changeset
171 }