1 | В эксперименте задействованы три мультиплексора MC-04:
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2 |
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3 | 192.168.0.21 (плата VE, прошивка 48) - Цкнтральный узел связи
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4 | 192.168.5.11 (плата VE, прошивка 48) - Красноперекопский РЭС
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5 | 192.168.0.31 (плата VE, прошивка 59) - п/с Кубанская
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6 |
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7 | SIP-телефон 7544@192.168.0.29 зарегистрирован на плате VE-01 (192.168.0.21).
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8 | С этого телефона совершаем вызов на номер 5999.
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9 | На плате VE-01 (192.168.0.21) нет SIP-пользователей и SIP-окончаний, способных обслужить этот вызов.
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10 | В таблице маршрутизации платы VE-01 (192.168.0.21) имеется маршрут: ^sip:5999.* --> sip:5999@192.168.5.11
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11 |
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12 | На плате VE-01 (192.168.5.11) также нет SIP-пользователей и SIP-окочаний, способных обслужить вызов 5999, но есть маршрут в таблице маршрутизации: ^sip:5999.* --> sip:5999@192.168.0.31
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13 |
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14 | На плате VE-01 (192.168.0.31) есть SIP-окончание FXS 5999@192.168.0.31
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15 |
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16 | Вызов успешно проходит с SIP телефона 7544@192.168.0.29 на FXS окончание 5999@192.168.0.31 через "транзитный" узел 192.168.5.11
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17 |
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18 | После того, как зазвонил телефон скоммутированный на окончание FXS, вызов прекращается по инициативе вызывающего абонента 7544@192.168.0.29 до того, как вызываемый 5999@192.168.0.31 поднимет трубку.
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19 |
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20 |
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21 |
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22 | Дамп получен в ОС "транзитной" платы VE-01 (192.168.5.11):
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23 |
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24 | root@comcerto:~# tcpdump -v -s1514 port 5060 and host 192.168.5.11
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25 | tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 1514 bytes
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26 | 12:14:02.576451 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 1167)
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27 | 192.168.0.21.5060 > 192.168.5.11.5060: SIP, length: 1139
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28 | INVITE sip:5999@192.168.5.11 SIP/2.0
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29 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport
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30 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
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31 | Max-Forwards: 69
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32 | Record-Route: <sip:192.168.0.21:5060;transport=udp;lr>
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33 | Contact: <sip:7544@192.168.0.29:52539;ob>
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34 | To: <sip:5999@192.168.0.21>
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35 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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36 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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37 | CSeq: 18733 INVITE
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38 | Session-Expires: 1800
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39 | Min-SE: 90
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40 | Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
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41 | Content-Type: application/sdp
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42 | Date: Tue, 14 Apr 2020 12:04:28 GMT
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43 | Supported: replaces, 100rel, timer, norefersub
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44 | User-Agent: MicroSIP/3.19.28
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45 | Content-Length: 339
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46 |
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47 | v=0
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48 | o=- 3795866148 3795866148 IN IP4 192.168.0.29
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49 | s=pjmedia
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50 | b=AS:84
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51 | t=0 0
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52 | a=X-nat:0
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53 | m=audio 4006 RTP/AVP 8 0 101
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54 | c=IN IP4 192.168.0.29
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55 | b=TIAS:64000
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56 | a=rtcp:4007 IN IP4 192.168.0.29
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57 | a=sendrecv
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58 | a=rtpmap:8 PCMA/8000
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59 | a=rtpmap:0 PCMU/8000
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60 | a=rtpmap:101 telephone-event/8000
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61 | a=fmtp:101 0-16
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62 | a=ssrc:429867887 cname:46b541505a3f21a1
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63 |
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64 | 12:14:02.605113 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1313)
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65 | 192.168.5.11.5060 > 192.168.0.31.5060: SIP, length: 1285
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66 | INVITE sip:5999@192.168.0.31 SIP/2.0
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67 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---31ec2a014b76bc04;rport
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68 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
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69 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
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70 | Max-Forwards: 68
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71 | Record-Route: <sip:192.168.5.11:5060;transport=udp;lr>
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72 | Record-Route: <sip:192.168.0.21:5060;transport=udp;lr>
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73 | Contact: <sip:7544@192.168.0.29:52539;ob>
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74 | To: <sip:5999@192.168.0.21>
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75 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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76 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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77 | CSeq: 18733 INVITE
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78 | Session-Expires: 1800
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79 | Min-SE: 90
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80 | Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS
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81 | Content-Type: application/sdp
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82 | Date: Tue, 14 Apr 2020 12:04:28 GMT
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83 | Supported: replaces, 100rel, timer, norefersub
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84 | User-Agent: MicroSIP/3.19.28
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85 | Content-Length: 339
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86 |
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87 | v=0
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88 | o=- 3795866148 3795866148 IN IP4 192.168.0.29
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89 | s=pjmedia
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90 | b=AS:84
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91 | t=0 0
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92 | a=X-nat:0
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93 | m=audio 4006 RTP/AVP 8 0 101
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94 | c=IN IP4 192.168.0.29
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95 | b=TIAS:64000
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96 | a=rtcp:4007 IN IP4 192.168.0.29
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97 | a=sendrecv
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98 | a=rtpmap:8 PCMA/8000
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99 | a=rtpmap:0 PCMU/8000
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100 | a=rtpmap:101 telephone-event/8000
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101 | a=fmtp:101 0-16
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102 | a=ssrc:429867887 cname:46b541505a3f21a1
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103 |
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104 | 12:14:02.692198 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 417)
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105 | 192.168.5.11.5060 > 192.168.0.21.5060: SIP, length: 389
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106 | SIP/2.0 100 Trying
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107 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
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108 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
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109 | To: <sip:5999@192.168.0.21>
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110 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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111 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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112 | CSeq: 18733 INVITE
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113 | Content-Length: 0
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114 |
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115 |
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116 | 12:14:02.693377 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 982)
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117 | 192.168.0.31.5060 > 192.168.5.11.5060: SIP, length: 954
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118 | SIP/2.0 180 Ringing
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119 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---31ec2a014b76bc04;rport=5060
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120 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
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121 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
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122 | Record-Route: <sip:192.168.0.31:5060;transport=udp;lr>
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123 | Record-Route: <sip:192.168.5.11:5060;transport=udp;lr>
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124 | Record-Route: <sip:192.168.0.21:5060;transport=udp;lr>
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125 | Require: 100rel
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126 | Contact: <sip:5999@127.0.0.1:6060>
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127 | To: <sip:5999@192.168.0.21>;tag=160621339
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128 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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129 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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130 | CSeq: 18733 INVITE
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131 | Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK
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132 | Server: repro 1.10.2
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133 | Supported: replaces, timer, 100rel
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134 | User-Agent: eXosip/4.1.0
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135 | RSeq: 100
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136 | Remote-Party-ID: <sip:5999@192.168.0.31>;screen=yes;party=called
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137 | Content-Length: 0
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138 |
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139 |
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140 | 12:14:02.707040 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 892)
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141 | 192.168.5.11.5060 > 192.168.0.21.5060: SIP, length: 864
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142 | SIP/2.0 180 Ringing
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143 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
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144 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
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145 | Record-Route: <sip:192.168.0.31:5060;transport=udp;lr>
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146 | Record-Route: <sip:192.168.5.11:5060;transport=udp;lr>
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147 | Record-Route: <sip:192.168.0.21:5060;transport=udp;lr>
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148 | Require: 100rel
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149 | Contact: <sip:5999@127.0.0.1:6060>
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150 | To: <sip:5999@192.168.0.21>;tag=160621339
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151 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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152 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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153 | CSeq: 18733 INVITE
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154 | Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK
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155 | Server: repro 1.10.2
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156 | Supported: replaces, timer, 100rel
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157 | User-Agent: eXosip/4.1.0
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158 | RSeq: 100
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159 | Remote-Party-ID: <sip:5999@192.168.0.31>;screen=yes;party=called
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160 | Content-Length: 0
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161 |
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162 |
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163 | 12:14:02.739330 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 584)
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164 | 192.168.0.21.5060 > 192.168.5.11.5060: SIP, length: 556
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165 | PRACK sip:5999@127.0.0.1:6060 SIP/2.0
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166 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---24285a0b1fd43439;rport
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167 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPjea32ab41fb1844ee833eccad51897719
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168 | Max-Forwards: 69
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169 | Route: <sip:192.168.5.11:5060;transport=udp;lr>
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170 | Route: <sip:192.168.0.31:5060;transport=udp;lr>
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171 | To: <sip:5999@192.168.0.21>;tag=160621339
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172 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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173 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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174 | CSeq: 18734 PRACK
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175 | RAck: 100 18733 INVITE
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176 | Content-Length: 0
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177 |
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178 |
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179 | 12:14:02.755304 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 625)
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180 | 192.168.5.11.5060 > 192.168.0.31.5060: SIP, length: 597
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181 | PRACK sip:5999@127.0.0.1:6060 SIP/2.0
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182 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---b28c70224bc39240;rport
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183 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---24285a0b1fd43439;rport=5060
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184 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPjea32ab41fb1844ee833eccad51897719
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185 | Max-Forwards: 68
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186 | Route: <sip:192.168.0.31:5060;transport=udp;lr>
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187 | To: <sip:5999@192.168.0.21>;tag=160621339
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188 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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189 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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190 | CSeq: 18734 PRACK
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191 | RAck: 100 18733 INVITE
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192 | Content-Length: 0
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193 |
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194 |
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195 | 12:14:02.793335 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 802)
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196 | 192.168.0.31.5060 > 192.168.5.11.5060: SIP, length: 774
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197 | SIP/2.0 200 OK
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198 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---b28c70224bc39240;rport=5060
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199 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---24285a0b1fd43439;rport=5060
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200 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPjea32ab41fb1844ee833eccad51897719
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201 | Contact: <sip:5999@127.0.0.1:6060>
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202 | To: <sip:5999@192.168.0.21>;tag=160621339
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203 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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204 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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205 | CSeq: 18734 PRACK
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206 | Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK
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207 | Server: repro 1.10.2
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208 | Supported: replaces, timer, 100rel
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209 | User-Agent: eXosip/4.1.0
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210 | Remote-Party-ID: <sip:5999@192.168.0.31>;screen=yes;party=called
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211 | X-Endpoint-Type: FXS
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212 | Content-Length: 0
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213 |
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214 |
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215 | 12:14:02.802892 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 712)
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216 | 192.168.5.11.5060 > 192.168.0.21.5060: SIP, length: 684
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217 | SIP/2.0 200 OK
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218 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---24285a0b1fd43439;rport=5060
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219 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPjea32ab41fb1844ee833eccad51897719
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220 | Contact: <sip:5999@127.0.0.1:6060>
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221 | To: <sip:5999@192.168.0.21>;tag=160621339
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222 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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223 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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224 | CSeq: 18734 PRACK
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225 | Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK
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226 | Server: repro 1.10.2
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227 | Supported: replaces, timer, 100rel
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228 | User-Agent: eXosip/4.1.0
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229 | Remote-Party-ID: <sip:5999@192.168.0.31>;screen=yes;party=called
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230 | X-Endpoint-Type: FXS
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231 | Content-Length: 0
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232 |
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233 |
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234 | 12:14:12.587246 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 350)
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235 | 192.168.0.21.5060 > 192.168.5.11.5060: SIP, length: 322
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236 | CANCEL sip:5999@192.168.5.11 SIP/2.0
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237 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport
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238 | Max-Forwards: 70
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239 | To: <sip:5999@192.168.0.21>
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240 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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241 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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242 | CSeq: 18733 CANCEL
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243 | Content-Length: 0
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244 |
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245 |
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246 | 12:14:12.600380 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 350)
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247 | 192.168.5.11.5060 > 192.168.0.21.5060: SIP, length: 322
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248 | SIP/2.0 200 OK
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249 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
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250 | To: <sip:5999@192.168.0.21>;tag=40b6af1a
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251 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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252 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
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253 | CSeq: 18733 CANCEL
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254 | Server: repro 1.10.2
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255 | Content-Length: 0
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256 |
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257 |
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258 | 12:14:12.600677 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 350)
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259 | 192.168.5.11.5060 > 192.168.0.31.5060: SIP, length: 322
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260 | CANCEL sip:5999@192.168.0.31 SIP/2.0
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261 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---31ec2a014b76bc04;rport
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262 | Max-Forwards: 70
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263 | To: <sip:5999@192.168.0.21>
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264 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
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265 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
|
---|
266 | CSeq: 18733 CANCEL
|
---|
267 | Content-Length: 0
|
---|
268 |
|
---|
269 |
|
---|
270 | 12:14:12.615267 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 350)
|
---|
271 | 192.168.0.31.5060 > 192.168.5.11.5060: SIP, length: 322
|
---|
272 | SIP/2.0 200 OK
|
---|
273 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---31ec2a014b76bc04;rport=5060
|
---|
274 | To: <sip:5999@192.168.0.21>;tag=9b31d57d
|
---|
275 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
|
---|
276 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
|
---|
277 | CSeq: 18733 CANCEL
|
---|
278 | Server: repro 1.10.2
|
---|
279 | Content-Length: 0
|
---|
280 |
|
---|
281 |
|
---|
282 | 12:14:12.645227 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 580)
|
---|
283 | 192.168.0.31.5060 > 192.168.5.11.5060: SIP, length: 552
|
---|
284 | SIP/2.0 487 Request Cancelled
|
---|
285 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---31ec2a014b76bc04;rport=5060
|
---|
286 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
|
---|
287 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
|
---|
288 | To: <sip:5999@192.168.0.21>;tag=160621339
|
---|
289 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
|
---|
290 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
|
---|
291 | CSeq: 18733 INVITE
|
---|
292 | Server: repro 1.10.2
|
---|
293 | User-Agent: eXosip/4.1.0
|
---|
294 | Content-Length: 0
|
---|
295 |
|
---|
296 |
|
---|
297 | 12:14:12.653336 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 358)
|
---|
298 | 192.168.5.11.5060 > 192.168.0.31.5060: SIP, length: 330
|
---|
299 | ACK sip:5999@192.168.0.31 SIP/2.0
|
---|
300 | Via: SIP/2.0/UDP 192.168.5.11:5060;branch=z9hG4bK-524287-1---31ec2a014b76bc04;rport
|
---|
301 | Max-Forwards: 70
|
---|
302 | To: <sip:5999@192.168.0.21>;tag=160621339
|
---|
303 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
|
---|
304 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
|
---|
305 | CSeq: 18733 ACK
|
---|
306 | Content-Length: 0
|
---|
307 |
|
---|
308 |
|
---|
309 | 12:14:12.661191 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 490)
|
---|
310 | 192.168.5.11.5060 > 192.168.0.21.5060: SIP, length: 462
|
---|
311 | SIP/2.0 487 Request Cancelled
|
---|
312 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport=5060
|
---|
313 | Via: SIP/2.0/UDP 192.168.0.29:52539;rport=52539;branch=z9hG4bKPj58e72aae909943dd89512b6d07716f05
|
---|
314 | To: <sip:5999@192.168.0.21>;tag=160621339
|
---|
315 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
|
---|
316 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
|
---|
317 | CSeq: 18733 INVITE
|
---|
318 | Server: repro 1.10.2
|
---|
319 | User-Agent: eXosip/4.1.0
|
---|
320 | Content-Length: 0
|
---|
321 |
|
---|
322 |
|
---|
323 | 12:14:12.673229 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto UDP (17), length 358)
|
---|
324 | 192.168.0.21.5060 > 192.168.5.11.5060: SIP, length: 330
|
---|
325 | ACK sip:5999@192.168.5.11 SIP/2.0
|
---|
326 | Via: SIP/2.0/UDP 192.168.0.21:5060;branch=z9hG4bK-524287-1---36304c30dd36c96d;rport
|
---|
327 | Max-Forwards: 70
|
---|
328 | To: <sip:5999@192.168.0.21>;tag=160621339
|
---|
329 | From: <sip:7544@192.168.0.21>;tag=da062888adaa4d90a17b8bda028a90af
|
---|
330 | Call-ID: f5e8177adbcb4b7c9311ff57127df721
|
---|
331 | CSeq: 18733 ACK
|
---|
332 | Content-Length: 0
|
---|
333 |
|
---|
334 |
|
---|
335 |
|
---|
336 | 17 packets captured
|
---|
337 | 17 packets received by filter
|
---|
338 | 0 packets dropped by kernel
|
---|
339 | root@comcerto:/tmp#
|
---|