{"id":882,"date":"2025-11-13T20:01:58","date_gmt":"2025-11-13T11:01:58","guid":{"rendered":"https:\/\/team-okada.com\/?p=882"},"modified":"2026-01-11T20:48:15","modified_gmt":"2026-01-11T11:48:15","slug":"sip%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%a8ip%e9%9b%bb%e8%a9%b1%e3%81%ae%e3%83%87%e3%83%bc%e3%82%bf%e9%80%9a%e4%bf%a1%e3%81%ae%e7%a2%ba%e8%aa%8d","status":"publish","type":"post","link":"https:\/\/team-okada.com\/?p=882","title":{"rendered":"SIP\u30b5\u30fc\u30d0\u30fc\u3068IP\u96fb\u8a71\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u78ba\u8a8d"},"content":{"rendered":"\n

Wireshark\u3092\u4f7f\u7528\u3057\u3066SIP\u30b5\u30fc\u30d0\u30fc\u3068IP\u96fb\u8a71\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u3084\u308a\u53d6\u308a\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n

\u3000Wireshark\u3067\u306f\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3084IP\u30a2\u30c9\u30ec\u30b9\u306b\u5bfe\u3059\u308b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u53ef\u80fd\u3067\u3059\u3002SIP\u30b5\u30fc\u30d0\u30fc\u3068IP\u96fb\u8a71\u306e\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u3084\u308a\u53d6\u308a\u306f\u3001UDP\u30dd\u30fc\u30c85060\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002Wireshark\u3067UDP\u30dd\u30fc\u30c85060\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u3068\u30c7\u30fc\u30bf\u901a\u4fe1\u306e\u3084\u308a\u53d6\u308a\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

Wireshark\u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3078\u30a2\u30af\u30bb\u30b9\uff1ahttps:\/\/www.wireshark.org\/download.html<\/p>\n\n\n\n

\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u3001\u4eca\u56de\u3001\u7701\u7565\u3057\u307e\u3059\u3002Wireshark\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u30c7\u30fc\u30bf\u30b0\u30e9\u30d5\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u300cWi-Fi 2\u300d\u3092\u9078\u629e\u3059\u308b\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u3059\u3079\u3066\u306e\u30dd\u30fc\u30c8\u306e\u901a\u4fe1\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8d64\u67a0\u90e8\u306b\u300cUDP.port == 5060 \u300d\u5165\u529b\u3059\u308b\u3068UDP\u30dd\u30fc\u30c85060\u3060\u3051\u306e\u901a\u4fe1\u30c7\u30fc\u30bf\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u306e\u300c3cxPhone\u300d\u3092\u8d77\u52d5\u3055\u305b\u308b\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u3000\u300c3cxPhone\u300d\u8d77\u52d5\u6642\u306b\u300c3cxPhone\u300d\u3068SIP\u30b5\u30fc\u30d0\u9593\u3067UDP\u30dd\u30fc\u30c85060\u3067REGISTER(SIP\u30b5\u30fc\u30d0\u30fc\u306bIP\u30a2\u30c9\u30ec\u30b9\u60c5\u5831\u767b\u9332)\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u304c\u884c\u308f\u308c\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3068\u304a\u308aWireshark\u3067\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u300c\u5206\u6790\u300d\u2192\u300c\u8ffd\u8de1\u300d\u2192\u300cSIP\u901a\u8a71\u300d\u3092\u9078\u629e\u3059\u308b\u3068\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u5185\u5bb9\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u8d64\u6587\u5b57\u306f\u3001 \u30bd\u30d5\u30c8\u30d5\u30a9\u30f3PC(Wireshark)\u304b\u3089SIP\u30b5\u30fc\u30d0\u30fc\u3078\u9001\u4fe1\u3057\u3066\u30c7\u30fc\u30bf\u3067\u3001\u9752\u6587\u5b57\u306f\u3001SIP\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3PC(Wireshark)\u306b\u9001\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u3010\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u21d2SIP\u30b5\u30fc\u30d0\u30fc\u3011\nREGISTER sip:192.168.0.201:5060 SIP\/2.0
Via: SIP\/2.0\/UDP 192.168.0.34:58642;branch=z9hG4bK-d8754z-950d0643bc74940c-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:21@192.168.0.34:58642;rinstance=18dc6d25de0821e0>
To: \"21\"<sip:21@192.168.0.201:5060>
From: \"21\"<sip:21@192.168.0.201:5060>;tag=b83c6f66
Call-ID: MzA1Mzk2M2E2MjJmNmU0NWIyZDU1NDdkOGNiMmY3YjQ.
CSeq: 1 REGISTER
Expires: 120
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO, MESSAGE
Supported: replaces
User-Agent: 3CXPhone 6.0.26523.0
Content-Length: 0

<\/font>\n\u3010SIP\u30b5\u30fc\u30d0\u30fc\u21d2\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u3011
SIP\/2.0 401 Unauthorized
Via: SIP\/2.0\/UDP 192.168.0.34:58642;rport=58642;received=192.168.0.34;branch=z9hG4bK-d8754z-950d0643bc74940c-1---d8754z-
Call-ID: MzA1Mzk2M2E2MjJmNmU0NWIyZDU1NDdkOGNiMmY3YjQ.
From: \"21\" <sip:21@192.168.0.201>;tag=b83c6f66
To: \"21\" <sip:21@192.168.0.201>;tag=z9hG4bK-d8754z-950d0643bc74940c-1---d8754z-
CSeq: 1 REGISTER
<\/font>WWW-Authenticate<\/b>: Digest realm=\"asterisk\",nonce=\"1762091262\/3c1d05961787a3e69a3d94e9a468e21c\",opaque=\"6bc8f6126c69c69b\",algorithm=MD5,qop=\"auth\"
Server: Asterisk PBX 23.0.0
Content-Length:  0<\/font>

\u3010\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u21d2SIP\u30b5\u30fc\u30d0\u30fc\u3011
REGISTER sip:192.168.0.201:5060 SIP\/2.0
Via: SIP\/2.0\/UDP 192.168.0.34:58642;branch=z9hG4bK-d8754z-4b2f4849ad2a3b72-1---d8754z-;rport
Max-Forwards: 70
Contact: <sip:21@192.168.0.34:58642;rinstance=18dc6d25de0821e0>
To: \"21\"<sip:21@192.168.0.201:5060>
From: \"21\"<sip:21@192.168.0.201:5060>;tag=b83c6f66
Call-ID: MzA1Mzk2M2E2MjJmNmU0NWIyZDU1NDdkOGNiMmY3YjQ.
CSeq: 2 REGISTER
Expires: 120
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REGISTER, SUBSCRIBE, NOTIFY, REFER, INFO, MESSAGE
Supported: replaces
User-Agent: 3CXPhone 6.0.26523.0
Authorization: Digest username=\"21\",realm=\"asterisk\",nonce=\"1762091262\/3c1d05961787a3e69a3d94e9a468e21c\",uri=\"sip:192.168.0.201:5060\",response=\"fb86444e4cce469e38b5e9baa4975604\",cnonce=\"df1cc71527716d5c398b1a18d113982e\",nc=00000001,qop=auth,algorithm=MD5,opaque=\"6bc8f6126c69c69b\"
Content-Length: 0<\/font>

\u3010SIP\u30b5\u30fc\u30d0\u30fc\u21d2\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u3011
SIP\/2.0 200 OK
Via: SIP\/2.0\/UDP 192.168.0.34:58642;rport=58642;received=192.168.0.34;branch=z9hG4bK-d8754z-4b2f4849ad2a3b72-1---d8754z-
Call-ID: MzA1Mzk2M2E2MjJmNmU0NWIyZDU1NDdkOGNiMmY3YjQ.
From: \"21\" <sip:21@192.168.0.201>;tag=b83c6f66
To: \"21\" <sip:21@192.168.0.201>;tag=z9hG4bK-d8754z-4b2f4849ad2a3b72-1---d8754z-
CSeq: 2 REGISTER
Date: Sun, 02 Nov 2025 13:47:43 GMT
Contact: <sip:21@192.168.0.34:58642;rinstance=18dc6d25de0821e0>;expires=119
Expires: 120
Server: Asterisk PBX 23.0.0
Content-Length:  0
<\/font><\/pre>\n\n\n\n
REGISTER(\u60c5\u5831\u767b\u9332)\u306e\u30b7\u30fc\u30b1\u30f3\u30b9<\/p>\n\n\n\n
    \u3000\u3000\u5185\u7dda\uff12\uff11                     SIP\u30b5\u30fc\u30d0\u30fc\n         |                              |\n         |(1) REGISTER                  |\n         |----------------------------->|\n         |(2) 401 Unauthorized          |\n         |<-----------------------------|\n         |(3) REGISTER PA               |\n         |----------------------------->|\n         |(4) 200 OK                    |\n         |<-----------------------------|\n         |                              |\n<\/pre>\n\n\n\n
<\/p>\n\n\n\n
Digest\u8a8d\u8a3c\u306b\u3064\u3044\u3066<\/strong><\/p>\n\n\n\n
SIP\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u4ee5\u4e0b\u306e\u8fd4\u7b54\u306e\u5185\u5bb9\u3092\u57fa\u306b\u3057\u3066\u3001
WWW-Authenticate: Digest realm=\u201dasterisk\u201d,nonce=\u201d1762091262\/3c1d05961787a3e69a3d94e9a468e
21c\u201d,opaque=\u201d6bc8f6126c69c69b\u201d,algorithm=MD5,qop=\u201dauth\u201d
\u3000\u3000\u3000\u2193
SIP\u30b5\u30fc\u30d0\u30fc\u306b\u8a8d\u8a3c\u3059\u308b\u305f\u3081\u306b\u4ee5\u4e0b\u306e\u5024\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
Authorization: Digest username=”21″,realm=”asterisk”,nonce=”1762091262\/3c1d05961787a3e69a3d94
e9a468e21c”,uri=”sip:192.168.0.201:5060″,response=”fb86444e4cce469e38b5e9baa4975604″,cnonce
=”df1cc71527716d5c398b1a18d113982e”,nc=00000001,qop=auth,algorithm=MD5,opaque=”6bc8f6126
c69c69b”<\/p>\n\n\n\n
\u8a8d\u8a3c\u306b\u5fc5\u8981\u306a\u9805\u76ee<\/strong><\/p>\n\n\n\n
username=”21″ #\u5185\u7dda\u756a\u53f7<\/font>
password=”pass” #\u30d1\u30b9\u30ef\u30fc\u30c9<\/font>
realm=”asterisk” #SIP\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5165\u624b\u3057\u305f\u5024\u3002<\/font>
nonce=”1762091262\/3c1d05961787a3e69a3d94e9a468e21c” #SIP\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5165\u624b\u3057\u305f\u5024\u3002<\/font>
URI=”sip:192.168.0.201:5060″ #SIP\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u5165\u624b\u3057\u305f\u300csip:\u300d\u3067\u59cb\u307e\u308b\u5024\u3002<\/font>
opaque=”6bc8f6126c69c69b” #32\u6587\u5b57\u4ee5\u4e0b\u306e\u4efb\u610f\u306e\u6587\u5b57\u5217\u3002<\/font>
cnonce=”df1cc71527716d5c398b1a18d113982e” #\u30af\u30e9\u30a4\u30a2\u30f3\u30c8nonce\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u751f\u6210\u3059\u308b\u30e9\u30f3\u30c0\u30e0\u306a\u6587\u5b57\u5217\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u3002<\/font>
qop=”auth” #(Quality of Protection)\u4fdd\u8b77\u54c1\u8cea\u3002”auth” \u307e\u305f\u306f “auth-int”\u3002<\/font>
nc=00000001 #(Nonce Count)\u3002Nonce\u304c\u4f7f\u7528\u3055\u308c\u305f\u56de\u6570\u3002<\/font>
method=REGISTER #SIP\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30e1\u30bd\u30c3\u30c9\u3002<\/font><\/p>\n\n\n\n
Digest\u8a8d\u8a3c\u516c\u5f0f<\/strong><\/p>\n\n\n\n
HA1=MD5(username:realm:password)
         =MD5(21:asterisk:pass)
                =f6f751f1d046605ea6654537fda271c4<\/font><\/p>\n\n\n\n
HA2=MD5(method:URI)
         =MD5(REGISTER:sip:192.168.0.201:5060)
         =f3d19c9b88b7d341148872a28962c49e<\/font><\/p>\n\n\n\n
response=MD5(HA1:nonce:nc:cnonce:qop:HA2)
                      =MD5(f6f751f1d046605ea6654537fda271c4<\/font>:1762091262\/3c1d05961787a3e69a3d94e9a468
                          e21c:00000001:df1cc71527716d5c398b1a18d113982e:auth:f3d19c9b88b7d341148872a28962
                          c49e<\/font>)
                      =fb86444e4cce469e38b5e9baa4975604<\/font><\/p>\n\n\n\n
Authorization: Digest username=”21″,realm=”asterisk”,nonce=”1762091262\/3c1d05961787a3e69a3d94
e9a468e21c”,uri=”sip:192.168.0.201:5060″,response=”fb86444e4cce469e38b5e9baa4975604<\/font>“,cnonce
=”df1cc71527716d5c398b1a18d113982e”,nc=00000001,qop=auth,algorithm=MD5,opaque=”6bc8f6126
c69c69b”<\/p>\n\n\n\n
MD5\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u306f\u3001\u4efb\u610f\u306e\u9577\u3055\u306e\u30c7\u30fc\u30bf\u3092128\u30d3\u30c3\u30c8\uff0832\u6841\u306e\u82f1\u6570\u5b57\uff09\u306e\u56fa\u5b9a\u9577\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u306b\u5909\u63db\u3059\u308b\u6697\u53f7\u5b66\u7684\u30cf\u30c3\u30b7\u30e5\u95a2\u6570\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u30b5\u30a4\u30c8\u306a\u3069\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
MD5\u30cf\u30c3\u30b7\u30e5\u5909\u63db\u30b5\u30a4\u30c8\u3078\u30a2\u30af\u30bb\u30b9\uff1ahttps:\/\/dev.digitra.net\/tools\/md5encode.php<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u3000\u4eca\u56de\u3001REGISTER(\u60c5\u5831\u767b\u9332)\u3092\u7d39\u4ecb\u81f4\u3057\u307e\u3057\u305f\u304c\u3001\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u3067\u7740\u4fe1\u3001\u767a\u4fe1\u3001\u4fdd\u7559\u3001\u8ee2\u9001\u306a\u3069\u3092\u884c\u3044\u3001\u30c7\u30fc\u30bf\u30fc\u306e\u3084\u308a\u53d6\u308a\u3092Wireshark\u3067\u78ba\u8a8d\u3092\u884c\u3044\u3001SIP\u30b5\u30fc\u30d0\u30fc\u3068\u30bd\u30d5\u30c8\u30d5\u30a9\u30f3\u306e\u3084\u308a\u53d6\u308a\u3068\u540c\u3058\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308c\u3070\u3001PC\u3067IP\u96fb\u8a71\u306e\u767a\u4fe1\u30fb\u7740\u4fe1\u304c\u51fa\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u53d7\u767a\u6ce8\u696d\u52d9\u306e\u5834\u5408\u3001\u7740\u4fe1\u96fb\u8a71\u756a\u53f7\u3092PC\u306b\u53d6\u308a\u53d6\u308a\u8fbc\u307f\u3068WEB\u30b5\u30fc\u30d0\u30fc\u3068\u30c7\u30fc\u30bf\u30fc\u30d9\u30fc\u30b9\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u7740\u4fe1\u6642\u306b\u76f8\u624b\u306e\u7740\u4fe1\u756a\u53f7\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u60c5\u5831\u62bd\u51fa\u3057\u3066\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u3001\u9069\u5207\u306a\u5bfe\u5fdc\u304c\u53ef\u80fd\u3067\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u914d\u9001\u30b9\u30bf\u30c3\u30d5\u306bLINE\u3084\u30e1\u30fc\u30eb\u3067\u914d\u9001\u6307\u793a\u304c\u9001\u308b\u96fb\u8a71\u53d7\u767a\u6ce8\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u6210\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
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