{"id":100037,"date":"2026-09-03T17:57:51","date_gmt":"2026-09-03T09:57:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100037.html"},"modified":"2026-09-03T17:57:51","modified_gmt":"2026-09-03T09:57:51","slug":"pjsip%e4%b8%ad%e7%9a%84%e5%8d%95%e9%80%9a%e9%97%ae%e9%a2%98%e4%bb%a5%e5%8f%8astun%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100037.html","title":{"rendered":"PJSIP\u4e2d\u7684\u5355\u901a\u95ee\u9898\u4ee5\u53caSTUN\u670d\u52a1\u5668\u539f\u7406"},"content":{"rendered":"<h4>1. PJSIP\u4e2d\u7684\u5355\u901a\u95ee\u9898<\/h4>\n<p>\u5355\u901a\u95ee\u9898 \u662f\u6307\u5728VoIP\u901a\u8bdd\u4e2d&#xff0c;\u4e00\u65b9\u80fd\u542c\u5230\u53e6\u4e00\u65b9\u7684\u58f0\u97f3&#xff0c;\u4f46\u53e6\u4e00\u65b9\u5374\u542c\u4e0d\u5230\u8fd9\u4e00\u65b9\u7684\u58f0\u97f3\u3002\u4ece\u7f51\u7edc\u5c42\u9762\u770b&#xff0c;\u5c31\u662f\u5a92\u4f53\u6d41&#xff08;RTP\/RTCP\u5305&#xff09;\u53ea\u80fd\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u6210\u529f\u4f20\u8f93&#xff0c;\u800c\u5728\u53cd\u65b9\u5411\u4e0a\u5219\u88ab\u4e22\u5f03\u6216\u65e0\u6cd5\u5230\u8fbe\u3002<\/p>\n<p>\u4ea7\u751f\u5355\u901a\u95ee\u9898\u7684\u6839\u672c\u539f\u56e0&#xff1a;NAT&#xff08;\u7f51\u7edc\u5730\u5740\u8f6c\u6362&#xff09;<\/p>\n<p>\u7edd\u5927\u591a\u6570\u5355\u901a\u95ee\u9898\u90fd\u53d1\u751f\u5728\u81f3\u5c11\u4e00\u65b9\u5904\u4e8eNAT&#xff08;\u5982\u5bb6\u5ead\u8def\u7531\u5668\u3001\u516c\u53f8\u9632\u706b\u5899&#xff09;\u4e4b\u540e\u7684\u573a\u666f\u3002\u5176\u6838\u5fc3\u539f\u7406\u5982\u4e0b&#xff1a;<\/p>\n<li>\u79c1\u7f51\u5730\u5740\u4e0e\u516c\u7f51\u5730\u5740&#xff1a;\u5904\u4e8eNAT\u540e\u7684\u8bbe\u5907&#xff08;\u5982\u4f60\u7684\u7535\u8111\/IP\u7535\u8bdd&#xff09;\u4f7f\u7528\u7684\u662f\u79c1\u6709IP\u5730\u5740&#xff08;\u5982 192.168.1.100&#xff09;&#xff0c;\u8fd9\u4e2a\u5730\u5740\u5728\u516c\u7f51\u4e0a\u662f\u65e0\u6cd5\u88ab\u76f4\u63a5\u8def\u7531\u7684\u3002<\/li>\n<li>SIP\u4e0eRTP\u8def\u5f84\u5206\u79bb&#xff1a;SIP\u4fe1\u4ee4&#xff08;\u5982INVITE\u8bf7\u6c42&#xff09;\u548cRTP\u5a92\u4f53\u6d41\u901a\u5e38\u901a\u8fc7\u4e0d\u540c\u7684\u901a\u9053\u4f20\u8f93\u3002<\/li>\n<li>\u95ee\u9898\u7684\u53d1\u751f\u8fc7\u7a0b&#xff1a;\n<ul>\n<li>\u7ec8\u7aefA&#xff08;\u5728NAT\u540e&#xff09;\u548c\u7ec8\u7aefB&#xff08;\u53ef\u80fd\u5728\u516c\u7f51\u6216\u53e6\u4e00\u4e2aNAT\u540e&#xff09;\u901a\u8fc7PJSIP\u5efa\u7acb\u901a\u8bdd\u3002<\/li>\n<li>\u5728SIP\u4fe1\u4ee4\u7684SDP\u4f53\u4e2d&#xff0c;\u7ec8\u7aefA\u4f1a\u544a\u8bc9\u7ec8\u7aefB&#xff1a;\u201c\u8bf7\u628a\u97f3\u9891\u6d41\u53d1\u9001\u5230\u6211\u7684\u5730\u5740 192.168.1.100:5004\u201d\u3002<\/li>\n<li>\u7ec8\u7aefB\u6536\u5230\u8fd9\u4e2a\u8bf7\u6c42\u540e&#xff0c;\u4f1a\u8bd5\u56fe\u5c06RTP\u5305\u53d1\u9001\u5230\u8fd9\u4e2a\u79c1\u6709\u5730\u5740 192.168.1.100:5004\u3002\u7136\u800c&#xff0c;\u8fd9\u4e2a\u5730\u5740\u5728\u516c\u7f51\u4e0a\u662f\u65e0\u6548\u7684&#xff0c;\u7ec8\u7aefB\u6839\u672c\u627e\u4e0d\u5230\u8fd9\u6761\u8def&#xff0c;\u56e0\u6b64\u6570\u636e\u5305\u88ab\u4e22\u5f03\u3002<\/li>\n<li>\u53cd\u8fc7\u6765&#xff0c;\u5f53\u7ec8\u7aefA\u5411\u7ec8\u7aefB\u53d1\u9001\u97f3\u9891\u6d41\u65f6&#xff0c;\u5b83\u53d1\u51fa\u7684\u6570\u636e\u5305\u4f1a\u5148\u7ecf\u8fc7\u81ea\u5df1\u7684NAT\u8bbe\u5907\u3002NAT\u8bbe\u5907\u4f1a\u521b\u5efa\u4e00\u4e2a \u201c\u6d1e\u201d\u2014\u2014\u4e00\u4e2a\u4e34\u65f6\u7684\u6620\u5c04\u5173\u7cfb&#xff0c;\u6bd4\u5982\u5c06 192.168.1.100:5004 \u6620\u5c04\u5230\u516c\u7f51IP 1.2.3.4:65000\u3002\u7136\u540e\u6570\u636e\u5305\u4ee5\u6e90\u5730\u5740 1.2.3.4:65000 \u53d1\u9001\u7ed9\u7ec8\u7aefB\u3002<\/li>\n<li>\u7ec8\u7aefB\u6536\u5230\u6765\u81ea 1.2.3.4:65000 \u7684\u6570\u636e\u5305&#xff0c;\u5b83\u53ef\u4ee5\u6b63\u5e38\u56de\u590d&#xff0c;\u56e0\u4e3a\u8fd9\u662f\u4e00\u4e2a\u660e\u786e\u7684\u516c\u7f51\u5730\u5740\u3002<\/li>\n<\/ul>\n<\/li>\n<p>\u7ed3\u679c\u5c31\u662f&#xff1a;A\u80fd\u6210\u529f\u53d1\u9001\u6570\u636e\u7ed9B&#xff0c;\u6240\u4ee5B\u80fd\u542c\u5230A\u7684\u58f0\u97f3&#xff1b;\u4f46B\u65e0\u6cd5\u6210\u529f\u53d1\u9001\u6570\u636e\u7ed9A&#xff08;\u56e0\u4e3a\u5730\u5740\u662f\u79c1\u6709\u7684&#xff09;&#xff0c;\u6240\u4ee5A\u542c\u4e0d\u5230B\u7684\u58f0\u97f3\u3002\u8fd9\u5c31\u662f\u5178\u578b\u7684\u5355\u901a\u3002<\/p>\n<h4>2. STUN\u670d\u52a1\u5668\u5982\u4f55\u89e3\u51b3\u5355\u901a\u95ee\u9898<\/h4>\n<p>STUN&#xff08;Session Traversal Utilities for NAT&#xff09;\u534f\u8bae\u7684\u76ee\u7684\u5c31\u662f\u5e2e\u52a9\u5185\u7f51\u7ec8\u7aef\u53d1\u73b0\u81ea\u5df1\u8eab\u5904NAT\u4e4b\u540e&#xff0c;\u5e76\u53d1\u73b0\u81ea\u5df1\u88abNAT\u6620\u5c04\u540e\u7684\u516c\u7f51\u5730\u5740\u548c\u7aef\u53e3\u3002<\/p>\n<p>STUN\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u539f\u7406\u975e\u5e38\u7b80\u5355&#xff1a;<\/p>\n<li>\u67e5\u8be2&#xff1a;\u4f4d\u4e8eNAT\u540e\u7684PJSIP\u5ba2\u6237\u7aef\u5411\u4e00\u4e2a\u90e8\u7f72\u5728\u516c\u7f51\u4e0a\u7684STUN\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42&#xff1a;\u201c\u4f60\u597d&#xff0c;\u8bf7\u544a\u8bc9\u6211&#xff0c;\u5728\u4f60\u770b\u6765&#xff0c;\u6211\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u662f\u4ec0\u4e48&#xff1f;\u201d<\/li>\n<li>\u54cd\u5e94&#xff1a;STUN\u670d\u52a1\u5668\u6536\u5230\u8fd9\u4e2a\u8bf7\u6c42\u5305\u3002\u5b83\u67e5\u770b\u5305\u7684\u6e90IP\u5730\u5740\u548c\u6e90\u7aef\u53e3&#xff08;\u8fd9\u4e2a\u5730\u5740\u5df2\u7ecf\u662f\u5ba2\u6237\u7aef\u7ecf\u8fc7NAT\u8f6c\u6362\u540e\u7684\u516c\u7f51\u5730\u5740\u4e86&#xff09;&#xff0c;\u7136\u540e\u5c06\u8fd9\u4e2a\u5730\u5740\u4fe1\u606f\u5c01\u88c5\u5728\u4e00\u4e2a\u54cd\u5e94\u5305\u91cc&#xff0c;\u53d1\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u83b7\u77e5\u516c\u7f51\u5730\u5740&#xff1a;\u5ba2\u6237\u7aef\u6536\u5230\u54cd\u5e94\u540e&#xff0c;\u5c31\u660e\u767d\u4e86&#xff1a;\u201c\u539f\u6765\u5728\u516c\u7f51\u4e0a&#xff0c;\u522b\u4eba\u8981\u8054\u7cfb\u6211&#xff0c;\u9700\u8981\u5f80 1.2.3.4:65000 \u8fd9\u4e2a\u5730\u5740\u53d1\u9001\u6570\u636e\u3002\u201d<\/li>\n<p>\u5728PJSIP\u4e2d\u7684\u5e94\u7528&#xff1a;<\/p>\n<p>\u5f53PJSIP\u5ba2\u6237\u7aef\u901a\u8fc7STUN\u670d\u52a1\u5668\u83b7\u53d6\u5230\u81ea\u5df1\u7684\u516c\u7f51\u5730\u5740\u548c\u7aef\u53e3\u540e&#xff0c;\u5b83\u5c31\u4e0d\u4f1a\u518d\u5728SDP\u4e2d\u586b\u5199\u81ea\u5df1\u7684\u79c1\u6709\u5730\u5740&#xff08;192.168.1.100:5004&#xff09;&#xff0c;\u800c\u662f\u586b\u5199\u8fd9\u4e2a\u83b7\u53d6\u5230\u7684\u516c\u7f51\u5730\u5740&#xff08;1.2.3.4:65000&#xff09;\u3002<\/p>\n<p>\u8fd9\u6837&#xff0c;\u5f53\u7ec8\u7aefB\u6536\u5230SDP\u65f6&#xff0c;\u5b83\u5c31\u4f1a\u76f4\u63a5\u5411 1.2.3.4:65000 \u53d1\u9001RTP\u6d41\u3002\u8fd9\u4e2a\u5730\u5740\u662f\u7ec8\u7aefA\u7684NAT\u8bbe\u5907\u6240\u8ba4\u53ef\u7684\u201c\u5916\u90e8\u5165\u53e3\u201d&#xff0c;\u6570\u636e\u5305\u56e0\u6b64\u53ef\u4ee5\u987a\u5229\u901a\u8fc7NAT\u5230\u8fbe\u7ec8\u7aefA\u3002<\/p>\n<p>\u5173\u952e\u70b9&#xff1a; STUN\u672c\u8eab\u5e76\u4e0d\u8f6c\u53d1\u4efb\u4f55\u8bed\u97f3\u6570\u636e&#xff0c;\u5b83\u53ea\u662f\u4e00\u4e2a\u5de5\u5177&#xff0c;\u8ba9\u5ba2\u6237\u7aef\u201c\u81ea\u77e5\u201d&#xff0c;\u4ece\u800c\u5728\u4fe1\u4ee4\u4e2d\u63d0\u4f9b\u6b63\u786e\u7684\u3001\u53ef\u88ab\u5bf9\u7aef\u76f4\u63a5\u8fde\u63a5\u7684\u5730\u5740\u3002<\/p>\n<h4>3. STUN\u670d\u52a1\u5668\u7684\u5c40\u9650\u6027\u53caTURN\u7684\u5f15\u5165<\/h4>\n<p>STUN\u65b9\u6848\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u6709\u6548&#xff0c;\u4f46\u5bf9\u4e8e\u4e00\u79cd\u53eb\u505a \u201c\u5bf9\u79f0\u578bNAT\u201d \u7684\u7f51\u7edc\u73af\u5883\u4f1a\u5931\u6548\u3002<\/p>\n<ul>\n<li>\u5bf9\u79f0\u578bNAT\u7684\u7279\u70b9&#xff1a;\u5b83\u4f1a\u4e3a\u6bcf\u4e00\u4e2a\u4e0d\u540c\u7684\u5916\u90e8\u76ee\u7684\u5730&#xff08;\u76ee\u6807IP\u548c\u7aef\u53e3&#xff09;&#xff0c;\u5206\u914d\u4e00\u4e2a\u4e0d\u540c\u7684\u516c\u7f51\u7aef\u53e3\u6620\u5c04\u3002<\/li>\n<li>\u95ee\u9898\u6240\u5728&#xff1a;\u5ba2\u6237\u7aef\u5411STUN\u670d\u52a1\u5668&#xff08;IP_X&#xff09;\u67e5\u8be2\u65f6&#xff0c;NAT\u6253\u5f00\u4e86\u4e00\u4e2a\u6620\u5c04 192.168.1.100:5004 -&gt; (1.2.3.4:65000) -&gt; STUN_Server:3478\u3002<\/li>\n<li>\u4f46\u5f53\u5ba2\u6237\u7aef\u4e0e\u53e6\u4e00\u4e2aVoIP\u5bf9\u7aef&#xff08;IP_Y&#xff09;\u901a\u4fe1\u65f6&#xff0c;NAT\u4f1a\u521b\u5efa\u4e00\u4e2a\u5168\u65b0\u7684\u6620\u5c04 192.168.1.100:5004 -&gt; (1.2.3.4:65001) -&gt; VoIP_Peer_Y:1234\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u5728SDP\u4e2d\u544a\u8bc9\u5bf9\u7aef\u7684\u662f\u4eceSTUN\u670d\u52a1\u5668\u90a3\u91cc\u5f97\u5230\u7684\u5730\u5740 1.2.3.4:65000&#xff0c;\u800c\u5bf9\u7aef\u5b9e\u9645\u9700\u8981\u8fde\u63a5\u7684\u5374\u662f 1.2.3.4:65001&#xff0c;\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002<\/li>\n<\/ul>\n<p>\u89e3\u51b3\u65b9\u6848&#xff1a;TURN<\/p>\n<p>\u5f53STUN\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\u65f6&#xff08;\u4f8b\u5982\u68c0\u6d4b\u5230\u662f\u5bf9\u79f0\u578bNAT&#xff0c;\u6216\u76f4\u63a5\u8fde\u63a5\u5931\u8d25&#xff09;&#xff0c;\u5c31\u9700\u8981\u4f7f\u7528TURN\u534f\u8bae\u3002<\/p>\n<ul>\n<li>TURN\u539f\u7406&#xff1a;TURN\u670d\u52a1\u5668\u662f\u4e00\u4e2a\u516c\u7f51\u4e0a\u7684\u4e2d\u7ee7\u670d\u52a1\u5668\u3002\u5ba2\u6237\u7aef\u4e0eTURN\u670d\u52a1\u5668\u5efa\u7acb\u4e00\u4e2a\u8fde\u63a5&#xff0c;\u5e76\u544a\u8bc9\u5b83&#xff1a;\u201c\u8bf7\u4e3a\u6211\u5206\u914d\u4e00\u4e2a\u4e2d\u7ee7\u5730\u5740\u3002\u201d<\/li>\n<li>TURN\u670d\u52a1\u5668\u4f1a\u5206\u914d\u4e00\u4e2a\u516c\u7f51\u5730\u5740&#xff08;\u5982 5.6.7.8:10000&#xff09;\u7ed9\u8fd9\u4e2a\u5ba2\u6237\u7aef\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u5728SDP\u4e2d\u586b\u5199\u8fd9\u4e2aTURN\u670d\u52a1\u5668\u7684\u4e2d\u7ee7\u5730\u5740 5.6.7.8:10000\u3002<\/li>\n<li>\u5bf9\u7aef\u5c06\u6240\u6709\u5a92\u4f53\u6d41\u90fd\u53d1\u9001\u5230 5.6.7.8:10000&#xff0c;TURN\u670d\u52a1\u5668\u8d1f\u8d23\u5c06\u8fd9\u4e9b\u6570\u636e\u8f6c\u53d1\u7ed9\u5185\u7f51\u7684\u5ba2\u6237\u7aef\u3002\u53cd\u4e4b\u4ea6\u7136\u3002<\/li>\n<\/ul>\n<p>\u603b\u7ed3&#xff1a;<\/p>\n<table>\n<tr>\u6280\u672f\u89d2\u8272\u4f18\u70b9\u7f3a\u70b9<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">STUN<\/td>\n<td align=\"left\">\u5730\u5740\u53d1\u73b0\u5de5\u5177<\/td>\n<td align=\"left\">\u5ef6\u8fdf\u4f4e&#xff0c;P2P&#xff0c;\u670d\u52a1\u5668\u8d1f\u62c5\u5c0f<\/td>\n<td align=\"left\">\u65e0\u6cd5\u89e3\u51b3\u5bf9\u79f0\u578bNAT\u95ee\u9898<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">TURN<\/td>\n<td align=\"left\">\u6570\u636e\u4e2d\u7ee7<\/td>\n<td align=\"left\">\u517c\u5bb9\u6027\u6700\u9ad8&#xff0c;\u80fd\u7a7f\u900f\u6240\u6709NAT<\/td>\n<td align=\"left\">\u5ef6\u8fdf\u7a0d\u9ad8&#xff0c;\u670d\u52a1\u5668\u9700\u8981\u9ad8\u5e26\u5bbd&#xff0c;\u6709\u8f6c\u53d1\u6210\u672c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u73b0\u4ee3VoIP\u7cfb\u7edf\u4e2d&#xff08;\u5305\u62ecPJSIP\u7684\u5178\u578b\u914d\u7f6e&#xff09;&#xff0c;\u901a\u5e38\u4f1a\u91c7\u7528 ICE \u6846\u67b6&#xff0c;\u5b83\u7efc\u5408\u4f7f\u7528STUN\u548cTURN\u3002\u5ba2\u6237\u7aef\u4f1a\u540c\u65f6\u6536\u96c6\u591a\u4e2a\u5019\u9009\u5730\u5740&#xff08;\u5305\u62ec\u672c\u5730\u5730\u5740\u3001STUN\u53d1\u73b0\u7684\u5730\u5740\u3001TURN\u4e2d\u7ee7\u5730\u5740&#xff09;&#xff0c;\u5e76\u901a\u8fc7\u4fe1\u4ee4\u4ea4\u6362\u8fd9\u4e9b\u5019\u9009\u5730\u5740&#xff0c;\u7136\u540e\u901a\u8fc7\u8fde\u901a\u6027\u68c0\u67e5\u627e\u51fa\u6700\u4f18\u7684\u4f20\u8f93\u8def\u5f84\u3002STUN\/TURN\u670d\u52a1\u5668\u7ec4\u5408\u5e38\u88ab\u7edf\u79f0\u4e3a NAT\u7a7f\u900f\u670d\u52a1\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. 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