{"id":623,"date":"2016-05-28T18:42:13","date_gmt":"2016-05-28T10:42:13","guid":{"rendered":"https:\/\/www.myvoipapp.com\/cnblog\/?p=623"},"modified":"2019-02-14T09:15:46","modified_gmt":"2019-02-14T01:15:46","slug":"invalid-cseq-number","status":"publish","type":"post","link":"https:\/\/www.myvoipapp.com\/cnblog\/2016\/05\/28\/invalid-cseq-number\/","title":{"rendered":"Invalid CSeq number"},"content":{"rendered":"<p>\u6700\u8fd1\u4e00\u4f4d\u5ba2\u6237\u62a5\u544a\u4e86\u4e00\u4e2a\u95ee\u9898\uff1a\u4ed6\u7684\u5916\u7ebf\u59cb\u7ec8\u65e0\u6cd5\u6ce8\u518c\u5230VoIP\u8fd0\u8425\u5546\u7684\u7f51\u7edc\u3002\u8fd9\u8ba9\u4eba\u500d\u611f\u5947\u602a\uff0c\u6bd5\u7adf\u201c\u5916\u7ebf\u201d\u662fMSS\u975e\u5e38\u57fa\u7840\u7684\u529f\u80fd\uff0c\u5df2\u7ecf\u548c\u4f17\u591aVoIP\u8fd0\u8425\u5546\u5bf9\u63a5\u8fc7\uff0c\u6211\u4eec\u4ece\u6ca1\u60f3\u5230\u8fc7\u201c\u5916\u7ebf\u6ce8\u518c\u201d\u5c45\u7136\u4f1a\u6709\u95ee\u9898\u3002<\/p>\n<p>\u6293\u53d6\u4e86\u76f8\u5e94\u7684log\uff0c\u53d1\u73b0\u8be5\u8fd0\u8425\u5546\u8fd4\u56de\u4e86\u201c400 Bad Request\u201d\u6d88\u606f\uff0c\u5176\u4e2d\u643a\u5e26\u4e86\u4ee5\u4e0b\u539f\u56e0\u4fe1\u606f\uff1a<\/p>\n<pre>P-Registrar-Error: Invalid CSeq number<\/pre>\n<p>\u6211\u4eec\u68c0\u67e5\u4e86REGISTER\u6d88\u606f\uff0cMSS\u5728\u5904\u7406CSeq\u65f6\u5e76\u6ca1\u6709\u4efb\u4f55\u95ee\u9898\u3002\u4ee5\u4e0b\u662fMSS\u6d88\u606f\u7684\u6458\u8981\uff1a<\/p>\n<pre><span style=\"color: #0000ff;\">==&gt;<\/span>\r\nREGISTER sip:sip.xxx.com SIP\/2.0\r\n...\r\nCall-ID: 18BF67854AE23D6D2CD772AFMSS002A0001.\r\nCSeq: 13 REGISTER\r\n...\r\n\r\n<span style=\"color: #0000ff;\">&lt;==<\/span>\r\nSIP\/2.0 401 Unauthorized\r\n...\r\nCall-ID: 18BF67854AE23D6D2CD772AFMSS002A0001.\r\nCSeq: 13 REGISTER\r\n...\r\n\r\n<span style=\"color: #0000ff;\">==&gt;<\/span>\r\nREGISTER sip:sip.xxx.com SIP\/2.0\r\n...\r\nCall-ID: 18BF67854AE23D6D2CD772AFMSS002A0001.\r\nCSeq: 14 REGISTER\r\n...\r\n\r\n<span style=\"color: #0000ff;\">&lt;==<\/span>\r\nSIP\/2.0 400 Bad Request\r\n...\r\nCall-ID: 18BF67854AE23D6D2CD772AFMSS002A0001.\r\nCSeq: 14 REGISTER\r\n<span style=\"color: #ff0000;\">P-Registrar-Error: Invalid CSeq number<\/span>\r\n...<\/pre>\n<p>\u6211\u4eec\u518d\u6b21\u68c0\u67e5\u4e86RFC3261\u89c4\u8303\u4e2d\u7684\u5b9a\u4e49\uff1a<\/p>\n<pre>A UA MUST increment the CSeq value by one for each REGISTER request with the same Call-ID.<\/pre>\n<p>\u663e\u7136\u6211\u4eec\u662f\u5b8c\u5168\u6b63\u786e\u7684\uff0c\u4f46\u662f\u4e3a\u4ec0\u4e48\u5bf9\u7aef\u4f1a\u62d2\u7edd\u4e86\u6ce8\u518c\u5462\uff1f<\/p>\n<p>\u6700\u7ec8\u6211\u4eec\u5c1d\u8bd5\u4fee\u6539\u4e86Call-ID\u53c2\u6570\u540e\u6ce8\u518c\u6210\u529f\u3002\u8fd9\u8ba9\u6211\u4eec\u66f4\u611f\u56f0\u60d1\uff01RFC3261\u89c4\u8303\u5f88\u6e05\u695a\u5730\u8bf4\u660e\u4e86\u6ce8\u518c\u6d41\u7a0b\u4e2dCall-ID\u53c2\u6570\u7684\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n<pre>All registrations from a UAC SHOULD use the same Call-ID header field value for registrations sent to a particular registrar.<\/pre>\n<p>\u6211\u4eec\u8ba4\u4e3a\u8fd9\u4e2aVoIP\u8fd0\u8425\u5546\u7684\u7cfb\u7edf\u662f\u4e0d\u4e13\u4e1a\u7684\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u8be5\u8fd0\u8425\u5546\u5f88\u96be\u53bb\u5347\u7ea7\u4ed6\u4eec\u7684\u7cfb\u7edf\uff0c\u56e0\u6b64\u6211\u4eec\u5728MSS\u4e2d\u589e\u52a0\u4e86\u4e00\u4e2a\u5f00\u5173\u53d8\u91cf\u6765\u63a7\u5236\u8fd9\u79cd\u60c5\u51b5\uff1a<\/p>\n<pre>[sip]\r\ngVarSipRegSameDialog=0<\/pre>\n<p>\u5982\u679c\u60a8\u5728\u4e0e\u67d0\u4e9bVoIP\u8fd0\u8425\u5546\u7cfb\u7edf\u5bf9\u63a5\u65f6\u9047\u5230\u7c7b\u4f3c\u7684\u95ee\u9898\uff0c\u8bf7\u5728\u201c<a href=\"https:\/\/www.myvoipapp.com\/cn\/docs\/mss_services\/manual\/index.html#appendix2\" target=\"_blank\">mss_var_param.ini<\/a>\u201d \u6587\u4ef6\u4e2d\u589e\u52a0\u4e0a\u8ff0\u53c2\u6570\u5e76\u91cd\u542fMSS\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6700\u8fd1\u4e00\u4f4d\u5ba2\u6237\u62a5\u544a\u4e86\u4e00\u4e2a\u95ee\u9898\uff1a\u4ed6\u7684\u5916\u7ebf\u59cb\u7ec8\u65e0\u6cd5\u6ce8\u518c\u5230VoIP\u8fd0\u8425\u5546\u7684\u7f51\u7edc\u3002\u8fd9\u8ba9\u4eba\u500d\u611f\u5947\u602a\uff0c\u6bd5\u7adf\u201c\u5916\u7ebf\u201d\u662fMSS\u975e\u5e38\u57fa\u7840\u7684\u529f\u80fd\uff0c\u5df2\u7ecf\u548c\u4f17\u591aVoIP\u8fd0\u8425\u5546\u5bf9\u63a5\u8fc7\uff0c\u6211\u4eec&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.myvoipapp.com\/cnblog\/2016\/05\/28\/invalid-cseq-number\/\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,106,86],"tags":[282,283,20,148,284,179],"class_list":["post-623","post","type-post","status-publish","format-standard","hentry","category-howto","category-minisipserver","category-tech_docs","tag-call-id","tag-cseq","tag-sip","tag-148","tag-284","tag-179"],"_links":{"self":[{"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/posts\/623","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/comments?post=623"}],"version-history":[{"count":5,"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/posts\/623\/revisions"}],"predecessor-version":[{"id":628,"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/posts\/623\/revisions\/628"}],"wp:attachment":[{"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/media?parent=623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/categories?post=623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.myvoipapp.com\/cnblog\/wp-json\/wp\/v2\/tags?post=623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}