{"id":479016,"date":"2023-08-09T10:01:33","date_gmt":"2023-08-09T10:01:33","guid":{"rendered":""},"modified":"2023-09-05T11:18:01","modified_gmt":"2023-09-05T11:18:01","slug":"sip-proxy","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/sip-proxy\/","title":{"rendered":"SIP\u4ee3\u7406"},"content":{"rendered":"

SIP\uff08\u4f1a\u8bdd\u53d1\u8d77\u534f\u8bae\uff09\u4ee3\u7406\u662f\u73b0\u4ee3\u901a\u4fe1\u7f51\u7edc\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u6709\u52a9\u4e8e\u8bed\u97f3\u547c\u53eb\u3001\u89c6\u9891\u4f1a\u8bae\u548c\u5373\u65f6\u6d88\u606f\u7b49\u591a\u5a92\u4f53\u4f1a\u8bdd\u7684\u8bbe\u7f6e\u3001\u7ef4\u62a4\u548c\u7ec8\u6b62\u3002\u4f5c\u4e3a\u4e2d\u4ecb\uff0cSIP \u4ee3\u7406\u6709\u6548\u5730\u5904\u7406\u7528\u6237\u6216\u8bbe\u5907\u4e4b\u95f4\u7684 SIP \u6d88\u606f\u7684\u4fe1\u4ee4\u548c\u8def\u7531\uff0c\u786e\u4fdd\u8de8\u5404\u79cd\u5e73\u53f0\u7684\u987a\u7545\u53ef\u9760\u7684\u901a\u4fe1\u3002\u5728\u8fd9\u7bc7\u7efc\u5408\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e86 SIP \u4ee3\u7406\u7684\u5386\u53f2\u3001\u5de5\u4f5c\u539f\u7406\u3001\u529f\u80fd\u3001\u7c7b\u578b\u548c\u672a\u6765\u524d\u666f\u3002<\/p>\n

SIP Proxy \u7684\u8d77\u6e90\u548c\u9996\u6b21\u63d0\u53ca\u7684\u5386\u53f2<\/h2>\n

SIP \u4ee3\u7406\u7684\u8d77\u6e90\u53ef\u4ee5\u8ffd\u6eaf\u5230 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u521d\u671f\uff0c\u5f53\u65f6\u968f\u7740 IP \u8bed\u97f3 (VoIP) \u6280\u672f\u7684\u65e5\u76ca\u666e\u53ca\uff0c\u5efa\u7acb\u548c\u7ba1\u7406\u591a\u5a92\u4f53\u4f1a\u8bdd\u7684\u6807\u51c6\u5316\u534f\u8bae\u7684\u9700\u6c42\u53d8\u5f97\u660e\u663e\u3002 1996 \u5e74\uff0cMark Handley\u3001Henning Schulzrinne\u3001Eve Schooler \u548c Jonathan Rosenberg \u5f15\u5165\u4e86\u4f1a\u8bdd\u542f\u52a8\u534f\u8bae (SIP)\uff0c\u4f5c\u4e3a\u7528\u4e8e\u542f\u52a8\u3001\u4fee\u6539\u548c\u7ec8\u6b62\u6d89\u53ca\u89c6\u9891\u3001\u8bed\u97f3\u548c\u6d88\u606f\u4f20\u9012\u7684\u5b9e\u65f6\u4f1a\u8bdd\u7684\u4fe1\u4ee4\u534f\u8bae\u3002 SIP \u4e3a\u4f1a\u8bdd\u53d1\u8d77\u5e26\u6765\u4e86\u7b80\u5355\u6027\u548c\u591a\u529f\u80fd\u6027\uff0c\u4f7f\u5176\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\uff0c\u5305\u62ec\u7535\u8bdd\u3001\u89c6\u9891\u4f1a\u8bae\u548c\u72b6\u6001\u4fe1\u606f\u3002<\/p>\n

\u6709\u5173 SIP \u4ee3\u7406\u7684\u8be6\u7ec6\u4fe1\u606f\uff1a\u6269\u5c55\u4e3b\u9898 SIP \u4ee3\u7406<\/h2>\n

SIP \u4ee3\u7406\uff0c\u4e5f\u79f0\u4e3a SIP \u670d\u52a1\u5668\u6216 SIP \u6ce8\u518c\u5668\uff0c\u5728\u57fa\u4e8e SIP \u7684\u901a\u4fe1\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002\u5b83\u8fd0\u884c\u5728 OSI \u6a21\u578b\u7684\u5e94\u7528\u5c42\uff0c\u91cd\u70b9\u5904\u7406\u7528\u6237\u6216\u8bbe\u5907\u4e4b\u95f4\u7684 SIP \u4fe1\u4ee4\u6d88\u606f\u3002\u5176\u4e3b\u8981\u529f\u80fd\u5305\u62ec\u7528\u6237\u5b9a\u4f4d\u3001\u547c\u53eb\u8def\u7531\u3001\u534f\u8bae\u8f6c\u6362\u548c\u5b89\u5168\u3002\u5f53 SIP \u5ba2\u6237\u7aef\u5e0c\u671b\u53d1\u8d77\u4e0e\u53e6\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u4f1a\u8bdd\u65f6\uff0c\u5b83\u4f1a\u5411 SIP \u4ee3\u7406\u670d\u52a1\u5668\u53d1\u9001 SIP INVITE \u8bf7\u6c42\uff0c\u7136\u540e\u4ee3\u7406\u670d\u52a1\u5668\u5904\u7406\u8be5\u8bf7\u6c42\u5e76\u5c06\u5176\u8f6c\u53d1\u5230\u9002\u5f53\u7684\u76ee\u7684\u5730\u3002<\/p>\n

SIP\u4ee3\u7406\u7684\u5185\u90e8\u7ed3\u6784\uff1aSIP\u4ee3\u7406\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

SIP \u4ee3\u7406\u7684\u5185\u90e8\u7ed3\u6784\u53ef\u4ee5\u901a\u8fc7\u5206\u89e3\u5176\u57fa\u672c\u7ec4\u4ef6\u53ca\u5176\u4ea4\u4e92\u6765\u7406\u89e3\uff1a<\/p>\n

    \n
  1. \n

    SIP \u7528\u6237\u4ee3\u7406 (UA)<\/strong>\uff1aSIP UA\u662f\u4ee3\u8868SIP\u5ba2\u6237\u7aef\u6216\u7aef\u70b9\u7684\u903b\u8f91\u5b9e\u4f53\uff0c\u8d1f\u8d23\u751f\u6210\u548c\u63a5\u6536SIP\u6d88\u606f\u3002 SIP UA \u6709\u4e24\u79cd\u7c7b\u578b\uff1a\u7528\u6237\u4ee3\u7406\u5ba2\u6237\u7aef (UAC) \u548c\u7528\u6237\u4ee3\u7406\u670d\u52a1\u5668 (UAS)\u3002<\/p>\n<\/li>\n

  2. \n

    SIP\u4ee3\u7406\u670d\u52a1\u5668<\/strong>\uff1aSIP\u4ee3\u7406\u7684\u6838\u5fc3\uff0c\u8be5\u670d\u52a1\u5668\u63a5\u6536\u6765\u81eaUAC\u7684SIP\u8bf7\u6c42\uff0c\u5e76\u6839\u636e\u76ee\u6807\u5730\u5740\u5c06\u5176\u8f6c\u53d1\u5230\u9884\u671f\u7684UAS\u3002<\/p>\n<\/li>\n

  3. \n

    \u6ce8\u518c\u670d\u52a1\u5668<\/strong>\uff1a\u6ce8\u518c\u670d\u52a1\u5668\u8d1f\u8d23\u7528\u6237\u5b9a\u4f4d\u548c\u6ce8\u518c\u3002\u5f53\u7528\u6237\u6216\u8bbe\u5907\u60f3\u8981\u901a\u8fc7\u7279\u5b9a\u5730\u5740\uff08\u4f8b\u5982 sip\uff09\u8fdb\u884c\u8bbf\u95ee\u65f6\uff1auser@domain.com<\/a>\uff09\uff0c\u5b83\u5411\u6ce8\u518c\u670d\u52a1\u5668\u6ce8\u518c\u5176\u5f53\u524d\u4f4d\u7f6e\u3002<\/p>\n<\/li>\n

  4. \n

    \u91cd\u5b9a\u5411\u670d\u52a1\u5668<\/strong>\uff1a\u5982\u679c\u88ab\u53eb\u65b9\u79fb\u52a8\u5230\u65b0\u5730\u5740\uff0c\u91cd\u5b9a\u5411\u670d\u52a1\u5668\u4f1a\u901a\u77e5\u5ba2\u6237\u7aef\u88ab\u53eb\u65b9\u7684\u5f53\u524d\u4f4d\u7f6e\u3002<\/p>\n<\/li>\n

  5. \n

    \u80cc\u9760\u80cc\u7528\u6237\u4ee3\u7406 (B2BUA)<\/strong>\uff1aB2BUA \u5145\u5f53\u4e24\u4e2a SIP \u7aef\u70b9\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u4e2d\u7ee7\u548c\u63a7\u5236\u5b83\u4eec\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5b83\u5141\u8bb8\u547c\u53eb\u64cd\u7eb5\u3001\u547c\u53eb\u5206\u53c9\u4ee5\u53ca\u547c\u53eb\u5f55\u97f3\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002<\/p>\n<\/li>\n<\/ol>\n

    SIP Proxy\u7684\u5173\u952e\u7279\u6027\u5206\u6790<\/h2>\n

    SIP \u4ee3\u7406\u63d0\u4f9b\u4e86\u51e0\u4e2a\u6709\u52a9\u4e8e\u63d0\u9ad8\u5b9e\u65f6\u901a\u4fe1\u7684\u6548\u7387\u548c\u6548\u679c\u7684\u57fa\u672c\u529f\u80fd\uff1a<\/p>\n

      \n
    1. \n

      \u547c\u53eb\u8def\u7531<\/strong>\uff1aSIP\u4ee3\u7406\u6839\u636e\u7528\u6237\u4f4d\u7f6e\u667a\u80fd\u8def\u7531SIP\u6d88\u606f\uff0c\u786e\u4fdd\u4e0d\u540c\u7f51\u7edc\u548c\u57df\u4e4b\u95f4\u7684\u65e0\u7f1d\u8fde\u63a5\u3002<\/p>\n<\/li>\n

    2. \n

      \u7f51\u7edc\u62d3\u6251\u9690\u85cf<\/strong>\uff1a\u4f5c\u4e3a\u4e2d\u4ecb\uff0cSIP \u4ee3\u7406\u9690\u85cf\u4e86\u5e95\u5c42\u7f51\u7edc\u7684\u590d\u6742\u6027\uff0c\u63d0\u4f9b\u4e86\u989d\u5916\u7684\u5b89\u5168\u548c\u9690\u79c1\u5c42\u3002<\/p>\n<\/li>\n

    3. \n

      \u8d1f\u8f7d\u5747\u8861<\/strong>\uff1a\u9ad8\u6d41\u91cf\u7684 SIP \u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528 SIP \u4ee3\u7406\u5c06\u8d1f\u8f7d\u5206\u914d\u5230\u591a\u4e2a\u540e\u7aef\u670d\u52a1\u5668\uff0c\u9632\u6b62\u51fa\u73b0\u74f6\u9888\u5e76\u786e\u4fdd\u6027\u80fd\u5e73\u7a33\u3002<\/p>\n<\/li>\n

    4. \n

      \u534f\u8bae\u4e92\u64cd\u4f5c\u6027<\/strong>\uff1aSIP \u4ee3\u7406\u901a\u8fc7\u8f6c\u6362\u534f\u8bae\u548c\u5904\u7406\u4e0d\u540c\u7684\u4fe1\u4ee4\u65b9\u6cd5\u6765\u4fc3\u8fdb SIP \u548c\u975e SIP \u7f51\u7edc\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n<\/li>\n

    5. \n

      \u5b89\u5168\u548c\u8bbf\u95ee\u63a7\u5236<\/strong>\uff1aSIP \u4ee3\u7406\u670d\u52a1\u5668\u5b9e\u65bd\u5b89\u5168\u673a\u5236\uff0c\u4f8b\u5982\u8eab\u4efd\u9a8c\u8bc1\u3001\u52a0\u5bc6\u548c\u8bbf\u95ee\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u548c\u6f5c\u5728\u5a01\u80c1\u3002<\/p>\n<\/li>\n<\/ol>\n

      SIP \u4ee3\u7406\u7684\u7c7b\u578b<\/h2>\n

      SIP\u4ee3\u7406\u6839\u636e\u5176\u529f\u80fd\u548c\u90e8\u7f72\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd\u7c7b\u578b\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n
      \u7c7b\u578b<\/strong><\/th>\n\u63cf\u8ff0<\/strong><\/th>\n<\/tr>\n<\/thead>\n
      \u65e0\u72b6\u6001\u4ee3\u7406<\/strong><\/td>\n\u65e0\u72b6\u6001\u4ee3\u7406\u72ec\u7acb\u5904\u7406\u6bcf\u4e2a SIP \u8bf7\u6c42\uff0c\u65e0\u9700\u7ef4\u62a4\u4efb\u4f55\u72b6\u6001\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
      \u6709\u72b6\u6001\u4ee3\u7406<\/strong><\/td>\n\u6709\u72b6\u6001\u4ee3\u7406\u4fdd\u7559\u4f1a\u8bdd\u72b6\u6001\u4fe1\u606f\uff0c\u4f7f\u5b83\u4eec\u80fd\u591f\u505a\u51fa\u66f4\u667a\u80fd\u7684\u8def\u7531\u51b3\u7b56\u3002<\/td>\n<\/tr>\n
      \u5e94\u7528\u4ee3\u7406<\/strong><\/td>\n\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7406\u63d0\u4f9b\u9644\u52a0\u670d\u52a1\uff0c\u4f8b\u5982\u901a\u8bdd\u5f55\u97f3\u3001\u4f1a\u8bae\u548c\u5a92\u4f53\u5904\u7406\u3002<\/td>\n<\/tr>\n
      \u5f00\u653e\u4ee3\u7406<\/strong><\/td>\n\u5f00\u653e\u4ee3\u7406\u5141\u8bb8\u6765\u81ea\u4efb\u4f55\u6765\u6e90\u7684 SIP \u8bf7\u6c42\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bef\u7528\u548c\u5b89\u5168\u6f0f\u6d1e\u3002<\/td>\n<\/tr>\n
      \u53ef\u4fe1\u4ee3\u7406<\/strong><\/td>\n\u53ef\u4fe1\u4ee3\u7406\u914d\u7f6e\u4e3a\u4ec5\u63a5\u53d7\u6765\u81ea\u7279\u5b9a\u7684\u3001\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u6765\u6e90\u7684\u8bf7\u6c42\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      SIP Proxy \u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u95ee\u9898\u53ca\u89e3\u51b3\u65b9\u6cd5<\/h2>\n

      SIP\u4ee3\u7406\u5728\u5404\u79cd\u573a\u666f\u4e2d\u90fd\u6709\u5e94\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n

        \n
      1. \n

        \u7f51\u7edc\u7535\u8bdd<\/strong>\uff1aSIP \u4ee3\u7406\u5e7f\u6cdb\u7528\u4e8e IP \u8bed\u97f3 (VoIP) \u7535\u8bdd\u7cfb\u7edf\u4e2d\uff0c\u4ee5\u5efa\u7acb\u548c\u7ba1\u7406\u8bed\u97f3\u547c\u53eb\u3002<\/p>\n<\/li>\n

      2. \n

        \u7edf\u4e00\u901a\u4fe1<\/strong>\uff1aSIP \u4ee3\u7406\u53ef\u4ee5\u5c06\u8bed\u97f3\u3001\u89c6\u9891\u548c\u6d88\u606f\u7b49\u5404\u79cd\u901a\u4fe1\u670d\u52a1\u65e0\u7f1d\u96c6\u6210\u5230\u7edf\u4e00\u5e73\u53f0\u4e2d\u3002<\/p>\n<\/li>\n

      3. \n

        \u7f51\u7edcRTC<\/strong>\uff1aSIP \u4ee3\u7406\u901a\u8fc7\u5904\u7406\u6d4f\u89c8\u5668\u4e4b\u95f4\u7528\u4e8e\u89c6\u9891\u4f1a\u8bae\u548c\u5176\u4ed6\u5b9e\u65f6\u4ea4\u4e92\u7684\u4fe1\u4ee4\u8fc7\u7a0b\u6765\u4fc3\u8fdb Web \u5b9e\u65f6\u901a\u4fe1 (WebRTC)\u3002<\/p>\n<\/li>\n

      4. \n

        \u6269\u5c55\u548c\u5197\u4f59<\/strong>\uff1a\u4e00\u9879\u5e38\u89c1\u7684\u6311\u6218\u662f\u6269\u5c55 SIP \u4ee3\u7406\u670d\u52a1\u5668\u4ee5\u5904\u7406\u5927\u91cf\u7528\u6237\u5e76\u786e\u4fdd\u5197\u4f59\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\u3002\u8d1f\u8f7d\u5747\u8861\u5668\u548c\u670d\u52a1\u5668\u96c6\u7fa4\u6280\u672f\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<\/li>\n

      5. \n

        \u9632\u706b\u5899\u548cNAT\u7a7f\u8d8a<\/strong>\uff1aSIP \u901a\u4fe1\u5728\u7a7f\u8d8a\u9632\u706b\u5899\u548c\u7f51\u7edc\u5730\u5740\u8f6c\u6362 (NAT) \u8bbe\u5907\u65f6\u53ef\u80fd\u4f1a\u9047\u5230\u56f0\u96be\u3002\u4f7f\u7528 STUN\uff08NAT \u4f1a\u8bdd\u904d\u5386\u5b9e\u7528\u7a0b\u5e8f\uff09\u548c TURN\uff08NAT \u5468\u56f4\u4e2d\u7ee7\u904d\u5386\uff09\u670d\u52a1\u5668\u53ef\u4ee5\u5e2e\u52a9\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ol>\n

        \u4e3b\u8981\u7279\u70b9\u53ca\u5176\u4ed6\u4e0e\u540c\u7c7b\u4ea7\u54c1\u7684\u6bd4\u8f83<\/h2>\n

        \u4ee5\u4e0b\u662f SIP \u4ee3\u7406\u4e0e\u901a\u4fe1\u7f51\u7edc\u9886\u57df\u4e2d\u4f7f\u7528\u7684\u4e00\u4e9b\u7c7b\u4f3c\u672f\u8bed\u7684\u6bd4\u8f83\uff1a<\/p>\n\n\n\n\n\n\n\n\n
        \u5b66\u671f<\/strong><\/th>\n\u63cf\u8ff0<\/strong><\/th>\n<\/tr>\n<\/thead>\n
        SIP\u4ee3\u7406<\/strong><\/td>\n\u5904\u7406\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684 SIP \u4fe1\u4ee4\uff0c\u5b9e\u73b0\u4f1a\u8bdd\u8bbe\u7f6e\u548c\u547c\u53eb\u8def\u7531\u3002<\/td>\n<\/tr>\n
        SIP\u6ce8\u518c\u5546<\/strong><\/td>\n\u7ba1\u7406\u7528\u6237\u6ce8\u518c\u548c\u4f4d\u7f6e\u4fe1\u606f\uff0c\u65b9\u4fbf\u5c06\u547c\u53eb\u8def\u7531\u81f3\u63a5\u6536\u8005\u3002<\/td>\n<\/tr>\n
        SIP B2BUA<\/strong><\/td>\n\u5145\u5f53\u4e24\u4e2a SIP \u7aef\u70b9\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u5141\u8bb8\u9ad8\u7ea7\u547c\u53eb\u64cd\u4f5c\u3002<\/td>\n<\/tr>\n
        SIP\u4ee3\u7406\u670d\u52a1\u5668<\/strong><\/td>\n\u6307\u8d1f\u8d23\u5904\u7406SIP\u4fe1\u4ee4\u6d88\u606f\u7684\u57fa\u4e8e\u786c\u4ef6\u6216\u8f6f\u4ef6\u7684\u670d\u52a1\u5668\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u4e0e SIP \u4ee3\u7406\u76f8\u5173\u7684\u672a\u6765\u524d\u666f\u548c\u6280\u672f<\/h2>\n

        \u968f\u7740\u901a\u4fe1\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cSIP \u4ee3\u7406\u6709\u671b\u5728\u5851\u9020\u5b9e\u65f6\u591a\u5a92\u4f53\u901a\u4fe1\u7684\u672a\u6765\u65b9\u9762\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002\u4e00\u4e9b\u503c\u5f97\u5173\u6ce8\u7684\u5173\u952e\u53d1\u5c55\u548c\u6280\u672f\u5305\u62ec\uff1a<\/p>\n

          \n
        1. \n

          \u57fa\u4e8e WebSocket \u7684 SIP<\/strong>\uff1a\u5229\u7528 WebSocket \u6280\u672f\u627f\u8f7d SIP \u4fe1\u4ee4\uff0c\u53ef\u4ee5\u66f4\u8f7b\u677e\u5730\u4e0e Web \u5e94\u7528\u7a0b\u5e8f\u548c WebRTC \u670d\u52a1\u96c6\u6210\u3002<\/p>\n<\/li>\n

        2. \n

          \u589e\u5f3a\u7684\u5b89\u5168\u534f\u8bae<\/strong>\uff1a\u5148\u8fdb\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u4f8b\u5982 SIP \u7684\u4f20\u8f93\u5c42\u5b89\u5168 (TLS)\uff0c\u5c06\u589e\u5f3a\u901a\u4fe1\u7684\u5b8c\u6574\u6027\u548c\u673a\u5bc6\u6027\u3002<\/p>\n<\/li>\n

        3. \n

          IPv6 \u91c7\u7528<\/strong>\uff1a\u968f\u7740 IPv6 \u53d8\u5f97\u8d8a\u6765\u8d8a\u6d41\u884c\uff0cSIP \u4ee3\u7406\u670d\u52a1\u5668\u5fc5\u987b\u9002\u5e94\u5904\u7406 IPv6 \u6d41\u91cf\u5e76\u786e\u4fdd IPv4 \u548c IPv6 \u7f51\u7edc\u4e4b\u95f4\u7684\u65e0\u7f1d\u901a\u4fe1\u3002<\/p>\n<\/li>\n<\/ol>\n

          \u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e SIP \u4ee3\u7406\u5173\u8054<\/h2>\n

          \u4e00\u822c\u6765\u8bf4\uff0c\u4ee3\u7406\u670d\u52a1\u5668\u6709\u591a\u79cd\u7528\u4f8b\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u4e0e SIP \u4ee3\u7406\u5173\u8054\uff1a<\/p>\n

            \n
          1. \n

            \u53cd\u5411\u4ee3\u7406<\/strong>\uff1a\u53ef\u4ee5\u91c7\u7528\u53cd\u5411\u4ee3\u7406\u6765\u4fdd\u62a4 SIP \u4ee3\u7406\u670d\u52a1\u5668\u4e0d\u76f4\u63a5\u66b4\u9732\u4e8e\u4e92\u8054\u7f51\uff0c\u4ece\u800c\u589e\u5f3a\u5b89\u5168\u6027\u548c\u8d1f\u8f7d\u5206\u914d\u3002<\/p>\n<\/li>\n

          2. \n

            \u7f13\u5b58\u4ee3\u7406<\/strong>\uff1a\u901a\u8fc7\u5b9e\u73b0\u7f13\u5b58\u4ee3\u7406\uff0c\u53ef\u4ee5\u5c06\u9891\u7e41\u8bbf\u95ee\u7684SIP\u8d44\u6e90\u5b58\u50a8\u5728\u672c\u5730\uff0c\u51cf\u5c11\u540e\u7aefSIP\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u5e76\u63d0\u9ad8\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n<\/li>\n

          3. \n

            \u900f\u660e\u4ee3\u7406<\/strong>\uff1a\u900f\u660e\u4ee3\u7406\u53ef\u4ee5\u4e0e SIP \u4ee3\u7406\u670d\u52a1\u5668\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u65b9\u4fbf\u7f51\u7edc\u6d41\u91cf\u7ba1\u7406\u548c\u5185\u5bb9\u8fc7\u6ee4\u3002<\/p>\n<\/li>\n<\/ol>\n

            \u76f8\u5173\u94fe\u63a5<\/h2>\n

            \u6709\u5173 SIP \u4ee3\u7406\u3001SIP \u548c\u76f8\u5173\u901a\u4fe1\u6280\u672f\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u80fd\u4f1a\u53d1\u73b0\u4ee5\u4e0b\u94fe\u63a5\u5f88\u6709\u7528\uff1a<\/p>\n

              \n
            1. RFC 3261\uff1aSIP\uff1a\u4f1a\u8bdd\u53d1\u8d77\u534f\u8bae<\/a><\/li>\n
            2. WebRTC \u4e3b\u9875<\/a><\/li>\n
            3. IETF SIP \u5de5\u4f5c\u7ec4<\/a><\/li>\n
            4. OpenSIPS \u2013 \u5f00\u6e90 SIP \u4ee3\u7406\u670d\u52a1\u5668<\/a><\/li>\n<\/ol>\n

              \u603b\u4e4b\uff0cSIP \u4ee3\u7406\u662f\u73b0\u4ee3\u901a\u4fe1\u7f51\u7edc\u4e16\u754c\u7684\u57fa\u672c\u5143\u7d20\u3002\u5b83\u80fd\u591f\u6709\u6548\u5904\u7406 SIP \u4fe1\u4ee4\u6d88\u606f\u5e76\u4fc3\u8fdb\u65e0\u7f1d\u591a\u5a92\u4f53\u4f1a\u8bdd\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a VoIP \u7535\u8bdd\u3001\u7edf\u4e00\u901a\u4fe1\u548c WebRTC \u5e94\u7528\u7a0b\u5e8f\u7684\u5173\u952e\u7ec4\u4ef6\u3002\u968f\u7740\u901a\u4fe1\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cSIP \u4ee3\u7406\u6709\u671b\u9002\u5e94\u5e76\u84ec\u52c3\u53d1\u5c55\uff0c\u652f\u6301\u5b9e\u65f6\u591a\u5a92\u4f53\u901a\u4fe1\u7684\u672a\u6765\u521b\u65b0\u548c\u8fdb\u6b65\u3002<\/p>","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479016","wiki","type-wiki","status-publish","hentry"],"acf":{"faq_title":"Frequently Asked Questions about SIP Proxy: Enabling Seamless Communication for Modern Networks<\/mark>","faq_items":[{"question":"What is SIP proxy, and what does it do?","answer":"

              SIP proxy, also known as a SIP server or SIP registrar, is a vital component of modern communication networks. It operates at the application layer and handles the signaling and routing of SIP messages between users or devices. Its main functions include user location, call routing, protocol translation, and security. In essence, SIP proxy facilitates seamless communication for voice calls, video conferencing, and instant messaging.<\/p>"},{"question":"What is the history behind SIP proxy?","answer":"

              The roots of SIP proxy can be traced back to the early 1990s when the need for a standardized protocol for multimedia sessions emerged with the rise of Voice over IP (VoIP) technology. In 1996, SIP was introduced as a signaling protocol, making session initiation simpler and more versatile. SIP proxy's role in handling SIP messages further enhanced the efficiency and reliability of communication.<\/p>"},{"question":"How does SIP proxy work internally?","answer":"

              The internal structure of SIP proxy involves several key components. These include SIP User Agents (UAs), SIP Proxy Server, Registrar Server, Redirect Server, and Back-to-Back User Agent (B2BUA). SIP UAs represent the clients or endpoints, while the proxy server processes and forwards SIP requests. The registrar server manages user location, and the redirect server informs about the recipient's current location. The B2BUA acts as an intermediary, controlling communication between two SIP endpoints.<\/p>"},{"question":"What are the key features of SIP proxy?","answer":"

              SIP proxy offers essential features that make communication more efficient and secure. These features include call routing, network topology hiding, load balancing, protocol interoperability, and security measures such as authentication and encryption.<\/p>"},{"question":"Are there different types of SIP proxies?","answer":"

              Yes, SIP proxies can be classified into different types based on their functionalities and deployment. The types include stateless proxy, stateful proxy, application proxy, open proxy, and trusted proxy. Each type serves specific purposes and comes with unique characteristics.<\/p>"},{"question":"How is SIP proxy used in real-world scenarios?","answer":"

              SIP proxy finds applications in various scenarios, such as VoIP telephony, unified communications, and WebRTC services. It enables seamless integration of communication services, smooth session setup, and effective call routing.<\/p>"},{"question":"What are some common challenges related to SIP proxy use, and how can they be solved?","answer":"

              Scaling and redundancy, firewall and NAT traversal, and security issues are common challenges in SIP proxy deployment. Solutions involve load balancing, server clustering, using STUN and TURN servers for NAT traversal, and implementing advanced security protocols like TLS.<\/p>"},{"question":"How does SIP proxy compare with other similar terms in communication networks?","answer":"

              SIP proxy, SIP registrar, SIP B2BUA, and SIP proxy server are related terms in the context of SIP-based communication networks. Each term serves specific roles, such as handling signaling, user registration, and call manipulation.<\/p>"},{"question":"What does the future hold for SIP proxy and related technologies?","answer":"

              The future of SIP proxy is promising, with developments in SIP over WebSockets, enhanced security protocols, and IPv6 adoption. These advancements will further improve the efficiency and reliability of real-time multimedia communication.<\/p>"},{"question":"How are proxy servers associated with SIP proxy?","answer":"

              Proxy servers can be used in conjunction with SIP proxy to enhance functionality. For instance, a reverse proxy protects SIP proxy servers from direct exposure to the internet, while a caching proxy improves response times by storing frequently accessed resources locally.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/479016\/revisions"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=479016"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}