{"id":1172,"date":"2026-04-14T03:58:30","date_gmt":"2026-04-14T03:58:30","guid":{"rendered":"https:\/\/www.vos3000.com\/blog\/?p=1172"},"modified":"2026-04-14T03:58:41","modified_gmt":"2026-04-14T03:58:41","slug":"vos3000-%e8%bd%ac%e7%a0%81-dtmf","status":"publish","type":"post","link":"https:\/\/www.vos3000.com\/blog\/vos3000-%e8%bd%ac%e7%a0%81-dtmf\/","title":{"rendered":"VOS3000 \u8f6c\u7801 DTMF Easy \u914d\u7f6e\uff1aG729\u3001RFC2833\u4e0eSIP INFO"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"vos-3000-\u8f6c\u7801-dtmf-easy-\u914d\u7f6e\uff1a-g-729-\u3001-rfc-2833-\u4e0esip-info\">VOS3000 \u8f6c\u7801 DTMF Easy \u914d\u7f6e\uff1aG729\u3001RFC2833\u4e0eSIP INFO<\/h1>\n\n\n\n<p>\u5728VoIP\u8fd0\u8425\u4e2d\uff0c<strong>VOS3000 \u8f6c\u7801 DTMF<\/strong> \u914d\u7f6e\u662f\u786e\u4fdd\u8de8\u7f16\u7801\u901a\u8bdd\u4e0eIVR\u6309\u952e\u6b63\u5e38\u5de5\u4f5c\u7684\u6838\u5fc3\u6280\u672f\u73af\u8282\u3002\u5f53\u4e3b\u53eb\u4ec5\u652f\u6301PCMA\uff08G711a\uff09\u800c\u88ab\u53eb\u4ec5\u652f\u6301G729\u65f6\uff0c\u5982\u679c\u672a\u6b63\u786e\u914d\u7f6e\u8f6c\u7801\u529f\u80fd\uff0c\u901a\u8bdd\u5c06\u56e0\u7f16\u7801\u4e0d\u517c\u5bb9\u800c\u5931\u8d25\uff0c\u6216\u8005\u867d\u7136\u901a\u8bdd\u5efa\u7acb\u4f46DTMF\u6309\u952e\u4fe1\u53f7\u65e0\u6cd5\u6b63\u786e\u4f20\u9012\uff0c\u5bfc\u81f4IVR\u7cfb\u7edf\u65e0\u6cd5\u54cd\u5e94\u3001\u5145\u503c\u5361PIN\u7801\u65e0\u6cd5\u8bc6\u522b\u7b49\u4e25\u91cd\u95ee\u9898\u3002\u6839\u636eVOS3000\u8f6c\u7801\u529f\u80fd\u6a21\u5757\u4f7f\u7528\u8bf4\u660e\u6587\u6863\uff08VOS3000_transcode.pdf\uff09\uff0c&#8221;\u5f53\u4e3b\u88ab\u53eb\u8bed\u97f3\u7f16\u7801\u4e0d\u517c\u5bb9\u65f6\uff0c\u53ef\u4f7f\u7528\u8f6c\u7801\u529f\u80fd\uff0c\u4f7f\u4e4b\u517c\u5bb9&#8221;\uff0c\u8fd9\u53e5\u8bdd\u7cbe\u51c6\u6982\u62ec\u4e86VOS3000\u8f6c\u7801\u7684\u6838\u5fc3\u4ef7\u503c\u3002\u672c\u6559\u7a0b\u5c06\u5b8c\u6574\u8bb2\u89e3\u8f6c\u7801\u914d\u7f6e\u3001RFC2833\u4e0eSIP INFO\u53cc\u97f3\u591a\u9891\u8bbe\u7f6e\u3001DTMF\u900f\u4f20\u89c4\u5219\u4ee5\u53caPayload\u53c2\u6570\u914d\u7f6e\uff0c\u5e2e\u52a9\u60a8\u4e00\u6b21\u6027\u89e3\u51b3\u7f16\u7801\u8f6c\u6362\u4e0eDTMF\u4f20\u9012\u7684\u6240\u6709\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5f88\u591aVOS3000\u8fd0\u7ef4\u4eba\u5458\u5728\u914d\u7f6e\u8f6c\u7801\u65f6\u7ecf\u5e38\u5ffd\u7565DTMF\u7684\u914d\u5957\u8bbe\u7f6e\uff0c\u7ed3\u679c\u867d\u7136\u8bed\u97f3\u901a\u8bdd\u6b63\u5e38\uff0c\u4f46IVR\u6309\u952e\u3001\u5145\u503c\u5361\u8f93\u5165\u3001\u8bed\u97f3\u83dc\u5355\u5bfc\u822a\u7b49\u529f\u80fd\u5168\u90e8\u5931\u6548\u3002\u8fd9\u79cd&#8221;\u80fd\u6253\u7535\u8bdd\u4f46\u6309\u952e\u65e0\u6548&#8221;\u7684\u95ee\u9898\uff0c\u672c\u8d28\u4e0a\u5c31\u662f\u8f6c\u7801\u573a\u666f\u4e0bDTMF\u914d\u7f6e\u4e0d\u5f53\u9020\u6210\u7684\u3002VOS3000\u8f6c\u7801\u529f\u80fd\u6a21\u5757\u6587\u6863\u660e\u786e\u6307\u51fa\uff0cRFC2833\u3001SIP INFO\u548cInband\u4e09\u79cdDTMF\u65b9\u5f0f\u5728\u8f6c\u7801\u573a\u666f\u4e0b\u7684\u884c\u4e3a\u5404\u4e0d\u76f8\u540c\uff0c\u5fc5\u987b\u6839\u636e\u5b9e\u9645\u7f51\u7edc\u73af\u5883\u8fdb\u884c\u9488\u5bf9\u6027\u914d\u7f6e\u3002\u5982\u9700\u4e13\u4e1a\u914d\u7f6e\u534f\u52a9\uff0c\u8bf7\u901a\u8fc7WhatsApp\u8054\u7cfb\u6211\u4eec\uff1a<strong>+8801911119966<\/strong>\u3002<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#vos-3000-\u8f6c\u7801-dtmf-easy-\u914d\u7f6e\uff1a-g-729-\u3001-rfc-2833-\u4e0esip-info\">VOS3000 \u8f6c\u7801 DTMF Easy \u914d\u7f6e\uff1aG729\u3001RFC2833\u4e0eSIP INFO<\/a><ul><li><a href=\"#\u4f55\u65f6\u5fc5\u987b\u5f00\u542f-vos-3000-\u8f6c\u7801-dtmf-\u7f16\u7801\u8f6c\u6362\">\u4f55\u65f6\u5fc5\u987b\u5f00\u542fVOS 3000 \u8f6c\u7801 DTMF \u7f16\u7801\u8f6c\u6362<\/a><\/li><li><a href=\"#\u5bf9\u63a5\u7f51\u5173\u4e0e\u843d\u5730\u7f51\u5173\u7f16\u7801\u914d\u7f6e\">\u5bf9\u63a5\u7f51\u5173\u4e0e\u843d\u5730\u7f51\u5173\u7f16\u7801\u914d\u7f6e<\/a><ul><li><a href=\"#\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801\">\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801<\/a><\/li><li><a href=\"#\u5141\u8bb8\u7f16\u7801\u8f6c\u6362\">\u5141\u8bb8\u7f16\u7801\u8f6c\u6362<\/a><\/li><\/ul><\/li><li><a href=\"#rfc-2833-\u4e0esip-info\u533a\u522b\u4e0e\u914d\u7f6e\">RFC2833\u4e0eSIP INFO\u533a\u522b\u4e0e\u914d\u7f6e<\/a><\/li><li><a href=\"#dtmf\u900f\u4f20\u4e0e-payload\u8bbe\u7f6e\">DTMF\u900f\u4f20\u4e0ePayload\u8bbe\u7f6e<\/a><ul><li><a href=\"#\u4f7f\u7528\u5bf9\u7aef-rfc-2833-\u80fd\u529b-\u590d\u9009\u6846\u8be6\u89e3\">&#8220;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\u590d\u9009\u6846\u8be6\u89e3<\/a><\/li><\/ul><\/li><li><a href=\"#\u5e26\u5185-inband-dtmf\u8bc6\u522b\u4e0e\u53d1\u9001\u8bbe\u7f6e\">\u5e26\u5185Inband DTMF\u8bc6\u522b\u4e0e\u53d1\u9001\u8bbe\u7f6e<\/a><ul><li><a href=\"#\u5a92\u4f53\u5305\u542b\u5e26\u5185-inband-dtmf-\u8bbe\u7f6e\">&#8220;\u5a92\u4f53\u5305\u542b\u5e26\u5185(inband)DTMF&#8221;\u8bbe\u7f6e<\/a><\/li><li><a href=\"#\u9700\u4f7f\u7528\u5e26\u5185-inband-\u53d1\u9001-\u8bbe\u7f6e\">&#8220;\u9700\u4f7f\u7528\u5e26\u5185(inband)\u53d1\u9001&#8221;\u8bbe\u7f6e<\/a><\/li><\/ul><\/li><li><a href=\"#\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\u65f6-rfc-2833-payload\u5904\u7406\u89c4\u5219\">\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\u65f6RFC2833 Payload\u5904\u7406\u89c4\u5219<\/a><\/li><li><a href=\"#vos-3000-\u8f6c\u7801-dtmf-\u91cd\u8981\u6ce8\u610f\u4e8b\u9879\">VOS3000 \u8f6c\u7801 DTMF \u91cd\u8981\u6ce8\u610f\u4e8b\u9879<\/a><\/li><li><a href=\"#\ud83d\udd17-\u76f8\u5173\u8d44\u6e90\">\ud83d\udd17 \u76f8\u5173\u8d44\u6e90<\/a><\/li><li><a href=\"#\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/a><ul><li><a href=\"#\u2753-vos-3000-\u8f6c\u7801\u65f6dtmf\u6309\u952e\u4e3a\u4ec0\u4e48\u65e0\u54cd\u5e94\uff1f\">\u2753 VOS3000\u8f6c\u7801\u65f6DTMF\u6309\u952e\u4e3a\u4ec0\u4e48\u65e0\u54cd\u5e94\uff1f<\/a><\/li><li><a href=\"#\u2753-pcm-a\u8f6c-g-729-\u540e-inband-dtmf\u4e3a\u4ec0\u4e48\u4f1a\u5931\u771f\uff1f\">\u2753 PCMA\u8f6cG729\u540eInband DTMF\u4e3a\u4ec0\u4e48\u4f1a\u5931\u771f\uff1f<\/a><\/li><li><a href=\"#\u2753-\u5982\u4f55\u914d\u7f6e-vos-3000-\u8ba9\u4e24\u4fa7\u4f7f\u7528\u4e0d\u540c\u7684-rfc-2833-payload\u503c\uff1f\">\u2753 \u5982\u4f55\u914d\u7f6eVOS3000\u8ba9\u4e24\u4fa7\u4f7f\u7528\u4e0d\u540c\u7684RFC2833 Payload\u503c\uff1f<\/a><\/li><li><a href=\"#\u2753-\u4f7f\u7528\u5bf9\u7aef-rfc-2833-\u80fd\u529b-\u5e94\u8be5\u52fe\u9009\u8fd8\u662f\u4e0d\u52fe\u9009\uff1f\">\u2753 &#8220;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\u5e94\u8be5\u52fe\u9009\u8fd8\u662f\u4e0d\u52fe\u9009\uff1f<\/a><\/li><li><a href=\"#\u2753-\u8fdc\u7aef\u540c\u65f6\u53d1\u9001sip-inf-o\u548c-rfc-2833-\u4f1a\u600e\u6837\uff1f\">\u2753 \u8fdc\u7aef\u540c\u65f6\u53d1\u9001SIP INFO\u548cRFC2833\u4f1a\u600e\u6837\uff1f<\/a><\/li><li><a href=\"#\u2753-vos-3000-\u8f6c\u7801\u9700\u8981\u591a\u5c11\u670d\u52a1\u5668\u8d44\u6e90\uff1f\">\u2753 VOS3000\u8f6c\u7801\u9700\u8981\u591a\u5c11\u670d\u52a1\u5668\u8d44\u6e90\uff1f<\/a><\/li><li><a href=\"#\u2753-vos-3000-\u8f6c\u7801dtmf\u914d\u7f6e\u540e\u5982\u4f55\u9a8c\u8bc1\uff1f\">\u2753 VOS 3000\u8f6c\u7801DTMF\u914d\u7f6e\u540e\u5982\u4f55\u9a8c\u8bc1\uff1f<\/a><\/li><\/ul><\/li><li><a href=\"#\u83b7\u53d6\u4e13\u4e1a-vos-3000-\u8f6c\u7801\u914d\u7f6e\u670d\u52a1\">\u83b7\u53d6\u4e13\u4e1aVOS3000\u8f6c\u7801\u914d\u7f6e\u670d\u52a1<\/a><\/li><li><a href=\"#\ud83d\udcde-need-call-center-setup-support\">\ud83d\udcde Need Professional VOS3000 Setup Support?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u4f55\u65f6\u5fc5\u987b\u5f00\u542f-vos-3000-\u8f6c\u7801-dtmf-\u7f16\u7801\u8f6c\u6362\">\u4f55\u65f6\u5fc5\u987b\u5f00\u542fVOS 3000 \u8f6c\u7801 DTMF \u7f16\u7801\u8f6c\u6362<\/h2>\n\n\n\n<p>VOS3000\u8f6c\u7801\u529f\u80fd\u7684\u672c\u8d28\u662f\u5728\u5a92\u4f53\u8def\u5f84\u4e2d\u5b9e\u65f6\u5c06\u4e00\u79cd\u8bed\u97f3\u7f16\u7801\u8f6c\u6362\u4e3a\u53e6\u4e00\u79cd\u7f16\u7801\u3002\u6839\u636eVOS3000_transcode.pdf\u7b2c1\u8282\uff0c\u8f6c\u7801\u529f\u80fd\u7684\u4f4d\u7f6e\u5728&#8221;\u4e1a\u52a1\u7ba1\u7406 &gt; \u5bf9\u63a5\u7f51\u5173\/\u843d\u5730\u7f51\u5173 &gt; \u8865\u5145\u8bf4\u660e &gt; \u7f16\u7801&#8221;\u3002\u53ea\u6709\u5f53\u4e3b\u88ab\u53eb\u53cc\u65b9\u7684\u8bed\u97f3\u7f16\u7801\u4e0d\u517c\u5bb9\u65f6\uff0c\u624d\u9700\u8981\u5f00\u542f\u8f6c\u7801\u3002\u5728\u5b9e\u9645VoIP\u8fd0\u8425\u4e2d\uff0c\u7f16\u7801\u4e0d\u517c\u5bb9\u7684\u573a\u666f\u975e\u5e38\u666e\u904d\uff1a\u5ba2\u6237\u7684SIP\u7ec8\u7aef\u53ef\u80fd\u53ea\u652f\u6301G711\u7cfb\u5217\u7f16\u7801\uff08PCMA\/PCMU\uff09\uff0c\u800c\u60a8\u7684\u843d\u5730\u4f9b\u5e94\u5546\u53ea\u63a5\u53d7G729\u7f16\u7801\uff1b\u6216\u8005\u79fb\u52a8\u7aefSIP\u8f6f\u7535\u8bdd\u504f\u597d\u4f4e\u5e26\u5bbd\u7684G729\uff0c\u4f46\u4f20\u7edfPSTN\u7f51\u5173\u53ea\u652f\u6301G711\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0cVOS3000\u8f6c\u7801\u662f\u6253\u901a\u901a\u8bdd\u7684\u552f\u4e00\u6280\u672f\u624b\u6bb5\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u7279\u522b\u5f3a\u8c03\u7684\u662f\uff0cVOS3000\u8f6c\u7801\u5fc5\u987b\u914d\u5408\u5a92\u4f53\u8f6c\u53d1\u529f\u80fd\u624d\u80fd\u751f\u6548\u3002\u5f53\u5a92\u4f53\u8f6c\u53d1\u5173\u95ed\u65f6\uff0cRTP\u5a92\u4f53\u6d41\u76f4\u63a5\u5728\u4e3b\u88ab\u53eb\u4e4b\u95f4\u4f20\u9012\uff0cVOS3000\u65e0\u6cd5\u62e6\u622a\u548c\u8f6c\u6362\u7f16\u7801\u3002\u53ea\u6709\u5f00\u542f\u5a92\u4f53\u8f6c\u53d1\u540e\uff0cVOS3000\u624d\u4f1a\u5728\u5a92\u4f53\u8def\u5f84\u4e2d\u63a5\u6536\u4e00\u4fa7\u7684RTP\uff0c\u89e3\u7801\u540e\u91cd\u65b0\u7f16\u7801\u53d1\u9001\u5230\u53e6\u4e00\u4fa7\uff0c\u5b9e\u73b0\u5b9e\u65f6\u7f16\u7801\u8f6c\u6362\u3002\u8fd9\u610f\u5473\u7740SS_MEDIAPROXYMODE\u53c2\u6570\u5fc5\u987b\u8bbe\u7f6e\u4e3aOn\u3001Auto\u6216Must On\uff0c\u8f6c\u7801\u529f\u80fd\u624d\u6709\u610f\u4e49\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcde \u573a\u666f<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd35 \u4e3b\u53eb\u7f16\u7801<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udfe2 \u88ab\u53eb\u7f16\u7801<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd04 \u662f\u5426\u9700\u8981\u8f6c\u7801<\/th><\/tr><tr><td>SIP\u7ec8\u7aef \u2192 G729\u843d\u5730<\/td><td>PCMA (G711a)<\/td><td>G729<\/td><td>\u2705 \u5fc5\u987b \u2014 PCMA\u8f6cG729<\/td><\/tr><tr><td>\u79fb\u52a8\u8f6f\u7535\u8bdd \u2192 PSTN\u7f51\u5173<\/td><td>G729<\/td><td>PCMA (G711a)<\/td><td>\u2705 \u5fc5\u987b \u2014 G729\u8f6cPCMA<\/td><\/tr><tr><td>\u540c\u7f16\u7801\u901a\u8bdd<\/td><td>PCMA<\/td><td>PCMA<\/td><td>\u274c \u4e0d\u9700\u8981 \u2014 \u7f16\u7801\u5339\u914d<\/td><\/tr><tr><td>G723\u7f51\u5173 \u2192 G729\u4f9b\u5e94\u5546<\/td><td>G723<\/td><td>G729<\/td><td>\u2705 \u5fc5\u987b \u2014 G723\u8f6cG729<\/td><\/tr><tr><td>PCMU \u2192 PCMA<\/td><td>PCMU (G711u)<\/td><td>PCMA (G711a)<\/td><td>\u26a0\ufe0f \u89c6\u8bbe\u5907\u800c\u5b9a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5bf9\u63a5\u7f51\u5173\u4e0e\u843d\u5730\u7f51\u5173\u7f16\u7801\u914d\u7f6e\">\u5bf9\u63a5\u7f51\u5173\u4e0e\u843d\u5730\u7f51\u5173\u7f16\u7801\u914d\u7f6e<\/h2>\n\n\n\n<p>VOS3000\u8f6c\u7801\u914d\u7f6e\u7684\u6838\u5fc3\u5728\u4e8e\u5bf9\u63a5\u7f51\u5173\uff08Mapping Gateway\uff0c\u5ba2\u6237\u4fa7\uff09\u548c\u843d\u5730\u7f51\u5173\uff08Routing Gateway\uff0c\u4f9b\u5e94\u5546\u4fa7\uff09\u7684\u7f16\u7801\u8bbe\u7f6e\u3002\u6839\u636eVOS3000_transcode.pdf\u7b2c1.2\u8282\uff0c\u914d\u7f6e\u8def\u5f84\u4e3a&#8221;\u4e1a\u52a1\u7ba1\u7406 &gt; \u5bf9\u63a5\u7f51\u5173\/\u843d\u5730\u7f51\u5173 &gt; \u8865\u5145\u8bf4\u660e &gt; \u7f16\u7801&#8221;\u3002\u6bcf\u4e2a\u7f51\u5173\u7684\u7f16\u7801\u8bbe\u7f6e\u72ec\u7acb\u63a7\u5236\uff0c\u4e24\u4fa7\u5fc5\u987b\u540c\u65f6\u6b63\u786e\u914d\u7f6e\u624d\u80fd\u5b9e\u73b0\u5b8c\u6574\u7684\u7f16\u7801\u8f6c\u6362\u3002\u5173\u952e\u7684\u4e24\u4e2a\u9009\u9879\u662f&#8221;\u8f6f\u4ea4\u6362\u6307\u5b9a&#8221;\u548c&#8221;\u5141\u8bb8\u7f16\u7801\u8f6c\u6362&#8221;\uff0c\u5b83\u4eec\u5171\u540c\u51b3\u5b9a\u4e86VOS3000\u5982\u4f55\u5904\u7406\u7f16\u7801\u534f\u5546\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801\">\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801<\/h3>\n\n\n\n<p>\u6839\u636eVOS3000_transcode.pdf\u539f\u6587\uff0c&#8221;\u8f6f\u4ea4\u6362\u6307\u5b9a\uff1a\u4e3b\u88ab\u53eb\u53cc\u65b9\u4f7f\u7528\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801\u6765\u8fdb\u884c\u901a\u4fe1&#8221;\u3002\u8fd9\u610f\u5473\u7740\u9009\u62e9\u8f6f\u4ea4\u6362\u6307\u5b9a\u540e\uff0cVOS3000\u5c06\u5f3a\u5236\u4f7f\u7528\u60a8\u6307\u5b9a\u7684\u7f16\u7801\u4e0e\u8be5\u7f51\u5173\u4fa7\u901a\u4fe1\uff0c\u800c\u5ffd\u7565\u8fdc\u7aef\u8bbe\u5907\u5728SDP\u4e2d\u534f\u5546\u7684\u5176\u4ed6\u7f16\u7801\u9009\u9879\u3002\u5728\u5bf9\u63a5\u7f51\u5173\u4e0a\u9009\u62e9\u8f6f\u4ea4\u6362\u6307\u5b9aPCMA\uff0c\u5219VOS3000\u65e0\u8bba\u5ba2\u6237\u7ec8\u7aef\u662f\u5426\u4e5f\u652f\u6301G729\uff0c\u90fd\u53ea\u4f1a\u7528PCMA\u4e0e\u5ba2\u6237\u901a\u4fe1\uff1b\u5728\u843d\u5730\u7f51\u5173\u4e0a\u9009\u62e9\u8f6f\u4ea4\u6362\u6307\u5b9aG729\uff0c\u5219VOS3000\u65e0\u8bba\u4f9b\u5e94\u5546\u662f\u5426\u4e5f\u652f\u6301PCMA\uff0c\u90fd\u53ea\u4f1a\u7528G729\u4e0e\u4f9b\u5e94\u5546\u901a\u4fe1\u3002\u4e24\u4fa7\u6307\u5b9a\u4e0d\u540c\u7f16\u7801\u65f6\uff0c\u8f6c\u7801\u81ea\u52a8\u6fc0\u6d3b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5141\u8bb8\u7f16\u7801\u8f6c\u6362\">\u5141\u8bb8\u7f16\u7801\u8f6c\u6362<\/h3>\n\n\n\n<p>VOS3000_transcode.pdf\u539f\u6587\u6307\u51fa\uff1a&#8221;\u5141\u8bb8\u7f16\u7801\u8f6c\u6362\uff1a\u5f53\u4e3b\u88ab\u53eb\u53cc\u65b9\u7f16\u7801\u4e0d\u4e00\u81f4\u65f6\uff0c\u4f7f\u7528\u7f16\u7801\u8f6c\u6362\u8f6c\u6362\u6210\u8fdc\u7aef\u652f\u6301\u7684\u8bed\u97f3\u7f16\u7801\u8fdb\u884c\u901a\u8bdd&#8221;\u3002\u8fd9\u4e2a\u9009\u9879\u5fc5\u987b\u5728\u5bf9\u7aef\u7f51\u5173\u548c\u843d\u5730\u7f51\u5173\u4e24\u4fa7\u90fd\u52fe\u9009\uff0cVOS3000\u624d\u80fd\u5728\u7f16\u7801\u4e0d\u5339\u914d\u65f6\u6267\u884c\u5b9e\u65f6\u8f6c\u6362\u3002\u5982\u679c\u53ea\u5728\u4e00\u4fa7\u52fe\u9009\uff0c\u53e6\u4e00\u4fa7\u7f16\u7801\u4e0d\u4e00\u81f4\u65f6\u901a\u8bdd\u53ef\u80fd\u5931\u8d25\u3002<\/p>\n\n\n\n<p>\u6839\u636eVOS3000_transcode.pdf\u7b2c1.3\u8282\u7684\u529f\u80fd\u573a\u666f\u793a\u4f8b\uff0c\u5b8c\u6574\u914d\u7f6e\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p><strong>\u5bf9\u63a5\u7f51\u5173\u914d\u7f6e\uff08\u4e3b\u53eb\u4fa7\uff09\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8fdb\u5165&#8221;\u4e1a\u52a1\u7ba1\u7406 > \u5bf9\u63a5\u7f51\u5173 > \u8865\u5145\u8bf4\u660e > \u7f16\u7801&#8221;<\/li>\n\n\n\n<li>\u52fe\u9009&#8221;\u5141\u8bb8\u4f7f\u7528\u7f16\u7801\u8f6c\u6362&#8221;<\/li>\n\n\n\n<li>\u9009\u62e9&#8221;\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801 PCMA&#8221;<\/li>\n\n\n\n<li>\u4fdd\u5b58\u914d\u7f6e<\/li>\n<\/ol>\n\n\n\n<p><strong>\u843d\u5730\u7f51\u5173\u914d\u7f6e\uff08\u88ab\u53eb\u4fa7\uff09\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8fdb\u5165&#8221;\u4e1a\u52a1\u7ba1\u7406 > \u843d\u5730\u7f51\u5173 > \u8865\u5145\u8bf4\u660e > \u7f16\u7801&#8221;<\/li>\n\n\n\n<li>\u52fe\u9009&#8221;\u5141\u8bb8\u4f7f\u7528\u7f16\u7801\u8f6c\u6362&#8221;<\/li>\n\n\n\n<li>\u9009\u62e9&#8221;\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801 G729&#8243;<\/li>\n\n\n\n<li>\u4fdd\u5b58\u914d\u7f6e<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd27 \u914d\u7f6e\u9879<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udc64 \u5bf9\u63a5\u7f51\u5173\uff08\u4e3b\u53eb\u4fa7\uff09<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83c\udfe2 \u843d\u5730\u7f51\u5173\uff08\u88ab\u53eb\u4fa7\uff09<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcdd \u6548\u679c<\/th><\/tr><tr><td>\u5141\u8bb8\u7f16\u7801\u8f6c\u6362<\/td><td>\u2705 \u52fe\u9009<\/td><td>\u2705 \u52fe\u9009<\/td><td>VOS3000\u53ef\u6267\u884c\u53cc\u5411\u8f6c\u7801<\/td><\/tr><tr><td>\u8f6f\u4ea4\u6362\u6307\u5b9a\u7f16\u7801<\/td><td>PCMA (G711a)<\/td><td>G729<\/td><td>\u4e24\u4fa7\u7f16\u7801\u4e0d\u540c\u2192\u8f6c\u7801\u6fc0\u6d3b<\/td><\/tr><tr><td>\u5a92\u4f53\u8f6c\u53d1<\/td><td>On\/Auto<\/td><td>On\/Auto<\/td><td>VOS3000\u62e6\u622aRTP\u6267\u884c\u8f6c\u7801<\/td><\/tr><tr><td>\u5a92\u4f53\u6d41\u65b9\u5411<\/td><td>\u4e3b\u53eb \u2192 PCMA \u2192 VOS3000<\/td><td>VOS3000 \u2192 G729 \u2192 \u4f9b\u5e94\u5546<\/td><td>\u2705 \u8f6c\u7801\u901a\u8bdd\u6210\u529f<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u66f4\u591a\u5173\u4e8eG729\u7f16\u7801\u8f6c\u6362\u7684\u8be6\u7ec6\u914d\u7f6e\uff0c\u8bf7\u53c2\u9605\u6211\u4eec\u7684\u4e13\u9898\u6559\u7a0b\uff1a<a href=\"https:\/\/multahost.com\/blog\/vos3000-codec-g729-transcoding\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000 G729\u8f6c\u7801\u914d\u7f6e\u6307\u5357<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"rfc-2833-\u4e0esip-info\u533a\u522b\u4e0e\u914d\u7f6e\">RFC2833\u4e0eSIP INFO\u533a\u522b\u4e0e\u914d\u7f6e<\/h2>\n\n\n\n<p>VOS3000\u652f\u6301\u4e09\u79cdDTMF\u4f20\u8f93\u65b9\u5f0f\uff1aRFC2833\u3001SIP INFO\u548cInband\u3002\u5728\u8f6c\u7801\u573a\u666f\u4e0b\uff0cDTMF\u7684\u6b63\u786e\u914d\u7f6e\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u7f16\u7801\u8f6c\u6362\u4f1a\u76f4\u63a5\u5f71\u54cdDTMF\u4fe1\u53f7\u7684\u4f20\u9012\u65b9\u5f0f\u3002\u6839\u636eVOS3000_transcode.pdf\u7b2c2\u8282\uff0c\u4e09\u79cd\u65b9\u5f0f\u7684\u4f20\u8f93\u673a\u5236\u5b8c\u5168\u4e0d\u540c\uff0c\u7406\u89e3\u5b83\u4eec\u7684\u533a\u522b\u662f\u6b63\u786e\u914d\u7f6e\u7684\u524d\u63d0\u3002<\/p>\n\n\n\n<p><strong>RFC2833<\/strong> \u662f\u6700\u63a8\u8350\u7684DTMF\u65b9\u5f0f\u3002\u6839\u636eVOS3000_transcode.pdf\u7b2c2.3\u8282\u539f\u6587\uff0c&#8221;\u5728\u4fe1\u4ee4\u7684SDP\u4e2d\u7528a=rtpmap:101 telephone-event\/8000\u6807\u8bc6\uff0c\u6309\u952e\u627f\u8f7d\u5728\u5355\u72ec\u7684RTP\u5305\u4e2d&#8221;\u3002RFC2833\u5c06DTMF\u6309\u952e\u4f5c\u4e3a\u72ec\u7acb\u7684RTP\u4e8b\u4ef6\u5305\u4f20\u8f93\uff0c\u4e0e\u8bed\u97f3RTP\u5206\u79bb\u4f46\u5171\u7528RTP\u901a\u9053\uff0c\u56e0\u6b64\u4e0d\u53d7\u7f16\u7801\u538b\u7f29\u7684\u5f71\u54cd\uff0c\u65e0\u8bba\u662fG711\u8fd8\u662fG729\u90fd\u80fd\u53ef\u9760\u4f20\u9012DTMF\u3002<\/p>\n\n\n\n<p><strong>SIP INFO<\/strong> \u65b9\u5f0f\u6839\u636e\u7b2c2.2\u8282\u539f\u6587\uff0c&#8221;\u5c5e\u4e8e\u72ec\u7acb\u7684\u4fe1\u4ee4\uff0c\u6309\u952e\u627f\u8f7d\u5728\u5355\u72ec\u7684\u4fe1\u4ee4\u4e2d&#8221;\u3002SIP INFO\u5b8c\u5168\u8d70SIP\u4fe1\u4ee4\u901a\u9053\uff0c\u4e0eRTP\u5a92\u4f53\u6d41\u65e0\u5173\uff0c\u56e0\u6b64\u5b8c\u5168\u4e0d\u53d7\u8f6c\u7801\u5f71\u54cd\u3002\u4f46SIP INFO\u7684\u7f3a\u70b9\u662f\u67d0\u4e9bSIP\u8bbe\u5907\u4e0d\u652f\u6301\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4e14\u65f6\u5e8f\u7cbe\u5ea6\u4e0d\u5982RFC2833\u3002<\/p>\n\n\n\n<p><strong>Inband<\/strong> \u65b9\u5f0f\u6839\u636e\u7b2c2.4\u8282\u539f\u6587\uff0c&#8221;\u6309\u952e\u627f\u8f7d\u5728RTP\u4e2d\u4e00\u6bb5\u6301\u7eed\u7684\u8bed\u97f3&#8221;\u3002Inband DTMF\u5c06\u53cc\u97f3\u591a\u9891\u4fe1\u53f7\u4f5c\u4e3a\u5b9e\u9645\u97f3\u9891\u5d4c\u5165\u5728RTP\u8bed\u97f3\u6d41\u4e2d\uff0c\u8fd9\u5728G711\u7f16\u7801\u4e0b\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\uff0c\u4f46\u5728G729\u7b49\u4f4e\u7801\u7387\u7f16\u7801\u4e0b\uff0c\u538b\u7f29\u7b97\u6cd5\u4f1a\u4e25\u91cd\u5931\u771fDTMF\u97f3\u8c03\uff0c\u5bfc\u81f4\u63a5\u6536\u7aef\u65e0\u6cd5\u8bc6\u522b\u6309\u952e\u3002\u56e0\u6b64\u5728\u8f6c\u7801\u573a\u666f\u4e2d\uff0cInband\u662f\u6700\u4e0d\u53ef\u9760\u7684DTMF\u65b9\u5f0f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb \u7279\u6027<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd35 RFC2833<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udfe2 SIP INFO<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udfe1 Inband<\/th><\/tr><tr><td>\u4f20\u8f93\u901a\u9053<\/td><td>RTP\u5a92\u4f53\u901a\u9053\uff08\u72ec\u7acb\u4e8b\u4ef6\u5305\uff09<\/td><td>SIP\u4fe1\u4ee4\u901a\u9053<\/td><td>RTP\u5a92\u4f53\u901a\u9053\uff08\u5d4c\u5165\u8bed\u97f3\uff09<\/td><\/tr><tr><td>\u7f16\u7801\u517c\u5bb9\u6027<\/td><td>\u2705 \u6240\u6709\u7f16\u7801<\/td><td>\u2705 \u6240\u6709\u7f16\u7801<\/td><td>\u26a0\ufe0f \u4ec5G711<\/td><\/tr><tr><td>\u8f6c\u7801\u5f71\u54cd<\/td><td>VOS\u7ec8\u7ed3\u5e76\u91cd\u65b0\u751f\u6210<\/td><td>\u4e0d\u53d7\u8f6c\u7801\u5f71\u54cd<\/td><td>G729\u538b\u7f29\u540e\u5931\u771f\u4e25\u91cd<\/td><\/tr><tr><td>\u53ef\u9760\u6027<\/td><td>\u9ad8<\/td><td>\u4e2d<\/td><td>\u4f4e<\/td><\/tr><tr><td>\u63a8\u8350\u5ea6<\/td><td>\u2705 \u9996\u9009\u63a8\u8350<\/td><td>\u26a0\ufe0f \u7279\u5b9a\u573a\u666f<\/td><td>\u274c \u6700\u540e\u624b\u6bb5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5173\u4e8eSIP\u547c\u53eb\u4e2dDTMF\u7684\u66f4\u591a\u914d\u7f6e\u7ec6\u8282\uff0c\u8bf7\u53c2\u8003\u6211\u4eec\u7684SIP\u547c\u53eb\u6559\u7a0b\uff1a<a href=\"https:\/\/multahost.com\/blog\/vos3000-sip-call\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000 SIP\u547c\u53eb\u914d\u7f6e\u6307\u5357<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dtmf\u900f\u4f20\u4e0e-payload\u8bbe\u7f6e\">DTMF\u900f\u4f20\u4e0ePayload\u8bbe\u7f6e<\/h2>\n\n\n\n<p>\u5728VOS3000\u8f6c\u7801 DTMF\u914d\u7f6e\u4e2d\uff0cPayload\u503c\u662f\u4e00\u4e2a\u5173\u952e\u53c2\u6570\u3002\u6839\u636eVOS3000_transcode.pdf\u7b2c2.5\u8282\uff0c&#8221;\u4ec5\u6709RFC2833\u4e2d\u6709Payload\u503c\u7684\u8bbe\u5b9a&#8221;\u3002Payload\u503c\u6307\u5b9a\u4e86RFC2833 DTMF\u4e8b\u4ef6\u5728RTP\u4e2d\u4f7f\u7528\u7684\u8d1f\u8f7d\u7c7b\u578b\u7f16\u53f7\uff0c\u8be5\u7f16\u53f7\u540c\u65f6\u51fa\u73b0\u5728SDP\u534f\u5546\u4e2d\u3002\u6807\u51c6\u7684RFC2833 SDP\u6807\u8bc6\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a=rtpmap:101 telephone-event\/8000\na=fmtp:101 0-16<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0cPayload\u503c\u4e3a101\uff0c\u8868\u793aRTP\u4e2d\u8d1f\u8f7d\u7c7b\u578b101\u7528\u4e8etelephone-event\uff0c\u6309\u952e0-16\u5747\u652f\u6301\uff08\u5305\u62ec\u6570\u5b570-9\u3001*\u3001#\u4ee5\u53caA-D\u952e\uff09\u3002\u5f53\u52fe\u9009Payload\u8bbe\u7f6e\u540e\uff0cVOS3000\u53ea\u8bc6\u522b\u5bf9\u5e94Payload\u503c\u7684RFC2833 RTP\u5305\uff0c\u53d1\u9001\u65f6\u4e5f\u4f1a\u5728RTP\u5305\u4e2d\u643a\u5e26\u5177\u4f53\u7684Payload\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f \u53c2\u6570<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb \u8bf4\u660e<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u2705 \u63a8\u8350\u503c<\/th><\/tr><tr><td>Payload\u503c<\/td><td>RFC2833 RTP\u8d1f\u8f7d\u7c7b\u578b\u7f16\u53f7\uff0c\u9700\u4e0eSDP\u4e2da=rtpmap\u884c\u4e00\u81f4<\/td><td>101\uff08\u9ed8\u8ba4\uff09<\/td><\/tr><tr><td>\u6309\u952e\u8303\u56f4<\/td><td>DTMF\u6309\u952e\u652f\u6301\u7c7b\u578b\uff0c\u59820-16\u8868\u793a\u652f\u6301\u6240\u6709\u6807\u51c6\u6309\u952e<\/td><td>0-16<\/td><\/tr><tr><td>DTMF\u63a5\u6536<\/td><td>\u8bbe\u7f6eVOS3000\u63a5\u53d7\u54ea\u79cdDTMF\u65b9\u5f0f<\/td><td>\u5168\u90e8\uff08All\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u4f7f\u7528\u5bf9\u7aef-rfc-2833-\u80fd\u529b-\u590d\u9009\u6846\u8be6\u89e3\">&#8220;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\u590d\u9009\u6846\u8be6\u89e3<\/h3>\n\n\n\n<p>VOS3000_transcode.pdf\u7b2c2.5\u8282\u5bf9&#8221;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\u8fd9\u4e2a\u5173\u952e\u8bbe\u7f6e\u6709\u8be6\u7ec6\u8bf4\u660e\u3002\u6839\u636e\u6587\u6863\u539f\u6587\uff0c\u884c\u4e3a\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p><strong>\u52fe\u9009\u65f6\uff1a<\/strong>\u5bf9\u7aef\u4fe1\u4ee4\u7684SDP\u53d1\u4e86RFC2833\uff08a=rtpmap:101 telephone-event\/8000\uff09\uff0c\u5219\u7ed9\u8fdc\u7aef\u65f6\u4e5f\u53d1\uff1b\u5bf9\u7aef\u4fe1\u4ee4\u7684SDP\u672a\u53d1RFC2833\uff0c\u5219\u7ed9\u8fdc\u7aef\u65f6\u4e5f\u4e0d\u53d1\u3002\u8fd9\u610f\u5473\u7740VOS3000\u5b8c\u5168\u8ddf\u968f\u5bf9\u7aef\u7684RFC2833\u80fd\u529b\u6765\u51b3\u5b9a\u662f\u5426\u5411\u8fdc\u7aef\u901a\u544aRFC2833\u652f\u6301\u3002<\/p>\n\n\n\n<p><strong>\u4e0d\u52fe\u9009\u65f6\uff1a<\/strong>\u5bf9\u7aef\u4fe1\u4ee4\u7684SDP\u53d1\u4e86RFC2833\uff0c\u5219\u7ed9\u8fdc\u7aef\u65f6\u4e5f\u53d1\uff1b\u5bf9\u7aef\u4fe1\u4ee4\u7684SDP\u672a\u53d1RFC2833\uff0c\u5219\u7531VOS\u81ea\u52a8\u751f\u6210SDP\u4e2d\u5bf9\u5e94\u5b57\u6bb5\u53d1\u9001\u7ed9\u8fdc\u7aef\u3002\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u5bf9\u7aef\u4e0d\u652f\u6301RFC2833\uff0cVOS3000\u4e5f\u4f1a\u5f3a\u5236\u5411\u8fdc\u7aef\u901a\u544aRFC2833\u80fd\u529b\uff0c\u786e\u4fdd\u8fdc\u7aef\u8bbe\u5907\u77e5\u9053\u53ef\u4ee5\u4f7f\u7528RFC2833\u4f20\u8f93DTMF\u3002<\/p>\n\n\n\n<p>\u5728VOS3000\u8f6c\u7801 DTMF\u7684\u5b9e\u9645\u914d\u7f6e\u4e2d\uff0c\u5efa\u8bae\u4e0d\u52fe\u9009\u6b64\u9009\u9879\uff0c\u8fd9\u6837VOS3000\u4f1a\u5728\u4e24\u4fa7\u90fd\u4e3b\u52a8\u901a\u544aRFC2833\u80fd\u529b\uff0c\u786e\u4fddDTMF\u4fe1\u53f7\u5728\u8f6c\u7801\u8fc7\u7a0b\u4e2d\u80fd\u591f\u6b63\u786e\u4f20\u9012\u3002\u5982\u679c\u60a8\u9047\u5230IVR\u6309\u952e\u65e0\u54cd\u5e94\u7684\u95ee\u9898\uff0c\u9996\u5148\u68c0\u67e5\u8fd9\u4e2a\u8bbe\u7f6e\u662f\u5426\u6b63\u786e\u3002\u9700\u8981\u8fdc\u7a0b\u6392\u67e5\u534f\u52a9\uff0c\u8bf7\u901a\u8fc7WhatsApp\u8054\u7cfb\u6211\u4eec\uff1a<strong>+8801911119966<\/strong>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f \u8bbe\u7f6e\u72b6\u6001<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd35 \u5bf9\u7aef\u53d1\u4e86RFC2833<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u26aa \u5bf9\u7aef\u672a\u53d1RFC2833<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcdd \u5efa\u8bae\u573a\u666f<\/th><\/tr><tr><td>\u2705 \u52fe\u9009<\/td><td>\u8fdc\u7aef\u4e5f\u53d1RFC2833<\/td><td>\u8fdc\u7aef\u4e0d\u53d1RFC2833<\/td><td>\u5bf9\u7aef\u8bbe\u5907\u80fd\u529b\u5b8c\u5168\u786e\u5b9a\u65f6<\/td><\/tr><tr><td>\u274c \u4e0d\u52fe\u9009<\/td><td>\u8fdc\u7aef\u4e5f\u53d1RFC2833<\/td><td>VOS\u81ea\u52a8\u751f\u6210RFC2833\u7ed9\u8fdc\u7aef<\/td><td>\u8f6c\u7801\u573a\u666f\u63a8\u8350\uff0c\u786e\u4fddDTMF\u517c\u5bb9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5e26\u5185-inband-dtmf\u8bc6\u522b\u4e0e\u53d1\u9001\u8bbe\u7f6e\">\u5e26\u5185Inband DTMF\u8bc6\u522b\u4e0e\u53d1\u9001\u8bbe\u7f6e<\/h2>\n\n\n\n<p>VOS3000_transcode.pdf\u7b2c2.5\u8282\u5bf9Inband DTMF\u7684\u4e24\u4e2a\u5173\u952e\u8bbe\u7f6e\u505a\u4e86\u660e\u786e\u8bf4\u660e\uff0c\u7406\u89e3\u5b83\u4eec\u5bf9\u8f6c\u7801\u573a\u666f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u5a92\u4f53\u5305\u542b\u5e26\u5185-inband-dtmf-\u8bbe\u7f6e\">&#8220;\u5a92\u4f53\u5305\u542b\u5e26\u5185(inband)DTMF&#8221;\u8bbe\u7f6e<\/h3>\n\n\n\n<p>\u6839\u636e\u6587\u6863\u539f\u6587\uff1a<strong>\u52fe\u9009\u65f6\u8bc6\u522bInband\uff0c\u4e0d\u52fe\u9009\u65f6\u4e0d\u8bc6\u522bInband<\/strong>\u3002\u5f53\u60a8\u52fe\u9009\u6b64\u9009\u9879\u540e\uff0cVOS3000\u4f1a\u5728\u63a5\u6536\u5230\u7684RTP\u8bed\u97f3\u6d41\u4e2d\u68c0\u6d4bInband DTMF\u53cc\u97f3\u591a\u9891\u4fe1\u53f7\u3002\u8fd9\u5bf9\u4e8e\u5904\u7406\u53ea\u652f\u6301Inband\u65b9\u5f0f\u7684\u4f20\u7edfPSTN\u7f51\u5173\u6216\u8001\u5f0fSIP\u8bbe\u5907\u975e\u5e38\u91cd\u8981\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cInband DTMF\u7684\u8bc6\u522b\u4ec5\u5728G711\u7f16\u7801\u4e0b\u53ef\u9760\uff0c\u5728G729\u7f16\u7801\u4e0b\u7531\u4e8e\u538b\u7f29\u5931\u771f\uff0c\u8bc6\u522b\u7387\u6781\u4f4e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u9700\u4f7f\u7528\u5e26\u5185-inband-\u53d1\u9001-\u8bbe\u7f6e\">&#8220;\u9700\u4f7f\u7528\u5e26\u5185(inband)\u53d1\u9001&#8221;\u8bbe\u7f6e<\/h3>\n\n\n\n<p>\u6839\u636e\u6587\u6863\u539f\u6587\uff1a<strong>\u52fe\u9009\u65f6\u53d1\u9001Inband\uff0c\u4f1a\u5c06\u5bf9\u7aef\u7684RFC2833\u548cSIP INFO\u62e6\u622a\uff1b\u4e0d\u52fe\u9009\u65f6\u4e0d\u53d1\u9001Inband<\/strong>\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u5f71\u54cd\u529b\u7684\u8bbe\u7f6e\u3002\u5f53\u52fe\u9009\u540e\uff0cVOS3000\u4e0d\u4ec5\u4f1a\u7528Inband\u65b9\u5f0f\u5411\u8fdc\u7aef\u53d1\u9001DTMF\uff0c\u8fd8\u4f1a\u4e3b\u52a8\u62e6\u622a\u5bf9\u7aef\u53d1\u6765\u7684RFC2833\u548cSIP INFO\u4fe1\u53f7\uff0c\u5c06\u5176\u8f6c\u6362\u4e3aInband\u97f3\u9891\u540e\u53d1\u9001\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u5bf9\u7aef\u53d1\u9001\u4e86RFC2833\u6216SIP INFO\uff0cVOS3000\u4f1a\u4e22\u5f03\u8fd9\u4e9b\u4fe1\u53f7\uff0c\u8f6c\u6210Inband\u53d1\u7ed9\u8fdc\u7aef\u3002<\/p>\n\n\n\n<p>\u5728VOS3000\u8f6c\u7801 DTMF\u914d\u7f6e\u4e2d\uff0c\u901a\u5e38\u4e0d\u5efa\u8bae\u52fe\u9009&#8221;\u9700\u4f7f\u7528Inband\u53d1\u9001&#8221;\uff0c\u56e0\u4e3aInband\u5728G729\u7f16\u7801\u4e0b\u4e0d\u53ef\u9760\uff0c\u4e14\u4f1a\u62e6\u622a\u66f4\u53ef\u9760\u7684RFC2833\u548cSIP INFO\u4fe1\u53f7\u3002\u4ec5\u5728\u8fdc\u7aef\u8bbe\u5907\u53ea\u652f\u6301Inband\u63a5\u6536\u7684\u7279\u6b8a\u60c5\u51b5\u4e0b\u624d\u9700\u8981\u542f\u7528\u6b64\u9009\u9879\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\u65f6-rfc-2833-payload\u5904\u7406\u89c4\u5219\">\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\u65f6RFC2833 Payload\u5904\u7406\u89c4\u5219<\/h2>\n\n\n\n<p>VOS3000_transcode.pdf\u7b2c2.6\u8282\u63d0\u4f9b\u4e86\u5173\u4e8e\u5a92\u4f53\u8f6c\u53d1\u4e0eRFC2833\u4ea4\u4e92\u7684\u91cd\u8981\u89c4\u5219\uff0c\u8fd9\u662fVOS3000\u8f6c\u7801 DTMF\u914d\u7f6e\u4e2d\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u4f46\u53c8\u6700\u5173\u952e\u7684\u5185\u5bb9\u3002\u6587\u6863\u539f\u6587\u6307\u51fa\uff1a<\/p>\n\n\n\n<p>&#8220;\u5982\u679c\u5f00\u4e86\u5a92\u4f53\u8f6c\u53d1\uff0c\u90a3\u4e48\u6536\u5230\u8fdc\u7aef\u7684SDP\u4e2dRFC2833 payload\u548c0-16\u6309\u952e\u652f\u6301\u7c7b\u578b\u7531VOS\u7ec8\u7ed3\uff0c\u7136\u540e\u7531VOS\u6574\u5408\u540e\u5c06VOS DTMF\u4e2d\u8bbe\u5b9a\u7684\u503c\u53d1\u9001\u7ed9\u5bf9\u7aef\u3002\u4e3e\u4f8b\uff1a\u5f00\u5a92\u4f53\u8f6c\u53d1\u540e\uff0c\u88ab\u53eb\u53d1\u4e86payload 105 0-15\uff0cVOS\u53d1\u7ed9\u4e3b\u53eb\u9ed8\u8ba4\u503c\u4e3apayload 101 0-16\u3002\u4e0d\u5f00\u5a92\u4f53\u8f6c\u53d1\u5219\u900f\u4f20RFC2833\u6d88\u606f\u3002&#8221;<\/p>\n\n\n\n<p>\u8fd9\u6bb5\u8bdd\u7684\u542b\u4e49\u662f\uff1a\u5f53\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\u65f6\uff0cVOS3000\u4f1a\u7ec8\u7ed3\uff08\u7ec8\u6b62\uff09\u4ece\u8fdc\u7aef\u6536\u5230\u7684RFC2833 SDP\u53c2\u6570\uff0c\u5305\u62ecPayload\u503c\u548c\u6309\u952e\u8303\u56f4\uff0c\u7136\u540e\u7528VOS 3000\u81ea\u8eabDTMF\u914d\u7f6e\u4e2d\u8bbe\u5b9a\u7684\u503c\u91cd\u65b0\u6784\u5efaSDP\u53d1\u9001\u7ed9\u5bf9\u7aef\u3002\u8fd9\u786e\u4fdd\u4e86VOS3000\u5bf9RFC2833 DTMF\u6709\u5b8c\u5168\u7684\u63a7\u5236\u6743\uff0c\u53ef\u4ee5\u6839\u636e\u4e24\u4fa7\u7f51\u5173\u7684\u914d\u7f6e\u72ec\u7acb\u8c03\u6574Payload\u503c\u548c\u6309\u952e\u8303\u56f4\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f \u5a92\u4f53\u8f6c\u53d1\u72b6\u6001<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd35 RFC2833 Payload<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb \u6309\u952e\u8303\u56f4<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcdd \u884c\u4e3a\u8bf4\u660e<\/th><\/tr><tr><td>\u2705 \u5a92\u4f53\u8f6c\u53d1\u5f00\u542f<\/td><td>VOS\u7ec8\u7ed3\u8fdc\u7aef\u503c\uff0c\u7528VOS\u8bbe\u5b9a\u503c\u66ff\u6362<\/td><td>VOS\u7ec8\u7ed3\u8fdc\u7aef\u503c\uff0c\u7528VOS\u8bbe\u5b9a\u503c\u66ff\u6362<\/td><td>\u5b8c\u5168\u63a7\u5236\uff0c\u4f8b\uff1a\u88ab\u53eb\u53d1105 0-15\u2192VOS\u53d1101 0-16<\/td><\/tr><tr><td>\u274c \u5a92\u4f53\u8f6c\u53d1\u5173\u95ed<\/td><td>\u76f4\u63a5\u900f\u4f20\u539f\u59cb\u503c<\/td><td>\u76f4\u63a5\u900f\u4f20\u539f\u59cb\u503c<\/td><td>VOS\u4e0d\u5e72\u9884\uff0c\u4e24\u4fa7\u76f4\u63a5\u534f\u5546<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5a92\u4f53\u8f6c\u53d1\u7684\u63a7\u5236\u53c2\u6570\u662fSS_MEDIAPROXYMODE\uff0c\u5176\u53ef\u9009\u503c\u5305\u62ecOn\uff08\u59cb\u7ec8\u5f00\u542f\uff09\u3001Off\uff08\u5173\u95ed\uff09\u3001Auto\uff08\u81ea\u52a8\u5224\u65ad\uff09\u3001Must On\uff08\u5f3a\u5236\u5f00\u542f\uff09\u3002\u5728\u8f6c\u7801\u573a\u666f\u4e0b\uff0c\u5fc5\u987b\u8bbe\u7f6e\u4e3aOn\u6216Must On\uff0c\u5426\u5219\u8f6c\u7801\u548cDTMF\u8f6c\u6362\u90fd\u65e0\u6cd5\u6267\u884c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f \u53c2\u6570\u503c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb \u8bf4\u660e<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83c\udfaf \u9002\u7528\u573a\u666f<\/th><\/tr><tr><td>On<\/td><td>\u5a92\u4f53\u8f6c\u53d1\u59cb\u7ec8\u5f00\u542f<\/td><td>\u8f6c\u7801\u3001DTMF\u8f6c\u6362\u5fc5\u9009<\/td><\/tr><tr><td>Off<\/td><td>\u5a92\u4f53\u8f6c\u53d1\u5173\u95ed<\/td><td>\u65e0\u9700\u8f6c\u7801\u3001DTMF\u900f\u4f20<\/td><\/tr><tr><td>Auto<\/td><td>\u81ea\u52a8\u5224\u65ad\u662f\u5426\u9700\u8981\u5a92\u4f53\u8f6c\u53d1<\/td><td>\u6df7\u5408\u573a\u666f\uff0c\u4e00\u822c\u4f7f\u7528<\/td><\/tr><tr><td>Must On<\/td><td>\u5f3a\u5236\u5f00\u542f\u5a92\u4f53\u8f6c\u53d1<\/td><td>\u786e\u4fdd\u5a92\u4f53\u8f6c\u53d1\u4e0d\u88ab\u5173\u95ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"vos-3000-\u8f6c\u7801-dtmf-\u91cd\u8981\u6ce8\u610f\u4e8b\u9879\">VOS3000 \u8f6c\u7801 DTMF \u91cd\u8981\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<p>VOS3000_transcode.pdf\u7b2c2.6\u8282\u5217\u51fa\u4e86\u51e0\u6761\u5173\u952e\u6ce8\u610f\u4e8b\u9879\uff0c\u6bcf\u4e00\u6761\u90fd\u53ef\u80fd\u76f4\u63a5\u5f71\u54cd\u60a8\u7684VOS3000 \u8f6c\u7801 DTMF\u914d\u7f6e\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\u4e00\uff1aVOS\u53ea\u8bc6\u522b\u7b2c\u4e00\u4e2aDTMF\u7c7b\u578b\u3002<\/strong>\u5f53\u8fdc\u7aef\u540c\u65f6\u53d1\u9001SIP INFO\u548cRFC2833\u65f6\uff0cVOS3000\u53ea\u4f1a\u8bc6\u522b\u7b2c\u4e00\u4e2a\u68c0\u6d4b\u5230\u7684\u6309\u952e\u7c7b\u578b\uff0c\u4e4b\u540e\u6240\u6709\u4e0d\u540c\u6309\u952e\u7c7b\u578b\u4e0d\u505a\u4efb\u4f55\u8bc6\u522b\u5904\u7406\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u7b2c\u4e00\u6b21\u6309\u952e\u4ee5RFC2833\u65b9\u5f0f\u5230\u8fbe\uff0c\u540e\u7eed\u5373\u4f7f\u540c\u4e00\u6309\u952e\u4ee5SIP INFO\u65b9\u5f0f\u5230\u8fbe\u4e5f\u4f1a\u88ab\u5ffd\u7565\u3002\u8bbe\u7f6eDTMF\u63a5\u6536\u4e3a&#8221;\u5168\u90e8&#8221;\u53ef\u4ee5\u6fc0\u6d3b\u8fd9\u4e2a\u9996\u6b21\u9501\u5b9a\u673a\u5236\uff0c\u6709\u6548\u9632\u6b62\u91cd\u590d\u6309\u952e\u95ee\u9898\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\u4e8c\uff1aInband\u900f\u4f20\u7684\u5c40\u9650\u6027\u3002<\/strong>\u82e5\u5bf9\u7aef\u52fe\u9009\u4e86&#8221;\u5a92\u4f53\u5305\u542b\u5e26\u5185Inband&#8221;\u5e76\u53d1\u9001\u4e86Inband DTMF\uff0c\u800c\u8fdc\u7aef\u8bbe\u7f6e\u4e86\u4f7f\u7528SIP INFO\u6216RFC2833\u53d1\u9001\uff0c\u5219VOS\u65e0\u6cd5\u5bf9Inband\u505a\u5904\u7406\uff0c\u53ea\u80fd\u505a\u8bc6\u522b\u5e76\u900f\u4f20\uff0c\u7136\u540e\u518d\u989d\u5916\u53d1\u9001\u4e00\u4e2aSIP INFO\u6216RFC2833\u7ed9\u8fdc\u7aef\u3002\u8fd9\u8868\u660eInband DTMF\u5728\u8f6c\u7801\u573a\u666f\u4e0b\u5b58\u5728\u900f\u4f20\u9650\u5236\uff0cVOS3000\u65e0\u6cd5\u5c06Inband\u5b8c\u5168\u8f6c\u6362\u4e3aRFC2833\u6216SIP INFO\u3002<\/p>\n\n\n\n<p><strong>\u6ce8\u610f\u4e09\uff1aRFC2833\/SIP INFO\u8f6cInband\u3002<\/strong>\u82e5\u5bf9\u7aef\u53d1\u9001\u4e86RFC2833\u6216SIP INFO\uff0c\u800c\u8fdc\u7aef\u8bbe\u7f6e\u4e86&#8221;\u9700\u4f7f\u7528\u5e26\u5185Inband\u53d1\u9001&#8221;\uff0c\u5219VOS3000\u4f1a\u5c06RFC2833\u6216SIP INFO\u4e22\u5f03\uff0c\u5e76\u8f6c\u6210Inband\u53d1\u7ed9\u8fdc\u7aef\u3002\u8fd9\u5728G729\u7f16\u7801\u4e0b\u4f1a\u5bfc\u81f4DTMF\u5931\u771f\uff0c\u52a1\u5fc5\u8c28\u614e\u4f7f\u7528\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u26a0\ufe0f \u573a\u666f<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb VOS3000\u884c\u4e3a<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udca1 \u5efa\u8bae<\/th><\/tr><tr><td>\u8fdc\u7aef\u540c\u65f6\u53d1SIP INFO + RFC2833<\/td><td>\u4ec5\u8bc6\u522b\u7b2c\u4e00\u4e2aDTMF\u7c7b\u578b<\/td><td>DTMF\u63a5\u6536\u8bbe\u4e3a&#8221;\u5168\u90e8&#8221;<\/td><\/tr><tr><td>\u5bf9\u7aef\u53d1Inband + \u8fdc\u7aef\u7528RFC2833\/SIP INFO<\/td><td>Inband\u900f\u4f20 + \u989d\u5916\u53d1RFC2833\/SIP INFO<\/td><td>\u5c3d\u91cf\u907f\u514d\uff0c\u53ef\u80fd\u4ea7\u751f\u91cd\u590d<\/td><\/tr><tr><td>\u5bf9\u7aef\u53d1RFC2833\/SIP INFO + \u8fdc\u7aef\u7528Inband<\/td><td>\u4e22\u5f03RFC2833\/SIP INFO\uff0c\u8f6cInband<\/td><td>G729\u4e0bInband\u5931\u771f\uff0c\u4e0d\u63a8\u8350<\/td><\/tr><tr><td>\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f + Payload\u4e0d\u4e00\u81f4<\/td><td>VOS\u7ec8\u7ed3\u5e76\u66ff\u6362Payload\u548c\u6309\u952e\u8303\u56f4<\/td><td>\u786e\u4fddVOS DTMF\u914d\u7f6e\u503c\u6b63\u786e<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd17-\u76f8\u5173\u8d44\u6e90\">\ud83d\udd17 \u76f8\u5173\u8d44\u6e90<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udcd6 <a href=\"https:\/\/multahost.com\/blog\/vos3000-codec-g729-transcoding\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000 G729\u7f16\u7801\u8f6c\u6362\u914d\u7f6e\u4e13\u9898\u6559\u7a0b<\/a><\/li>\n\n\n\n<li>\ud83d\udcd6 <a href=\"https:\/\/multahost.com\/blog\/vos3000-sip-call\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000 SIP\u547c\u53eb\u914d\u7f6e\u4e0eDTMF\u8bbe\u7f6e\u6307\u5357<\/a><\/li>\n\n\n\n<li>\ud83d\udce5 <a href=\"https:\/\/www.vos3000.com\/downloads.php\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000\u5b98\u65b9\u4e0b\u8f7d \u2014 \u624b\u518c\u4e0e\u8f6f\u4ef6<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-vos-3000-\u8f6c\u7801\u65f6dtmf\u6309\u952e\u4e3a\u4ec0\u4e48\u65e0\u54cd\u5e94\uff1f\">\u2753 VOS3000\u8f6c\u7801\u65f6DTMF\u6309\u952e\u4e3a\u4ec0\u4e48\u65e0\u54cd\u5e94\uff1f<\/h3>\n\n\n\n<p>VOS3000\u8f6c\u7801 DTMF\u6309\u952e\u65e0\u54cd\u5e94\u901a\u5e38\u6709\u4e09\u4e2a\u539f\u56e0\u3002\u7b2c\u4e00\uff0c\u5a92\u4f53\u8f6c\u53d1\u672a\u5f00\u542f\uff0cVOS3000\u65e0\u6cd5\u62e6\u622a\u548c\u8f6c\u6362DTMF\u4fe1\u53f7\u3002\u7b2c\u4e8c\uff0c&#8221;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\u88ab\u52fe\u9009\uff0c\u4f46\u5bf9\u7aef\u6ca1\u6709\u53d1\u9001RFC2833\u80fd\u529b\uff0c\u5bfc\u81f4VOS3000\u4e5f\u4e0d\u5411\u8fdc\u7aef\u901a\u544aRFC2833\u652f\u6301\u3002\u7b2c\u4e09\uff0cDTMF\u63a5\u6536\u8bbe\u7f6e\u8fc7\u4e8e\u9650\u5236\uff0c\u4ec5\u63a5\u6536\u5355\u4e00\u65b9\u5f0f\u800c\u8fdc\u7aef\u4f7f\u7528\u4e86\u53e6\u4e00\u79cd\u65b9\u5f0f\u3002\u89e3\u51b3\u65b9\u6848\u662f\u786e\u4fdd\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\uff0c\u4e0d\u52fe\u9009&#8221;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\uff0c\u5e76\u5c06DTMF\u63a5\u6536\u8bbe\u4e3a&#8221;\u5168\u90e8&#8221;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-pcm-a\u8f6c-g-729-\u540e-inband-dtmf\u4e3a\u4ec0\u4e48\u4f1a\u5931\u771f\uff1f\">\u2753 PCMA\u8f6cG729\u540eInband DTMF\u4e3a\u4ec0\u4e48\u4f1a\u5931\u771f\uff1f<\/h3>\n\n\n\n<p>Inband DTMF\u5c06\u53cc\u97f3\u591a\u9891\u4fe1\u53f7\u4f5c\u4e3a\u5b9e\u9645\u97f3\u9891\u5d4c\u5165RTP\u8bed\u97f3\u6d41\u4e2d\u3002G729\u662f\u4f4e\u7801\u7387\u538b\u7f29\u7f16\u7801\uff088kbps\uff09\uff0c\u5176\u538b\u7f29\u7b97\u6cd5\u4f1a\u5bf9\u97f3\u9891\u4fe1\u53f7\u8fdb\u884c\u6709\u635f\u538b\u7f29\uff0c\u5bfc\u81f4DTMF\u53cc\u97f3\u591a\u9891\u4fe1\u53f7\u7684\u9891\u7387\u7279\u5f81\u88ab\u7834\u574f\uff0c\u63a5\u6536\u7aef\u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u6309\u952e\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48VOS3000\u8f6c\u7801 DTMF\u573a\u666f\u4e0b\u5fc5\u987b\u4f7f\u7528RFC2833\u6216SIP INFO\uff0c\u800c\u4e0d\u80fd\u4f9d\u8d56Inband\u7684\u539f\u56e0\u3002RFC2833\u5c06DTMF\u4f5c\u4e3a\u72ec\u7acbRTP\u4e8b\u4ef6\u4f20\u8f93\uff0c\u5b8c\u5168\u4e0d\u53d7\u7f16\u7801\u538b\u7f29\u5f71\u54cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u5982\u4f55\u914d\u7f6e-vos-3000-\u8ba9\u4e24\u4fa7\u4f7f\u7528\u4e0d\u540c\u7684-rfc-2833-payload\u503c\uff1f\">\u2753 \u5982\u4f55\u914d\u7f6eVOS3000\u8ba9\u4e24\u4fa7\u4f7f\u7528\u4e0d\u540c\u7684RFC2833 Payload\u503c\uff1f<\/h3>\n\n\n\n<p>\u5f53\u5a92\u4f53\u8f6c\u53d1\u5f00\u542f\u65f6\uff0cVOS3000\u4f1a\u7ec8\u7ed3\u8fdc\u7aefSDP\u4e2d\u7684RFC2833 Payload\u503c\u548c\u6309\u952e\u8303\u56f4\uff0c\u7136\u540e\u7528VOS3000 DTMF\u914d\u7f6e\u4e2d\u8bbe\u5b9a\u7684\u503c\u53d1\u9001\u7ed9\u5bf9\u7aef\u3002\u4f8b\u5982\uff0c\u88ab\u53eb\u4fa7\u53d1\u9001Payload 105\u548c\u6309\u952e0-15\uff0cVOS3000\u4f1a\u5c06\u5176\u7ec8\u7ed3\uff0c\u7136\u540e\u5411\u4e3b\u53eb\u4fa7\u53d1\u9001VOS3000\u9ed8\u8ba4\u7684Payload 101\u548c\u6309\u952e0-16\u3002\u60a8\u53ea\u9700\u8981\u5728VOS3000\u7684DTMF\u914d\u7f6e\u4e2d\u8bbe\u7f6e\u6b63\u786e\u7684Payload\u503c\uff0cVOS3000\u4f1a\u81ea\u52a8\u5904\u7406\u4e24\u4fa7\u7684\u6620\u5c04\u3002\u5982\u679c\u5a92\u4f53\u8f6c\u53d1\u5173\u95ed\uff0c\u5219RFC2833\u6d88\u606f\u76f4\u63a5\u900f\u4f20\uff0c\u4e24\u4fa7Payload\u503c\u5fc5\u987b\u4e00\u81f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u4f7f\u7528\u5bf9\u7aef-rfc-2833-\u80fd\u529b-\u5e94\u8be5\u52fe\u9009\u8fd8\u662f\u4e0d\u52fe\u9009\uff1f\">\u2753 &#8220;\u4f7f\u7528\u5bf9\u7aefRFC2833\u80fd\u529b&#8221;\u5e94\u8be5\u52fe\u9009\u8fd8\u662f\u4e0d\u52fe\u9009\uff1f<\/h3>\n\n\n\n<p>\u5728VOS3000\u8f6c\u7801 DTMF\u573a\u666f\u4e2d\uff0c\u5efa\u8bae\u4e0d\u52fe\u9009\u6b64\u9009\u9879\u3002\u4e0d\u52fe\u9009\u65f6\uff0c\u5373\u4f7f\u5bf9\u7aef\u6ca1\u6709\u53d1\u9001RFC2833\u80fd\u529b\uff0cVOS3000\u4e5f\u4f1a\u81ea\u52a8\u751f\u6210SDP\u4e2d\u7684RFC2833\u5b57\u6bb5\u53d1\u9001\u7ed9\u8fdc\u7aef\uff0c\u786e\u4fdd\u8fdc\u7aef\u8bbe\u5907\u77e5\u9053\u53ef\u4ee5\u4f7f\u7528RFC2833\u4f20\u9012DTMF\u3002\u52fe\u9009\u5219\u610f\u5473\u7740VOS3000\u5b8c\u5168\u8ddf\u968f\u5bf9\u7aef\u7684RFC2833\u80fd\u529b\uff0c\u5982\u679c\u5bf9\u7aef\u4e0d\u652f\u6301RFC2833\uff0cVOS3000\u4e5f\u4e0d\u5411\u8fdc\u7aef\u901a\u544a\uff0c\u53ef\u80fd\u5bfc\u81f4DTMF\u4f20\u9012\u5931\u8d25\u3002\u4ec5\u5728\u5bf9\u7aef\u8bbe\u5907\u80fd\u529b\u5b8c\u5168\u786e\u5b9a\u4e14\u4e24\u4fa7RFC2833\u652f\u6301\u4e00\u81f4\u65f6\u624d\u9002\u5408\u52fe\u9009\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u8fdc\u7aef\u540c\u65f6\u53d1\u9001sip-inf-o\u548c-rfc-2833-\u4f1a\u600e\u6837\uff1f\">\u2753 \u8fdc\u7aef\u540c\u65f6\u53d1\u9001SIP INFO\u548cRFC2833\u4f1a\u600e\u6837\uff1f<\/h3>\n\n\n\n<p>\u6839\u636eVOS3000_transcode.pdf\u7b2c2.6\u8282\uff0c\u5f53\u8fdc\u7aef\u540c\u65f6\u53d1\u9001SIP INFO\u548cRFC2833\u65f6\uff0cVOS3000\u53ea\u4f1a\u8bc6\u522b\u7b2c\u4e00\u4e2a\u68c0\u6d4b\u5230\u7684\u6309\u952e\u7c7b\u578b\uff0c\u4e4b\u540e\u6240\u6709\u4e0d\u540c\u6309\u952e\u7c7b\u578b\u4e0d\u505a\u4efb\u4f55\u8bc6\u522b\u5904\u7406\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7b2c\u4e00\u6b21\u6309\u952e\u4ee5RFC2833\u65b9\u5f0f\u5230\u8fbeVOS3000\uff0c\u5219\u8be5\u901a\u8bdd\u540e\u7eed\u53ea\u5904\u7406RFC2833\u65b9\u5f0f\u7684DTMF\uff0cSIP INFO\u65b9\u5f0f\u7684DTMF\u4f1a\u88ab\u5ffd\u7565\u3002\u8fd9\u79cd\u9996\u6b21\u9501\u5b9a\u673a\u5236\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u540c\u4e00\u6309\u952e\u88ab\u91cd\u590d\u8bc6\u522b\u7684\u95ee\u9898\u3002\u5efa\u8bae\u5c06DTMF\u63a5\u6536\u8bbe\u4e3a&#8221;\u5168\u90e8&#8221;\u4ee5\u6fc0\u6d3b\u6b64\u673a\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-vos-3000-\u8f6c\u7801\u9700\u8981\u591a\u5c11\u670d\u52a1\u5668\u8d44\u6e90\uff1f\">\u2753 VOS3000\u8f6c\u7801\u9700\u8981\u591a\u5c11\u670d\u52a1\u5668\u8d44\u6e90\uff1f<\/h3>\n\n\n\n<p>VOS3000\u8f6c\u7801\u662fCPU\u5bc6\u96c6\u578b\u64cd\u4f5c\uff0c\u6bcf\u4e2a\u8f6c\u7801\u901a\u8bdd\u9700\u8981\u5b9e\u65f6\u89e3\u7801\u548c\u91cd\u65b0\u7f16\u7801\u8bed\u97f3\u6d41\u3002PCMA\u8f6cG729\u7684CPU\u6d88\u8017\u9ad8\u4e8ePCMA\u8f6cPCMU\u3002\u5b9e\u9645\u8d44\u6e90\u9700\u6c42\u53d6\u51b3\u4e8e\u5e76\u53d1\u8f6c\u7801\u901a\u8bdd\u6570\u91cf\uff1a\u901a\u5e38\u4e00\u9897\u73b0\u4ee3Xeon\u6838\u5fc3\u53ef\u5904\u7406\u7ea6100-200\u8defG729\u8f6c\u7801\u901a\u8bdd\u3002\u5efa\u8bae\u5728\u90e8\u7f72\u8f6c\u7801\u524d\u8fdb\u884c\u8d1f\u8f7d\u6d4b\u8bd5\uff0c\u786e\u4fdd\u670d\u52a1\u5668CPU\u4f59\u91cf\u5145\u8db3\u3002\u540c\u65f6SS_MEDIAPROXYMODE\u5fc5\u987b\u8bbe\u7f6e\u4e3aOn\u6216Must On\uff0c\u56e0\u4e3a\u8f6c\u7801\u4f9d\u8d56\u5a92\u4f53\u8f6c\u53d1\u529f\u80fd\u62e6\u622aRTP\u6d41\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-vos-3000-\u8f6c\u7801dtmf\u914d\u7f6e\u540e\u5982\u4f55\u9a8c\u8bc1\uff1f\">\u2753 VOS 3000\u8f6c\u7801DTMF\u914d\u7f6e\u540e\u5982\u4f55\u9a8c\u8bc1\uff1f<\/h3>\n\n\n\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u5efa\u8bae\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u9a8c\u8bc1\uff1a\u9996\u5148\u62e8\u6253\u6d4b\u8bd5\u7535\u8bdd\uff0c\u5728\u901a\u8bdd\u4e2d\u6309\u6570\u5b57\u952e\u6d4b\u8bd5IVR\u54cd\u5e94\uff1b\u7136\u540e\u67e5\u770bVOS3000\u5f53\u524d\u901a\u8bdd\u754c\u9762\uff0c\u786e\u8ba4&#8221;\u4e3b\u53ebDTMF&#8221;\u548c&#8221;\u88ab\u53ebDTMF&#8221;\u5217\u663e\u793a\u7684\u6a21\u5f0f\u4e0e\u9884\u671f\u4e00\u81f4\uff1b\u6700\u540e\u7528SIP\u6293\u5305\u5de5\u5177\uff08\u5982tcpdump\u6216ngrep\uff09\u68c0\u67e5SDP\u534f\u5546\u4e2d\u7684a=rtpmap\u884c\uff0c\u786e\u8ba4RFC2833 Payload\u503c\u6b63\u786e\u3002\u5982\u679c\u6d4b\u8bd5\u4e2d\u4ecd\u5b58\u5728\u95ee\u9898\uff0c\u8bf7\u8054\u7cfb\u6211\u4eec\u7684\u6280\u672f\u56e2\u961f\u901a\u8fc7WhatsApp\uff1a<strong>+8801911119966<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u83b7\u53d6\u4e13\u4e1a-vos-3000-\u8f6c\u7801\u914d\u7f6e\u670d\u52a1\">\u83b7\u53d6\u4e13\u4e1aVOS3000\u8f6c\u7801\u914d\u7f6e\u670d\u52a1<\/h2>\n\n\n\n<p>VOS3000\u8f6c\u7801 DTMF\u914d\u7f6e\u6d89\u53ca\u7f16\u7801\u534f\u5546\u3001DTMF\u65b9\u5f0f\u9009\u62e9\u3001Payload\u53c2\u6570\u8bbe\u7f6e\u3001\u5a92\u4f53\u8f6c\u53d1\u4ea4\u4e92\u7b49\u591a\u4e2a\u6280\u672f\u73af\u8282\uff0c\u4efb\u4f55\u4e00\u4e2a\u73af\u8282\u914d\u7f6e\u4e0d\u5f53\u90fd\u53ef\u80fd\u5bfc\u81f4\u901a\u8bdd\u5931\u8d25\u6216IVR\u6309\u952e\u65e0\u6548\u3002\u6211\u4eec\u7684VOS3000\u4e13\u4e1a\u56e2\u961f\u62e5\u6709\u4e30\u5bcc\u7684\u8f6c\u7801\u90e8\u7f72\u7ecf\u9a8c\uff0c\u80fd\u591f\u4e3a\u60a8\u7684VoIP\u5e73\u53f0\u63d0\u4f9b\u5b8c\u6574\u7684\u8f6c\u7801\u548cDTMF\u914d\u7f6e\u670d\u52a1\uff0c\u786e\u4fdd\u8de8\u7f16\u7801\u901a\u8bdd\u548c\u6309\u952e\u4ea4\u4e92\u5b8c\u7f8e\u8fd0\u884c\u3002<\/p>\n\n\n\n<p><strong>\ud83d\udcf1 \u8054\u7cfb\u6211\u4eec WhatsApp\uff1a+8801911119966<\/strong><\/p>\n\n\n\n<p>\u65e0\u8bba\u60a8\u662f\u521d\u6b21\u90e8\u7f72VOS3000\u8f6c\u7801\u529f\u80fd\uff0c\u8fd8\u662f\u5728\u73b0\u6709\u5e73\u53f0\u4e0a\u6392\u67e5DTMF\u95ee\u9898\uff0c\u6211\u4eec\u90fd\u80fd\u63d0\u4f9b\u5feb\u901f\u3001\u4e13\u4e1a\u7684\u8fdc\u7a0b\u6280\u672f\u652f\u6301\u3002\u4ece\u5bf9\u63a5\u7f51\u5173\u7f16\u7801\u8bbe\u7f6e\u5230\u843d\u5730\u7f51\u5173DTMF\u53c2\u6570\u8c03\u4f18\uff0c\u4eceRFC2833 Payload\u914d\u7f6e\u5230\u5a92\u4f53\u8f6c\u53d1\u7b56\u7565\u5236\u5b9a\uff0c\u6211\u4eec\u4e00\u7ad9\u5f0f\u89e3\u51b3\u6240\u6709VOS3000\u8f6c\u7801DTMF\u76f8\u5173\u6280\u672f\u96be\u9898\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcde-need-call-center-setup-support\">\ud83d\udcde Need Professional VOS3000 Setup Support?<\/h2>\n\n\n\n<p>For professional VOS3000 installations and deployment, VOS3000 Server Rental Solution:<\/p>\n\n\n\n<p>\ud83d\udcf1 <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8801911119966\" target=\"_blank\" rel=\"noopener\">+8801911119966<\/a><br>\ud83c\udf10 <strong>Website:<\/strong> <a href=\"https:\/\/www.vos3000.com\">www.vos3000.com<\/a><br>\ud83c\udf10 <strong>Blog:<\/strong> <a href=\"https:\/\/multahost.com\/blog\" target=\"_blank\" rel=\"noopener\">multahost.com\/blog<\/a><br>\ud83d\udce5 <strong>Downloads:<\/strong> <a href=\"https:\/\/www.vos3000.com\/downloads.php\">VOS3000 Downloads<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><img decoding=\"async\" src=\"https:\/\/www.vos3000.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-\u670d\u52a1\u5668\u8fc1\u79fb-VOS3000-\u8d1f\u4f59\u989d\u963b\u65ad-VOS3000-\u8f6c\u7801-DTMF-VOS3000-\u6302\u65ad\u539f\u56e0-503-VOS3000-\u65f6\u95f4\u8def\u7531-3-1024x683.png\" alt=\"VOS3000 \u670d\u52a1\u5668\u8fc1\u79fb, VOS3000 \u8d1f\u4f59\u989d\u963b\u65ad, VOS3000 \u8f6c\u7801 DTMF, VOS3000 \u6302\u65ad\u539f\u56e0 503, VOS3000 \u65f6\u95f4\u8def\u7531\"><\/td><td><img decoding=\"async\" src=\"https:\/\/www.vos3000.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-\u670d\u52a1\u5668\u8fc1\u79fb-VOS3000-\u8d1f\u4f59\u989d\u963b\u65ad-VOS3000-\u8f6c\u7801-DTMF-VOS3000-\u6302\u65ad\u539f\u56e0-503-VOS3000-\u65f6\u95f4\u8def\u7531-3-1024x683.png\" alt=\"VOS3000 \u670d\u52a1\u5668\u8fc1\u79fb, VOS3000 \u8d1f\u4f59\u989d\u963b\u65ad, VOS3000 \u8f6c\u7801 DTMF, VOS3000 \u6302\u65ad\u539f\u56e0 503, VOS3000 \u65f6\u95f4\u8def\u7531\"><\/td><td><img decoding=\"async\" src=\"https:\/\/www.vos3000.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-\u670d\u52a1\u5668\u8fc1\u79fb-VOS3000-\u8d1f\u4f59\u989d\u963b\u65ad-VOS3000-\u8f6c\u7801-DTMF-VOS3000-\u6302\u65ad\u539f\u56e0-503-VOS3000-\u65f6\u95f4\u8def\u7531-3-1024x683.png\" alt=\"VOS3000 \u670d\u52a1\u5668\u8fc1\u79fb, VOS3000 \u8d1f\u4f59\u989d\u963b\u65ad, VOS3000 \u8f6c\u7801 DTMF, VOS3000 \u6302\u65ad\u539f\u56e0 503, VOS3000 \u65f6\u95f4\u8def\u7531\"><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>VOS3000 \u8f6c\u7801 DTMF \u914d\u7f6e\u6307\u5357\uff1aG729\u7f16\u7801\u8f6c\u6362\u3001RFC2833\u4e0eSIP INFO\u53cc\u97f3\u591a\u9891\u8bbe\u7f6e\u3001DTMF\u900f\u4f20\u4e0ePayload\u914d\u7f6e\u5b8c\u6574\u6559\u7a0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":1165,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kadence_starter_templates_imported_post":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[5742,5490,5491,5731,5730,5710,5705,5749,5745,5734,5725,5720,5713,5743,5488,5729,5727,5712,5726,5708,5732,5733,5518,5711,5719,5740,5717,5736,5738,5723,5709,5737,5718,5746,5722,5728,5739,5721,5714,5751,5716,5741,5750,5707,5735,5744,5748,5747,5724,5706,5715],"class_list":{"0":"post-1172","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-vos3000","8":"tag-vos3000-2-1-9","9":"tag-vos3000-dtmf-payload","10":"tag-vos3000-dtmf-relay","11":"tag-vos3000-dtmf-","15":"tag-vos3000-dtmf","18":"tag-vos3000-g723-","19":"tag-vos3000-g729-","21":"tag-vos3000-g729a","22":"tag-vos3000-inband-dtmf","23":"tag-vos3000-ivr-","24":"tag-vos3000-pcma-","25":"tag-vos3000-pcmag729","26":"tag-vos3000-pcmu-","27":"tag-vos3000-rfc2833-","28":"tag-vos3000-rfc2833","29":"tag-vos3000-rtpmap-","30":"tag-vos3000-sdp-dtmf","31":"tag-vos3000-sip-info-","32":"tag-vos3000-telephone-event-2","33":"tag-vos3000-voip","34":"tag-vos3000-","36":"tag-vos3000--dtmf"},"acf":[],"jetpack_featured_media_url":"https:\/\/www.vos3000.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-\u670d\u52a1\u5668\u8fc1\u79fb-VOS3000-\u8d1f\u4f59\u989d\u963b\u65ad-VOS3000-\u8f6c\u7801-DTMF-VOS3000-\u6302\u65ad\u539f\u56e0-503-VOS3000-\u65f6\u95f4\u8def\u7531-2.png","blog_post_layout_featured_media_urls":{"thumbnail":["https:\/\/www.vos3000.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-\u670d\u52a1\u5668\u8fc1\u79fb-VOS3000-\u8d1f\u4f59\u989d\u963b\u65ad-VOS3000-\u8f6c\u7801-DTMF-VOS3000-\u6302\u65ad\u539f\u56e0-503-VOS3000-\u65f6\u95f4\u8def\u7531-2-150x150.png",150,150,true],"full":["https:\/\/www.vos3000.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-\u670d\u52a1\u5668\u8fc1\u79fb-VOS3000-\u8d1f\u4f59\u989d\u963b\u65ad-VOS3000-\u8f6c\u7801-DTMF-VOS3000-\u6302\u65ad\u539f\u56e0-503-VOS3000-\u65f6\u95f4\u8def\u7531-2.png",1536,1024,false]},"categories_names":{"2":{"name":"VOS3000`","link":"https:\/\/www.vos3000.com\/blog\/category\/vos3000\/"}},"tags_names":{"5742":{"name":"VOS3000 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