{"id":201,"date":"2022-10-03T15:45:45","date_gmt":"2022-10-03T06:45:45","guid":{"rendered":"https:\/\/03plus.net\/enterprise\/column\/?p=201"},"modified":"2026-03-05T18:19:07","modified_gmt":"2026-03-05T09:19:07","slug":"existing-pbx","status":"publish","type":"post","link":"https:\/\/03plus.net\/enterprise\/column\/existing-pbx\/","title":{"rendered":"\u30af\u30e9\u30a6\u30c9PBX\u3068\u65e2\u5b58PBX\u3092\u4f75\u7528\u3059\u308b\u306b\u306f\uff1f\u65b9\u6cd5\u3068\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac"},"content":{"rendered":"<p>\u30af\u30e9\u30a6\u30c9PBX\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3057\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u73fe\u5728\u4f7f\u3063\u3066\u3044\u308b\u30aa\u30f3\u30d7\u30ec\u30df\u30b9\u578bPBX\u306e\u30ea\u30fc\u30b9\u671f\u9593\u304c\u6b8b\u3063\u3066\u3044\u308b\u2026\u3068\u3044\u3046\u3053\u3068\u3067\u79fb\u884c\u3092\u65ad\u5ff5\u3057\u3066\u3044\u308b\u4f01\u696d\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u96fb\u8a71\u74b0\u5883\u3092\u4e00\u65b0\u3059\u308b\u3068\u3001\u4f7f\u3044\u6163\u308c\u306a\u3044\u793e\u54e1\u304c\u30c8\u30e9\u30d6\u30eb\u3092\u8d77\u3053\u3059\u306e\u3067\u306f\u2026\u3068\u3044\u3063\u305f\u4e0d\u5b89\u3092\u62b1\u3048\u3066\u3044\u308b\u62c5\u5f53\u8005\u3082\u3044\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u5b9f\u306f\u3001\u30af\u30e9\u30a6\u30c9\u3068\u65e2\u5b58\u306ePBX\u306f\u4f75\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u6bb5\u968e\u7684\u306b\u5c11\u3057\u305a\u3064\u79fb\u884c\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u30af\u30e9\u30a6\u30c9PBX\u3068\u65e2\u5b58PBX\u3092\u4f75\u7528\u3059\u308b\u65b9\u6cd5\u3001\u305d\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u65e2\u5b58PBX\u3068\u306e\u4f75\u7528\u304c\u3067\u304d\u308b\u304a\u3059\u3059\u3081\u306e\u30af\u30e9\u30a6\u30c9PBX\u30b5\u30fc\u30d3\u30b9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#PBXPBX\"><span class=\"toc_number toc_depth_1\">1<\/span> PBX\u3068\u30af\u30e9\u30a6\u30c9PBX<\/a><ul><li><a href=\"#PBX\"><span class=\"toc_number toc_depth_2\">1.1<\/span> PBX\u3068\u306f<\/a><\/li><li><a href=\"#PBX-2\"><span class=\"toc_number toc_depth_2\">1.2<\/span> \u30af\u30e9\u30a6\u30c9PBX\u3068\u306f<\/a><\/li><\/ul><\/li><li><a href=\"#PBXPBX-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u308b\uff1f<\/a><ul><li><a href=\"#i\"><span class=\"toc_number toc_depth_2\">2.1<\/span> \u4f75\u7528\u304c\u5fc5\u8981\u3068\u306a\u308b\u30b1\u30fc\u30b9\u3068\u306f<\/a><\/li><\/ul><\/li><li><a href=\"#PBXPBX-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u65b9\u6cd5<\/a><ul><li><a href=\"#VoIP\"><span class=\"toc_number toc_depth_2\">3.1<\/span> VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5229\u7528<\/a><\/li><li><a href=\"#SBC\"><span class=\"toc_number toc_depth_2\">3.2<\/span> SBC\u306e\u5229\u7528<\/a><\/li><li><a href=\"#LNPSIP\"><span class=\"toc_number toc_depth_2\">3.3<\/span> LNP\uff08\u56fa\u5b9a\u96fb\u8a71\u756a\u53f7\u30dd\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\uff09\u3068SIP\u30c8\u30e9\u30f3\u30af\u306e\u6d3b\u7528<\/a><\/li><\/ul><\/li><li><a href=\"#PBXPBX-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/a><ul><li><a href=\"#IP\"><span class=\"toc_number toc_depth_2\">4.1<\/span> \u65e2\u5b58\u306e\u30d3\u30b8\u30cd\u30b9\u30d5\u30a9\u30f3\u304cIP\u96fb\u8a71\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b<\/a><\/li><li><a href=\"#PBX-3\"><span class=\"toc_number toc_depth_2\">4.2<\/span> \u30b9\u30de\u30db\u306e\u5185\u7dda\u5316\u306a\u3069\u30af\u30e9\u30a6\u30c9PBX\u306e\u5f37\u307f\u3092\u751f\u304b\u305b\u308b<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_2\">4.3<\/span> \u5916\u7dda\u3078\u306e\u901a\u8a71\u6599\u91d1\u3092\u6291\u3048\u3089\u308c\u308b<\/a><\/li><li><a href=\"#PBX-4\"><span class=\"toc_number toc_depth_2\">4.4<\/span> \u30af\u30e9\u30a6\u30c9PBX\u3078\u3068\u5f90\u3005\u306b\u79fb\u884c\u3067\u304d\u308b<\/a><\/li><\/ul><\/li><li><a href=\"#PBXPBX-5\"><span class=\"toc_number toc_depth_1\">5<\/span> \u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8<\/a><ul><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_2\">5.1<\/span> \u8ffd\u52a0\u306e\u30b3\u30b9\u30c8\u3084\u624b\u9593\u304c\u304b\u304b\u308b<\/a><\/li><li><a href=\"#PBX-5\"><span class=\"toc_number toc_depth_2\">5.2<\/span> \u3075\u305f\u3064\u306ePBX\u306e\u5229\u7528\u6599\u91d1\u304c\u304b\u304b\u308b<\/a><\/li><\/ul><\/li><li><a href=\"#PBXPBX-6\"><span class=\"toc_number toc_depth_1\">6<\/span> \u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u306e\u4f75\u7528\u304b\u3089\u79fb\u884c\u307e\u3067\u306e\u624b\u9806<\/a><\/li><li><a href=\"#PBX-6\"><span class=\"toc_number toc_depth_1\">7<\/span> \u65e2\u5b58\u306ePBX\u3092\u64a4\u53bb\u3059\u308b\u5834\u5408\u3082\u6ce8\u610f\u304c\u5fc5\u8981<\/a><\/li><li><a href=\"#PBXPBX03plus\"><span class=\"toc_number toc_depth_1\">8<\/span> \u65e2\u5b58\u306ePBX\u3068\u306e\u4f75\u7528\u3082\u3067\u304d\u308b\u304a\u3059\u3059\u3081\u30af\u30e9\u30a6\u30c9PBX\u300c03plus\u300d<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">9<\/span> \u307e\u3068\u3081<\/a><\/li><\/ul><\/div>\n<h2 class=\"wp-block-heading\"><span id=\"PBXPBX\">PBX\u3068\u30af\u30e9\u30a6\u30c9PBX<\/span><\/h2>\n\n\n\n<p>\u30d3\u30b8\u30cd\u30b9\u30d5\u30a9\u30f3\u6a5f\u80fd\u3092\u5229\u7528\u3067\u304d\u308bPBX\u306b\u306f\u30a2\u30ca\u30ed\u30b0\u56de\u7dda\u3092\u4f7f\u7528\u3057\u305f\u5f93\u6765\u578b\u306e\u3082\u306e\u3068\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u3092\u4f7f\u7528\u3057\u305f\u30af\u30e9\u30a6\u30c9\u578b\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u3069\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308b\u306e\u304b\u3001\u7c21\u5358\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"PBX\">PBX\u3068\u306f<\/span><\/h3>\n\n\n\n<p>PBX\u3068\u306f\u300cPrivate Branch Exchange\u300d\u306e\u7565\u3067\u3001\u65e5\u672c\u8a9e\u3067\u306f\u300c\u96fb\u8a71\u4ea4\u63db\u6a5f\u300d\u3068\u306a\u308a\u3001\u4e3b\u88c5\u7f6e\u3068\u3082\u8a00\u308f\u308c\u307e\u3059\u3002\u30aa\u30d5\u30a3\u30b9\u5185\u306e\u96fb\u8a71\u56de\u7dda\u3068\u30a2\u30ca\u30ed\u30b0\u56de\u7dda\u3067\u3064\u306a\u304c\u308a\u3001\u5916\u7dda\u30fb\u5185\u7dda\u901a\u8a71\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306e\u88c5\u7f6e\u3067\u3059\u3002PBX\u306f\u4f7f\u7528\u3059\u308b\u30aa\u30d5\u30a3\u30b9\u5185\u306b\u8a2d\u7f6e\u3057\u3001\u5185\u7dda\u901a\u8a71\u3084\u4f1a\u793e\u96fb\u8a71\u756a\u53f7\u3092\u4f7f\u7528\u3057\u305f\u5916\u7dda\u3068\u3044\u3063\u305f\u901a\u8a71\u6a5f\u80fd\u306f\u3001\u30a2\u30ca\u30ed\u30b0\u56de\u7dda\u3067\u3064\u306a\u304c\u3063\u305f\u30aa\u30d5\u30a3\u30b9\u5185\u306e\u96fb\u8a71\u6a5f\u3067\u306e\u307f\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"PBX-2\">\u30af\u30e9\u30a6\u30c9PBX\u3068\u306f<\/span><\/h3>\n\n\n\n<p>\u30af\u30e9\u30a6\u30c9PBX\u306f\u5f93\u6765\u306ePBX\u3068\u7570\u306a\u308a\u3001\u4e3b\u88c5\u7f6e\u3092\u30af\u30e9\u30a6\u30c9\u4e0a\u306b\u8a2d\u7f6e\u3057\u3066\u5916\u7dda\u30fb\u5185\u7dda\u3068\u3044\u3063\u305f\u901a\u8a71\u6a5f\u80fd\u3092\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30a2\u30ca\u30ed\u30b0\u56de\u7dda\u3067\u306f\u306a\u304f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u30aa\u30d5\u30a3\u30b9\u5185\u3060\u3051\u3067\u306a\u304f\u5916\u51fa\u5148\u3067\u3082\u3001\u30a2\u30d7\u30ea\u3092\u5c0e\u5165\u3057\u305f\u30b9\u30de\u30db\u304b\u3089\u3067\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u4f1a\u793e\u4ee3\u8868\u756a\u53f7\u3092\u4f7f\u3063\u3066\u5916\u51fa\u5148\u3067\u3082\u767a\u7740\u4fe1\u3067\u304d\u308b\u305f\u3081\u3001\u5834\u6240\u306b\u3068\u3089\u308f\u308c\u305a\u3001\u3044\u3064\u3067\u3082\u3069\u3053\u3067\u3082\u96fb\u8a71\u696d\u52d9\u3092\u884c\u3048\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u5f93\u6765\u306ePBX\u306f\u96fb\u8a71\u6a5f\u80fd\u3060\u3051\u3067\u3057\u305f\u304c\u3001\u30af\u30e9\u30a6\u30c9PBX\u306f\u30af\u30e9\u30a6\u30c9\u3092\u6d3b\u7528\u3057\u305f\u30d3\u30b8\u30cd\u30b9\u306b\u5f79\u7acb\u3064\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u305d\u308c\u306b\u3088\u308a\u696d\u52d9\u52b9\u7387\u30a2\u30c3\u30d7\u3084\u30b3\u30b9\u30c8\u524a\u6e1b\u3092\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306b\u3082\u30b3\u30b9\u30c8\u3084\u624b\u9593\u3092\u304b\u3051\u305a\u306b\u5c0e\u5165\u3067\u304d\u308b\u70b9\u3084\u3001\u901a\u8a71\u6599\u91d1\u304c\u5168\u56fd\u4e00\u5f8b\u3067\u3042\u308b\u3068\u3044\u3063\u305f\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"PBXPBX-2\">\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u308b\uff1f<\/span><\/h2>\n\n\n\n<p>\u65e2\u5b58PBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u306e\u4f75\u7528\u306f\u3067\u304d\u308b\u306e\u304b\uff1f\u3068\u7591\u554f\u3092\u62b1\u3044\u3066\u3044\u308b\u65b9\u3082\u3044\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002\u7d50\u8ad6\u304b\u3089\u8a00\u3048\u3070\u3001\u4f75\u7528\u306f\u53ef\u80fd\u3067\u3059\u3002\u305d\u3082\u305d\u3082\u3001\u30af\u30e9\u30a6\u30c9PBX\u306f\u7269\u7406\u7684\u306aPBX\u88c5\u7f6e\u304c\u306a\u304f\u3066\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u3044\u3046\u6a5f\u5668\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u65e2\u5b58PBX\u3082\u305d\u306e\u307e\u307e\u4f7f\u3044\u7d9a\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"i\">\u4f75\u7528\u304c\u5fc5\u8981\u3068\u306a\u308b\u30b1\u30fc\u30b9\u3068\u306f<\/span><\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u3092\u4f7f\u7528\u3059\u308b\u30af\u30e9\u30a6\u30c9PBX\u306f\u3001\u30a2\u30ca\u30ed\u30b0\u56de\u7dda\u306ePBX\u306b\u306f\u306a\u3044\u3055\u307e\u3056\u307e\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5165\u308c\u66ff\u3048\u3092\u691c\u8a0e\u3059\u308b\u4f01\u696d\u3082\u5897\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u30b1\u30fc\u30b9\u306b\u3088\u3063\u3066\u306f\u30af\u30e9\u30a6\u30c9PBX\u3068\u5f93\u6765\u306ePBX\u306e\u4f75\u7528\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u30fb\u4f7f\u7528\u611f\u304c\u5909\u308f\u3063\u3066\u96fb\u8a71\u696d\u52d9\u304c\u6ede\u308b\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3001\u6bb5\u968e\u7684\u306b\u30af\u30e9\u30a6\u30c9PBX\u306b\u79fb\u884c\u3057\u3066\u3044\u304d\u305f\u3044\u30fb\u30b3\u30fc\u30eb\u30bb\u30f3\u30bf\u30fc\u306e\u6a5f\u80fd\u306e\u307f\u3092\u30af\u30e9\u30a6\u30c9PBX\u306b\u5bfe\u5fdc\u3055\u305b\u305f\u3044\u30fb\u65b0\u305f\u306b\u62e0\u70b9\u3092\u8a2d\u7acb\u4e88\u5b9a\u3067\u3001\u8a66\u9a13\u7684\u306b\u305d\u3053\u304b\u3089\u30af\u30e9\u30a6\u30c9PBX\u3092\u5c0e\u5165\u3055\u305b\u305f\u3044\u30fb\u30c6\u30ec\u30ef\u30fc\u30af\u3092\u62e1\u5927\u3057\u3066\u3044\u304f\u4e88\u5b9a\u304c\u3042\u308a\u3001\u8a66\u9a13\u7684\u306b\u5c0e\u5165\u3057\u3066\u307f\u305f\u3044<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3067\u306f\u30af\u30e9\u30a6\u30c9\u3068\u5f93\u6765\u306ePBX\u3092\u4f75\u7528\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3057\u304b\u306b\u3001\u3044\u304d\u306a\u308a\u96fb\u8a71\u74b0\u5883\u306e\u5168\u3066\u3092\u4e00\u65b0\u3059\u308b\u306e\u306f\u4f01\u696d\u306b\u3068\u3063\u3066\u52c7\u6c17\u306e\u3044\u308b\u3053\u3068\u3067\u3059\u3002\u898f\u6a21\u304c\u5927\u304d\u304f\u306a\u308c\u3070\u306a\u308b\u307b\u3069\u3001\u8a66\u9a13\u3092\u7d4c\u3066\u554f\u984c\u304c\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3068\u8003\u3048\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u306f\u5f93\u6765\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u306e\u5165\u308c\u66ff\u3048\u904e\u6e21\u671f\u3067\u3042\u308a\u3001\u3053\u3046\u3057\u305f\u4f01\u696d\u306e\u9700\u8981\u3082\u591a\u304f\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u4f75\u7528\u3092\u63d0\u6848\u3059\u308b\u30d9\u30f3\u30c0\u30fc\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"PBXPBX-3\">\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u65b9\u6cd5<\/span><\/h2>\n\n\n\n<p>\u30af\u30e9\u30a6\u30c9PBX\u3068\u65e2\u5b58\u306ePBX\u3092\u4f75\u7528\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u306f\u3044\u308b\u3082\u306e\u306e\u300c\u65e2\u5b58\u306e\u96fb\u8a71\u6a5f\u304c\u4f7f\u3048\u306a\u304f\u306a\u308b\u3068\u56f0\u308b\u2026\u300d\u3068\u5371\u60e7\u3057\u3066\u3044\u308b\u62c5\u5f53\u8005\u306e\u65b9\u3082\u591a\u3044\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u306f\u69cb\u6210\u3092\u5de5\u592b\u3059\u308c\u3070\u4f75\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002\u73fe\u5728\u306e\u96fb\u8a71\u6a5f\u3084\u914d\u7dda\u3092\u751f\u304b\u3057\u306a\u304c\u3089\u3001\u6bb5\u968e\u7684\u306b\u30af\u30e9\u30a6\u30c9PBX\u3078\u79fb\u884c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u65b9\u6cd5\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u9078\u629e\u80a2\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5229\u7528<\/li>\n\n\n\n<li>SBC\u306e\u5229\u7528<\/li>\n\n\n\n<li>LNP\uff08\u56fa\u5b9a\u96fb\u8a71\u756a\u53f7\u30dd\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\uff09\u3068SIP\u30c8\u30e9\u30f3\u30af\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"VoIP\">VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5229\u7528<\/span><\/h3>\n\n\n\n<p>\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306e\u4e00\u3064\u304c\u3001VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5229\u7528\u3067\u3059\u3002<\/p>\n\n\n\n<p>VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u306f\u3001\u30a2\u30ca\u30ed\u30b0\u96fb\u8a71\u56de\u7dda\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u3092\u3064\u306a\u3050\u305f\u3081\u306e\u6a5f\u5668\u3067\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u56de\u7dda\u304b\u3089\u767a\u4fe1\u3055\u308c\u308b\u97f3\u58f0\u4fe1\u53f7\u3092\u76f8\u4e92\u306b\u5909\u63db\u3057\u3066\u4e2d\u7d99\u3059\u308b\u3053\u3068\u3067\u3001\u5f93\u6765\u306e\u96fb\u8a71\u7db2\u3068IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u63a5\u7d9a\u3057\u307e\u3059\u3002\u65e2\u5b58\u306ePBX\u3084\u96fb\u8a71\u6a5f\u3092\u305d\u306e\u307e\u307e\u751f\u304b\u3057\u306a\u304c\u3089\u3001\u30af\u30e9\u30a6\u30c9PBX\u3068\u4f75\u7528\u3067\u304d\u308b\u70b9\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306e\u65b9\u6cd5\u3068\u6bd4\u8f03\u3059\u308b\u3068\u3001VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u69cb\u6210\u304c\u6bd4\u8f03\u7684\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u65b0\u305f\u306a\u901a\u4fe1\u5951\u7d04\u3092\u7d50\u3076\u5fc5\u8981\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u6a5f\u5668\u3092\u5c0e\u5165\u3057\u3066\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3067\u4f75\u7528\u304c\u53ef\u80fd\u306b\u306a\u308b\u305f\u3081\u30013\u3064\u306e\u65b9\u6cd5\u306e\u4e2d\u3067\u306f\u5b9f\u65bd\u3057\u3084\u3059\u3044\u9078\u629e\u80a2\u3068\u8a00\u3048\u307e\u3059\u3002\u6025\u306a\u5168\u9762\u5207\u308a\u66ff\u3048\u306b\u4e0d\u5b89\u304c\u3042\u308b\u5834\u5408\u3084\u3001\u307e\u305a\u306f\u4e00\u90e8\u90e8\u7f72\u304b\u3089\u6bb5\u968e\u7684\u306b\u5c0e\u5165\u3057\u305f\u3044\u5834\u5408\u306b\u3082\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u6a5f\u5668\u306e\u8cfc\u5165\u3068\u914d\u7dda\u5de5\u4e8b\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u6a5f\u5668\u4fa1\u683c\u306f\u304a\u304a\u3088\u305d10\u4e07\u5186\u524d\u5f8c\u3001\u8a2d\u7f6e\u8cbb\u7528\u306f1\u4e07\u5186\u7a0b\u5ea6\u304c\u76ee\u5b89\u3067\u3059\u3002\u4e00\u5b9a\u306e\u521d\u671f\u8cbb\u7528\u306f\u304b\u304b\u308a\u307e\u3059\u304c\u3001\u65e2\u5b58\u74b0\u5883\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u79fb\u884c\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u306f\u73fe\u5b9f\u7684\u306a\u65b9\u6cd5\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u305f\u3060\u3057\u3001\u5c06\u6765\u7684\u306b\u65e2\u5b58PBX\u3092\u64a4\u53bb\u3057\u3066\u5b8c\u5168\u306b\u30af\u30e9\u30a6\u30c9PBX\u3078\u79fb\u884c\u3059\u308b\u4e88\u5b9a\u304c\u3042\u308b\u5834\u5408\u3001VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u79fb\u884c\u5b8c\u4e86\u5f8c\u306b\u306f\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5c0e\u5165\u30bf\u30a4\u30df\u30f3\u30b0\u3084\u5229\u7528\u671f\u9593\u3092\u8e0f\u307e\u3048\u305f\u3046\u3048\u3067\u3001\u6295\u8cc7\u306e\u59a5\u5f53\u6027\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"SBC\">SBC\u306e\u5229\u7528<\/span><\/h3>\n\n\n\n<p>\u65e2\u5b58\u306ePBX\u3092\u6b8b\u3057\u305f\u307e\u307e\u30af\u30e9\u30a6\u30c9PBX\u3068\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u306e\u4e00\u3064\u306b\u3001SBC\uff08Session Border Controller\uff09\u3092\u7528\u3044\u308b\u69cb\u6210\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SBC\u3068\u306f\u3001IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u97f3\u58f0\u901a\u4fe1\u3092\u5236\u5fa1\u30fb\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u6a5f\u5668\u3067\u3059\u3002\u901a\u8a71\u306e\u7d4c\u8def\u7ba1\u7406\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u62c5\u3044\u3001\u30af\u30e9\u30a6\u30c9PBX\u3068\u306e\u63a5\u7d9a\u3092\u5b89\u5168\u304b\u3064\u5b89\u5b9a\u7684\u306b\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u88fd\u54c1\u306b\u3088\u3063\u3066\u306f\u3001FXO\u30fbFXS\u30fbPRI\u306a\u3069\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5099\u3048\u3001\u65e2\u5b58\u306e\u30a2\u30ca\u30ed\u30b0PBX\u3084\u56de\u7dda\u3092\u53ce\u5bb9\u3067\u304d\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30a2\u30ca\u30ed\u30b0\u74b0\u5883\u3067\u3042\u3063\u3066\u3082SBC\u3092\u4ecb\u3057\u3066\u30af\u30e9\u30a6\u30c9PBX\u3068\u4f75\u7528\u3059\u308b\u69cb\u6210\u306f\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u5834\u5408\u306f\u30e1\u30c7\u30a3\u30a2\u5909\u63db\u6a5f\u80fd\u3092\u542b\u3080\u69cb\u6210\u3068\u306a\u308b\u305f\u3081\u3001\u6a5f\u5668\u8cbb\u7528\u3084\u8a2d\u8a08\u30fb\u8a2d\u5b9a\u4f5c\u696d\u306e\u8ca0\u62c5\u306f\u5927\u304d\u304f\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>SBC\u306e\u5229\u7528\u306f\u3001\u65e2\u5b58PBX\u306e\u898f\u6a21\u304c\u5927\u304d\u304f\u3001\u3059\u3050\u306b\u5168\u9762\u7684\u306a\u30af\u30e9\u30a6\u30c9\u5316\u304c\u96e3\u3057\u3044\u4f01\u696d\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u3001\u8907\u6570\u62e0\u70b9\u3092\u6301\u3061\u901a\u8a71\u7d4c\u8def\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u53b3\u5bc6\u306b\u5236\u5fa1\u3057\u305f\u3044\u5834\u5408\u3084\u3001\u65e2\u5b58\u8a2d\u5099\u3092\u751f\u304b\u3057\u306a\u304c\u3089\u6bb5\u968e\u7684\u306a\u79fb\u884c\u3092\u9032\u3081\u305f\u3044\u5834\u5408\u306b\u6709\u52b9\u3067\u3059\u3002\u4e00\u65b9\u3067\u3001\u62e0\u70b9\u6570\u304c\u5c11\u306a\u3044\u4e2d\u5c0f\u898f\u6a21\u306e\u30aa\u30d5\u30a3\u30b9\u3084\u3001\u6570\u5e74\u4ee5\u5185\u306b\u5b8c\u5168\u79fb\u884c\u3092\u4e88\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u8cbb\u7528\u5bfe\u52b9\u679c\u3092\u614e\u91cd\u306b\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"LNPSIP\">LNP\uff08\u56fa\u5b9a\u96fb\u8a71\u756a\u53f7\u30dd\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\uff09\u3068SIP\u30c8\u30e9\u30f3\u30af\u306e\u6d3b\u7528<\/span><\/h3>\n\n\n\n<p>\u65e2\u5b58\u306e\u96fb\u8a71\u756a\u53f7\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u30af\u30e9\u30a6\u30c9PBX\u3078\u63a5\u7d9a\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3001LNP\uff08\u56fa\u5b9a\u96fb\u8a71\u756a\u53f7\u30dd\u30fc\u30bf\u30d3\u30ea\u30c6\u30a3\uff09\u3068SIP\u30c8\u30e9\u30f3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>LNP\u3068\u306f\u3001\u73fe\u5728\u5229\u7528\u3057\u3066\u3044\u308b\u56fa\u5b9a\u96fb\u8a71\u756a\u53f7\u3092\u5909\u66f4\u305b\u305a\u3001\u305d\u306e\u307e\u307e\u4ed6\u306e\u901a\u4fe1\u4e8b\u696d\u8005\u3078\u5f15\u304d\u7d99\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u4e00\u65b9\u3001SIP\u30c8\u30e9\u30f3\u30af\u3068\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u3092\u4f7f\u3063\u3066\u5916\u7dda\u901a\u8a71\u3092\u884c\u3046\u305f\u3081\u306e\u63a5\u7d9a\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e2\u3064\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u65e2\u5b58\u306e\u4ee3\u8868\u756a\u53f7\u306a\u3069\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u3001\u5916\u7dda\u306e\u901a\u8a71\u7d4c\u8def\u306e\u307f\u3092IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3078\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u756a\u53f7\u3092\u5909\u66f4\u305b\u305a\u306b\u30af\u30e9\u30a6\u30c9PBX\u5074\u3078\u7740\u4fe1\u3055\u305b\u3089\u308c\u308b\u305f\u3081\u3001\u53d6\u5f15\u5148\u3084\u9867\u5ba2\u3078\u306e\u5468\u77e5\u8ca0\u62c5\u3092\u6291\u3048\u306a\u304c\u3089\u79fb\u884c\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u306f\u3001\u307e\u305a\u4ee3\u8868\u756a\u53f7\u306e\u307f\u3092\u30af\u30e9\u30a6\u30c9PBX\u3078\u53ce\u5bb9\u3057\u3001\u5185\u7dda\u3084\u793e\u5185\u74b0\u5883\u306f\u6bb5\u968e\u7684\u306b\u6574\u7406\u3057\u3066\u3044\u304d\u305f\u3044\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u65e2\u5b58\u306ePBX\u3092\u3059\u3050\u306b\u64a4\u53bb\u305b\u305a\u3001\u5916\u7dda\u90e8\u5206\u304b\u3089\u5f90\u3005\u306b\u79fb\u884c\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u696d\u52d9\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span id=\"PBXPBX-4\">\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/span><\/h2>\n\n\n\n<p>\u65e2\u5b58\u306ePBX\u3068\u30af\u30e9\u30a6\u30c9PBX\u3092\u4f75\u7528\u3059\u308b\u5834\u5408\u3001\u3055\u307e\u3056\u307e\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082\u6700\u3082\u5927\u304d\u3044\u30e1\u30ea\u30c3\u30c8\u306f\u65e2\u5b58\u6a5f\u5668\u3092\u4f7f\u7528\u3057\u7d9a\u3051\u306a\u304c\u3089\u3001\u30af\u30e9\u30a6\u30c9PBX\u306e\u9b45\u529b\u3092\u611f\u3058\u3089\u308c\u3066\u4f7f\u7528\u611f\u306b\u6163\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u3069\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u306e\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span id=\"IP\">\u65e2\u5b58\u306e\u30d3\u30b8\u30cd\u30b9\u30d5\u30a9\u30f3\u304cIP\u96fb\u8a71\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b<\/span><\/h3>\n\n\n\n<p>VoIP\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8a2d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u65e2\u5b58\u306ePBX\u6a5f\u5668\u306f\u305d\u306e\u307e\u307e\u4f7f\u3044\u306a\u304c\u3089\u3001\u30af\u30e9\u30a6\u30c9PBX\u306e\u901a\u4fe1\u7db2\u3092\u69cb\u7bc9\u3057\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30d3\u30b8\u30cd\u30b9\u30d5\u30a9\u30f3\u3092IP\u96fb\u8a71\u3068\u3057\u3066\u6d3b\u7528\u3067\u304d\u308b\u308f\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u65e2\u5b58\u306e\u6a5f\u5668\u3092\u7121\u99c4\u306b\u305b\u305a\u5341\u5206\u306b\u6d3b\u7528\u3067\u304d\u308b\u305f\u3081\u3001\u30ea\u30fc\u30b9\u671f\u9593\u304c\u6b8b\u3063\u3066\u3044\u308b\u5834\u5408\u306a\u3069\u306f\u9055\u7d04\u91d1\u3092\u6255\u308f\u305a\u306b\u6e08\u307f\u307e\u3059\u3002\u307e\u305f\u3001\u5f93\u6765PBX\u306e\u30a2\u30ca\u30ed\u30b0\u56de\u7dda\u306e\u307e\u307e\u3067\u306f\u5b9f\u73fe\u3067\u304d\u306a\u304b\u3063\u305f\u3001\u5404\u62e0\u70b9\u306e\u7121\u6599\u5185\u7dda\u901a\u8a71\u3092IP\u96fb\u8a71\u7db2\u306b\u3088\u308a\u5b9f\u73fe\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30b3\u30b9\u30c8\u524a\u6e1b\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span 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