{"id":4006,"date":"2026-03-18T11:32:56","date_gmt":"2026-03-18T11:32:56","guid":{"rendered":"https:\/\/blog.lebara.co.uk\/?p=4006"},"modified":"2026-04-08T11:37:02","modified_gmt":"2026-04-08T10:37:02","slug":"how-roaming-works-technically-in-mobile-networks","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/","title":{"rendered":"\u79fb\u52a8\u7f51\u7edc\u6f2b\u6e38\u7684\u6280\u672f\u539f\u7406"},"content":{"rendered":"<p>\u5f53\u60a8\u7684\u624b\u673a\u8fde\u63a5\u5230\u5916\u56fd <a href=\"https:\/\/blog.lebara.co.uk\/zh\/how-to-find-out-what-network-youre-on\/\">\u7f51\u7edc<\/a> \u5728\u4e0d\u540c\u56fd\u5bb6\u6f2b\u6e38\u65f6\uff0c\u4e00\u7cfb\u5217\u590d\u6742\u7684\u6280\u672f\u6d41\u7a0b\u4f1a\u5728\u5e55\u540e\u542f\u52a8\u3002\u672c\u6587\u5c06\u89e3\u91ca\u79fb\u52a8\u7f51\u7edc\u6f2b\u6e38\u7684\u6280\u672f\u8fd0\u4f5c\u65b9\u5f0f\uff0c\u5305\u62ec\u4fe1\u53f7\u3001\u8eab\u4efd\u9a8c\u8bc1\u3001\u8def\u7531\u9009\u62e9\u548c\u8ba1\u8d39\u673a\u5236\uff0c\u8fd9\u4e9b\u673a\u5236\u4f7f\u79fb\u52a8\u7f51\u7edc\u6f2b\u6e38\u6210\u4e3a\u53ef\u80fd\u3002 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/how-to-cut-the-cost-of-international-calls-on-a-mobile-phone\/\">\u56fd\u9645<\/a> \u8fde\u63a5\u6210\u4e3a\u53ef\u80fd\u3002.<\/p>\n\n\n\n<p>\u6f2b\u6e38\u53ef\u4ee5\u8ba9\u60a8\u7684 SIM \u5361\u5728\u8fde\u63a5\u5230\u4e16\u754c\u4efb\u4f55\u5730\u65b9\u7684\u8bbf\u95ee\u7f51\u7edc\u65f6\u7ee7\u7eed\u4f7f\u7528\u60a8\u7684\u7535\u8bdd\u53f7\u7801\u3002\u60f3\u8c61\u4e00\u4e0b\uff0c2026 \u5e74\uff0c\u60a8\u4f5c\u4e3a\u82f1\u56fd\u6c83\u8fbe\u4e30\u516c\u53f8\u7684\u7528\u6237\u6765\u5230\u897f\u73ed\u7259\uff0c\u60a8\u7684\u79fb\u52a8\u8bbe\u5907\u4f1a\u81ea\u52a8\u68c0\u6d4b\u5230 Orange Espa\u00f1a\uff0c\u5e76\u901a\u8fc7\u60a8\u672c\u56fd\u7684\u8fd0\u8425\u5546\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\uff0c\u4f7f\u60a8\u80fd\u591f\u67e5\u770b\u7535\u5b50\u90ae\u4ef6\u3001\u62e8\u6253\u8bed\u97f3\u7535\u8bdd\u548c\u4f7f\u7528\u79fb\u52a8\u7535\u8bdd\u3002 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/%ef%bf%bchow-much-data-is-optimal\/\">\u79fb\u52a8\u6570\u636e<\/a> \u4e0d\u4ea4\u6362 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/a-beginners-guide-to-sim-cards\/\">SIM \u5361<\/a>.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Core_Concepts_Home_Network_Visited_Network_and_Roaming_Agreements\" >\u6838\u5fc3\u6982\u5ff5\uff1a\u4e3b\u7f51\u7edc\u3001\u8bbf\u95ee\u7f51\u7edc\u548c\u6f2b\u6e38\u534f\u8bae<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Device_and_Radio_Layer_How_Your_Phone_Finds_and_Joins_a_Visited_Network\" >\u8bbe\u5907\u548c\u65e0\u7ebf\u7535\u5c42\uff1a\u624b\u673a\u5982\u4f55\u627e\u5230\u5e76\u52a0\u5165\u8bbf\u95ee\u8fc7\u7684\u7f51\u7edc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Subscriber_Authentication_and_Security_How_the_Networks_Verify_You\" >\u7528\u6237\u8ba4\u8bc1\u4e0e\u5b89\u5168\uff1a\u7f51\u7edc\u5982\u4f55\u9a8c\u8bc1\u60a8\u7684\u8eab\u4efd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Mobility_Management_and_Location_Updates\" >\u79fb\u52a8\u7ba1\u7406\u548c\u4f4d\u7f6e\u66f4\u65b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Call_and_SMS_Routing_While_Roaming\" >\u6f2b\u6e38\u65f6\u7684\u547c\u53eb\u548c\u77ed\u4fe1\u8def\u7531\u9009\u62e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Data_Roaming_PDP_Contexts_APNs_and_Tunnels\" >\u6570\u636e\u6f2b\u6e38\uff1aPDP \u4e0a\u4e0b\u6587\u3001APN \u548c\u96a7\u9053<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Inter-Standard_Roaming_and_Legacy_Technologies\" >\u6807\u51c6\u95f4\u6f2b\u6e38\u548c\u4f20\u7edf\u6280\u672f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Roaming_Billing_Charging_Records_and_Settlement\" >\u6f2b\u6e38\u8ba1\u8d39\u3001\u6536\u8d39\u8bb0\u5f55\u548c\u7ed3\u7b97<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Regulation_Policy_Control_and_Roaming_Restrictions\" >\u76d1\u7ba1\u3001\u653f\u7b56\u63a7\u5236\u548c\u6f2b\u6e38\u9650\u5236<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#eSIM_Multi-IMSI_and_the_Future_of_Roaming\" >eSIM\u3001Multi-IMSI \u548c\u6f2b\u6e38\u7684\u672a\u6765<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/#Summary_Putting_the_Technical_Pieces_Together\" >\u6458\u8981\uff1a\u5c06\u6280\u672f\u788e\u7247\u6574\u5408\u5728\u4e00\u8d77<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Core_Concepts_Home_Network_Visited_Network_and_Roaming_Agreements\"><\/span>\u6838\u5fc3\u6982\u5ff5\uff1a\u4e3b\u7f51\u7edc\u3001\u8bbf\u95ee\u7f51\u7edc\u548c\u6f2b\u6e38\u534f\u8bae<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u60a8\u7684\u5bb6\u5ead PLMN\uff08\u516c\u5171\u9646\u5730\u79fb\u52a8\u7f51\u7edc\uff09\u662f\u60a8\u6700\u521d\u8ba2\u9605\u7684\u7f51\u7edc\u8fd0\u8425\u5546--\u4f8b\u5982\uff0c\u6c83\u8fbe\u4e30\u82f1\u56fd\u516c\u53f8\u3002\u65c5\u884c\u65f6 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/using-data-abroad-what-you-need-to-know\/\">\u6d77\u5916<\/a>, \u6b64\u65f6\uff0c\u60a8\u8fde\u63a5\u7684\u672c\u5730\u7f51\u7edc\u5c06\u6210\u4e3a\u8bbf\u95ee\u7684 PLMN\uff0c\u5982 Orange Espa\u00f1a\u3002.<\/p>\n\n\n\n<p>\u53ea\u6709\u5f53\u8fd0\u8425\u5546\u7b7e\u7f72\u6f2b\u6e38\u534f\u8bae\uff0c\u660e\u786e\u89c4\u5b9a\u6280\u672f\u4e92\u8054\u7ec6\u8282\u548c\u6279\u53d1\u8d44\u8d39\u65f6\uff0c\u56fd\u9645\u6f2b\u6e38\u624d\u80fd\u53d1\u6325\u4f5c\u7528\u3002\u8fd9\u4e9b\u534f\u8bae\u4f9d\u8d56\u4e8e GSMA \u7b49\u673a\u6784\u7ef4\u62a4\u7684\u5168\u7403\u6846\u67b6\uff0cGSMA \u8d1f\u8d23\u6807\u51c6\u5316\u6d41\u7a0b\uff0c\u5305\u62ec\u7528\u4e8e\u8d26\u5355\u4ea4\u6362\u7684 TAP\uff08\u8d26\u6237\u8f6c\u79fb\u7a0b\u5e8f\uff09\u6587\u4ef6\u3002.<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u5173\u952e\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bb6\u5ead\u7f51\u7edc\uff1a\u62e5\u6709\u60a8\u7684\u5957\u9910\uff0c\u5728\u6570\u636e\u5e93\uff08HLR\/HSS\/UDM\uff09\u4e2d\u7ef4\u62a4\u60a8\u7684\u4e3b\u914d\u7f6e\u6587\u4ef6<\/li>\n\n\n\n<li>\u8bbf\u95ee\u8fc7\u7684\u7f51\u7edc\uff1a\u63d0\u4f9b\u672c\u5730\u65e0\u7ebf\u7535\u57fa\u7840\u8bbe\u65bd\u5e76\u4e34\u65f6\u6258\u7ba1\u60a8\u7684\u8fde\u63a5<\/li>\n\n\n\n<li>\u6f2b\u6e38\u5408\u4f5c\u4f19\u4f34\uff1a\u4efb\u4f55\u5df2\u7b7e\u7f72\u534f\u8bae\u7684\u5916\u56fd\u8fd0\u8425\u5546\uff0c\u4f7f\u60a8\u672c\u56fd\u8fd0\u8425\u5546\u7684\u7528\u6237\u53ef\u4ee5\u8fde\u63a5\u5230\u8be5\u8fd0\u8425\u5546<\/li>\n<\/ul>\n\n\n\n<p>\u60a8\u7684\u7528\u6237\u914d\u7f6e\u6587\u4ef6\uff08\u5305\u62ec\u670d\u52a1\u6743\u9650\u3001\u6f2b\u6e38\u8bb8\u53ef\u548c\u4fe1\u7528\u72b6\u6001\uff09\u6c38\u4e45\u4fdd\u5b58\u5728\u672c\u5730\u7f51\u7edc\u7684\u6570\u636e\u5e93\u4e2d\u3002\u8bbf\u95ee\u7684\u7f51\u7edc\u53ea\u5728\u60a8\u8fde\u63a5\u65f6\u4fdd\u5b58\u4e34\u65f6\u8bb0\u5f55\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Device_and_Radio_Layer_How_Your_Phone_Finds_and_Joins_a_Visited_Network\"><\/span>\u8bbe\u5907\u548c\u65e0\u7ebf\u7535\u5c42\uff1a\u624b\u673a\u5982\u4f55\u627e\u5230\u5e76\u52a0\u5165\u8bbf\u95ee\u8fc7\u7684\u7f51\u7edc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5f53\u60a8\u5728\u56fd\u5916\u6253\u5f00\u624b\u673a\u7535\u6e90\u65f6\uff0c\u5b83\u4f1a\u901a\u8fc7\u8bfb\u53d6\u5e7f\u64ad\u4fe1\u53f7\u626b\u63cf\u53ef\u7528\u7684\u8fd0\u8425\u5546\u3002\u8bbe\u5907\u4f1a\u6839\u636e SIM \u5361\u4e2d\u5b58\u50a8\u7684\u9996\u9009\u6f2b\u6e38\u5217\u8868\u68c0\u67e5 PLMN ID\uff0c\u4ee5\u786e\u5b9a\u5141\u8bb8\u4f7f\u7528\u7684\u7f51\u7edc\u3002.<\/p>\n\n\n\n<p>\u60a8\u7684 SIM\/USIM \u5361\u5305\u542b\u9a71\u52a8\u7f51\u7edc\u9009\u62e9\u7684\u5173\u952e\u6570\u636e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7528\u4e8e\u552f\u4e00\u8bc6\u522b\u7684 IMSI\uff08\u56fd\u9645\u79fb\u52a8\u7528\u6237\u8bc6\u522b\u7801<\/li>\n\n\n\n<li>\u9996\u9009\u6f2b\u6e38\u5217\u8868\uff0c\u6307\u5b9a\u5141\u8bb8\u8bbf\u95ee\u7684\u8fd0\u8425\u5546<\/li>\n\n\n\n<li>\u7528\u4e8e\u9a8c\u8bc1\u7684\u5b89\u5168\u5bc6\u94a5 (Ki, K)<\/li>\n<\/ul>\n\n\n\n<p>\u624b\u673a\u5728\u652f\u6301\u7684\u9891\u6bb5\uff08\u901a\u5e38\u4e3a 800 MHz\u30011800 MHz \u548c\u6b27\u6d32\u7684 2600 MHz\uff09\u5185\u8fdb\u884c\u5c0f\u533a\u9009\u62e9\uff0c\u5e76\u8bfb\u53d6\u7cfb\u7edf\u4fe1\u606f\u4ee5\u786e\u8ba4\u662f\u5426\u5141\u8bb8\u6f2b\u6e38\u3002\u5982\u4eca\uff0c\u5927\u591a\u6570\u8bbe\u5907\u90fd\u652f\u6301\u591a\u79cd\u6280\u672f\uff1aGSM\/EDGE\u3001UMTS\u3001LTE \u548c <a href=\"https:\/\/blog.lebara.co.uk\/zh\/which-iphones-support-5g\/\">5G<\/a> NR\uff0c\u5b9e\u73b0\u5168\u7403\u8fde\u63a5\u3002.<\/p>\n\n\n\n<p>\u4ece\u7740\u9646\u5904\u5230\u8fde\u63a5\u5904\u7684\u53f0\u9636\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u624b\u673a\u626b\u63cf\u53ef\u7528\u7f51\u7edc\u5e76\u8bfb\u53d6 PLMN ID<\/li>\n\n\n\n<li>\u8bbe\u5907\u5c06\u68c0\u6d4b\u5230\u7684\u7f51\u7edc\u4e0e SIM \u5361\u7684\u6f2b\u6e38\u5217\u8868\u8fdb\u884c\u5339\u914d<\/li>\n\n\n\n<li>\u7535\u8bdd\u9009\u62e9\u6700\u9ad8\u4f18\u5148\u7ea7\u7684\u5141\u8bb8\u7f51\u7edc<\/li>\n\n\n\n<li>\u8bbe\u5907\u5411\u8bbf\u95ee\u7f51\u7edc\u53d1\u9001\u6ce8\u518c\u8bf7\u6c42<\/li>\n\n\n\n<li>\u88ab\u8bbf\u95ee\u7f51\u7edc\u67e5\u8be2\u5bb6\u5ead\u7f51\u7edc\u4ee5\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u679c\u672c\u5730\u8fd0\u8425\u5546\u548c\u672c\u5730\u7f51\u7edc\u4e4b\u95f4\u6ca1\u6709\u6f2b\u6e38\u534f\u8bae\uff0c\u8bbe\u5907\u4f1a\u663e\u793a \u201c\u65e0\u670d\u52a1\u201d\uff0c\u5c3d\u7ba1\u65e0\u7ebf\u7535 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/boosting-your-mobile-signal-tips-for-improving-reception\/\">\u4fe1\u53f7<\/a> \u51fa\u5e2d\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Subscriber_Authentication_and_Security_How_the_Networks_Verify_You\"><\/span>\u7528\u6237\u8ba4\u8bc1\u4e0e\u5b89\u5168\uff1a\u7f51\u7edc\u5982\u4f55\u9a8c\u8bc1\u60a8\u7684\u8eab\u4efd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e00\u65e6\u8fde\u63a5\u5230\u88ab\u8bbf\u95ee\u624b\u673a\uff0c\u88ab\u8bbf\u95ee\u7f51\u7edc\u5c31\u4f1a\u8bc6\u522b\u60a8\u7684 SIM \u5361\uff0c\u5e76\u5fc5\u987b\u4e0e\u539f\u8fd0\u8425\u5546\u786e\u8ba4\u8be5 SIM \u5361\u662f\u771f\u5b9e\u7684\u5e76\u5141\u8bb8\u6f2b\u6e38\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u6b3a\u8bc8\u6027\u4f7f\u7528\uff0c\u5e76\u786e\u4fdd\u6b63\u786e\u8ba1\u8d39\u3002.<\/p>\n\n\n\n<p>\u8ba4\u8bc1\u8fc7\u7a0b\u9075\u5faa AKA\uff08\u8ba4\u8bc1\u548c\u5bc6\u94a5\u534f\u8bae\uff09\u534f\u8bae\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bbf\u95ee\u7684\u7f51\u7edc\u63d0\u53d6\u60a8\u7684 IMSI \u5e76\u5c06\u5176\u53d1\u9001\u81f3\u4e3b\u7f51\u7edc<\/li>\n\n\n\n<li>\u4e3b\u9875 HLR\/HSS \u751f\u6210\u5305\u542b\u968f\u673a\u6311\u6218\u7684\u9a8c\u8bc1\u5411\u91cf<\/li>\n\n\n\n<li>\u6311\u6218\u4f1a\u53d1\u9001\u5230\u60a8\u7684\u8bbe\u5907\uff0c\u8bbe\u5907\u4f1a\u4f7f\u7528\u4ec5\u5b58\u50a8\u5728 SIM \u5361\u4e2d\u7684\u79d8\u94a5\u8ba1\u7b97\u54cd\u5e94<\/li>\n\n\n\n<li>\u5982\u679c\u54cd\u5e94\u4e0e\u4e3b\u7f51\u7edc\u7684\u9884\u671f\u4e00\u81f4\uff0c\u5219\u8eab\u4efd\u9a8c\u8bc1\u6210\u529f<\/li>\n<\/ol>\n\n\n\n<p>\u9a8c\u8bc1\u8fc7\u7a0b\u4e2d\u4ea4\u6362\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IMSI\uff08\u7528\u6237\u8eab\u4efd\uff09<\/li>\n\n\n\n<li>\u6765\u81ea\u5bb6\u5ead AuC\uff08\u8ba4\u8bc1\u4e2d\u5fc3\uff09\u7684\u8ba4\u8bc1\u5411\u91cf<\/li>\n\n\n\n<li>\u6311\u6218-\u56de\u5e94\u503c<\/li>\n\n\n\n<li>\u6f2b\u6e38\u8bb8\u53ef\u72b6\u6001\u548c\u4efb\u4f55\u7981\u6b62\u6761\u4ef6<\/li>\n\n\n\n<li>\u7528\u4e8e\u52a0\u5bc6\u6d41\u91cf\u7684\u5bc6\u7801\u548c\u5b8c\u6574\u6027\u5bc6\u94a5<\/li>\n<\/ul>\n\n\n\n<p>\u5bc6\u5319\u6c38\u8fdc\u4e0d\u4f1a\u79bb\u5f00 SIM \u5361\u6216\u5bb6\u5ead\u7f51\u7edc\uff0c\u5373\u4f7f\u8bbf\u95ee\u7684\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u906d\u5230\u7834\u574f\uff0c\u4e5f\u80fd\u786e\u4fdd\u5b89\u5168\u3002\u8fd9\u4e9b\u6d3e\u751f\u5bc6\u94a5\u53ef\u52a0\u5bc6\u624b\u673a\u4e0e\u8bbf\u95ee\u57fa\u7ad9\u4e4b\u95f4\u7684\u7528\u6237\u6d41\u91cf\u548c\u4fe1\u53f7\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mobility_Management_and_Location_Updates\"><\/span>\u79fb\u52a8\u7ba1\u7406\u548c\u4f4d\u7f6e\u66f4\u65b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u79fb\u52a8\u7f51\u7edc\u5fc5\u987b\u59cb\u7ec8\u77e5\u9053\u60a8\u7684\u5927\u81f4\u4f4d\u7f6e\uff0c\u4ee5\u4fbf\u5728\u6f2b\u6e38\u65f6\u53d1\u9001\u547c\u53eb\u3001\u77ed\u4fe1\u548c\u6570\u636e\u4f1a\u8bdd\u3002\u5982\u679c\u6ca1\u6709\u8fd9\u79cd\u8ddf\u8e2a\uff0c\u4f20\u5165\u7684\u901a\u4fe1\u5c06\u6ca1\u6709\u76ee\u7684\u5730\u3002.<\/p>\n\n\n\n<p>\u7f51\u7edc\u5c06\u8986\u76d6\u8303\u56f4\u5212\u5206\u4e3a\u4e0d\u540c\u5c42\u6b21\u7684\u533a\u57df\uff1a2G \u7684\u5b9a\u4f4d\u533a\u57df (LA)\u30013G \u5206\u7ec4\u7f51\u7edc\u7684\u8def\u7531\u533a\u57df (RA) \u548c LTE\/5G \u7684\u8ddf\u8e2a\u533a\u57df (TA)\u3002\u5f53\u60a8\u4ece\u5df4\u9ece CDG \u673a\u573a\u524d\u5f80\u5e02\u4e2d\u5fc3\u65f6\uff0c\u8de8\u8d8a\u533a\u57df\u8fb9\u754c\u4f1a\u89e6\u53d1\u4f4d\u7f6e\u66f4\u65b0\u3002.<\/p>\n\n\n\n<p>\u4f4d\u7f6e\u66f4\u65b0\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u5907\u68c0\u6d4b\u5230\u8fdb\u5165\u65b0\u7684\u8ddf\u8e2a\u533a\u57df<\/li>\n\n\n\n<li>\u624b\u673a\u5411\u8bbf\u95ee\u7684\u7f51\u7edc\u6838\u5fc3\u53d1\u9001\u4f4d\u7f6e\u66f4\u65b0\u8bf7\u6c42<\/li>\n\n\n\n<li>\u88ab\u8bbf\u95ee\u7f51\u7edc\u66f4\u65b0\u5176\u672c\u5730\u8bb0\u5f55\uff08VLR\/MME\/AMF\uff09<\/li>\n\n\n\n<li>\u8bbf\u95ee\u8fc7\u7684\u7f51\u7edc\u5411\u672c\u5730 HLR\/HSS \u53d1\u9001\u65b0\u670d\u52a1\u8282\u70b9\u4f4d\u7f6e\u4fe1\u53f7<\/li>\n\n\n\n<li>\u5bb6\u5ead\u7f51\u7edc\u786e\u8ba4\u5e76\u8bb0\u5f55\u60a8\u7684\u5f53\u524d\u4f4d\u7f6e<\/li>\n<\/ul>\n\n\n\n<p>\u5f53\u6709\u4eba\u547c\u53eb\u60a8\u7684\u53f7\u7801\u6216\u53d1\u9001\u4fe1\u606f\u65f6\uff0c\u7f51\u7edc\u4f1a\u5728\u6700\u540e\u5df2\u77e5\u7684\u8ddf\u8e2a\u533a\u57df\u5185\u547c\u53eb\u60a8\u7684\u8bbe\u5907\u3002\u60a8\u7684\u624b\u673a\u505a\u51fa\u56de\u5e94\uff0c\u8fde\u63a5\u5c31\u5efa\u7acb\u8d77\u6765\u4e86\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Call_and_SMS_Routing_While_Roaming\"><\/span>\u6f2b\u6e38\u65f6\u7684\u547c\u53eb\u548c\u77ed\u4fe1\u8def\u7531\u9009\u62e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u547c\u51fa\u548c\u547c\u5165\u901a\u4fe1\u7684\u8def\u7531\u903b\u8f91\u6709\u5f88\u5927\u4e0d\u540c\u3002\u79fb\u52a8\u53d1\u8d77\u7684\u547c\u53eb\u548c SMS-MO \u4e0e\u79fb\u52a8\u7ec8\u6b62\u7684\u547c\u53eb\u548c SMS-MT \u7684\u6d41\u7a0b\u4e0d\u540c\u3002.<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u6f2b\u6e38\u65f6\u7531\u624b\u673a\u62e8\u6253\u7684\u7535\u8bdd\uff0c\u60a8\u9700\u8981\u62e8\u6253\u4e00\u4e2a E.164 \u53f7\u7801\uff08\u5982 +44 20......\uff09\u3002\u88ab\u8bbf\u7f51\u7edc\u7684 MSC \u6216 IMS \u7f51\u5173\u4f1a\u5206\u6790\u8fd9\u4e9b\u6570\u5b57\uff0c\u5e76\u5c06\u547c\u53eb\u8f6c\u63a5\u5230\u88ab\u8bbf\u56fd\u5bb6\u7684\u672c\u5730\u6216\u56fd\u9645\u76ee\u7684\u5730\u3002.<\/p>\n\n\n\n<p>\u5728\u56fd\u5916\u63a5\u542c\u7535\u8bdd\u7684\u7a0b\u5e8f\u5219\u66f4\u4e3a\u590d\u6742\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6765\u7535\u8005\u62e8\u6253\u60a8\u7684 MSISDN\uff08\u539f\u59cb\u7535\u8bdd\u53f7\u7801\uff09<\/li>\n\n\n\n<li>\u547c\u53eb\u5230\u8fbe\u5bb6\u5ead\u7f51\u7edc\u7f51\u5173 MSC<\/li>\n\n\n\n<li>\u4e3b\u7f51\u7edc\u67e5\u8be2 HLR \u4ee5\u83b7\u53d6\u60a8\u5f53\u524d\u7684\u6f2b\u6e38\u4f4d\u7f6e<\/li>\n\n\n\n<li>HLR \u8fd4\u56de\u4e34\u65f6 MSRN\uff08\u79fb\u52a8\u53f0\u6f2b\u6e38\u53f7\u7801\uff09<\/li>\n\n\n\n<li>\u547c\u53eb\u88ab\u91cd\u65b0\u8def\u7531\u5230\u60a8\u6ce8\u518c\u7684\u5df2\u8bbf\u95ee MSC<\/li>\n\n\n\n<li>\u8bbf\u95ee\u8fc7\u7684\u7f51\u7edc\u4f1a\u7ffb\u9875\u81f3\u60a8\u7684\u8bbe\u5907\u5e76\u53d1\u9001\u547c\u53eb<\/li>\n<\/ul>\n\n\n\n<p>\u73b0\u4ee3 VoLTE \u548c VoNR \u901a\u5e38\u5c06\u8bed\u97f3\u547c\u53eb\u951a\u5b9a\u5728\u672c\u5730 IMS \u6838\u5fc3\u7f51\u4e2d\uff0c\u5373\u4f7f\u65e0\u7ebf\u63a5\u5165\u662f\u901a\u8fc7\u88ab\u8bbf\u7f51\u7edc\u8fdb\u884c\u7684\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u8d28\u91cf\u5e76\u7b80\u5316\u4e86\u8def\u7531\u9009\u62e9\u3002.<\/p>\n\n\n\n<p>\u5bf9\u4e8e SMS\uff0c\u672c\u5730\u7f51\u7edc\u7684 SMSC \u59cb\u7ec8\u5145\u5f53\u951a\u70b9\u3002\u4fe1\u4ee4\u4fe1\u606f\u901a\u8fc7 SS7 \u4e0a\u7684 MAP \u6216 Diameter \u534f\u8bae\u5728\u672c\u5730\u7f51\u7edc\u548c\u8bbf\u95ee\u7f51\u7edc\u4e4b\u95f4\u6d41\u52a8\uff0c\u65e0\u8bba\u60a8\u8eab\u5728\u4f55\u5904\uff0c\u90fd\u80fd\u53d1\u9001\u4fe1\u606f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Data_Roaming_PDP_Contexts_APNs_and_Tunnels\"><\/span>\u6570\u636e\u6f2b\u6e38\uff1aPDP \u4e0a\u4e0b\u6587\u3001APN \u548c\u96a7\u9053<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/blog.lebara.co.uk\/zh\/a-guide-to-data-roaming\/\">\u6570\u636e\u6f2b\u6e38<\/a> \u589e\u52a0\u4e86\u590d\u6742\u6027\uff0c\u56e0\u4e3a <a href=\"https:\/\/blog.lebara.co.uk\/zh\/ip-ratings-explained-how-your-smartphone-can-withstand-water-and-dust\/\">IP<\/a> \u5728\u8fdc\u7a0b\u65e0\u7ebf\u63a5\u5165\u65f6\uff0c\u4f1a\u8bdd\u5fc5\u987b\u56fa\u5b9a\u5728\u67d0\u5904\u3002\u60a8\u7684\u8bbe\u5907\u6216 SIM \u5361\u5305\u542b APN\uff08\u63a5\u5165\u70b9\u540d\u79f0\uff09\u8bbe\u7f6e\uff0c\u8fd9\u4e9b\u8bbe\u7f6e\u51b3\u5b9a\u4e86\u6570\u636e\u6d41\u91cf\u7684\u8def\u7531\u65b9\u5f0f\u3002.<\/p>\n\n\n\n<p>\u88ab\u8bbf\u95ee\u7f51\u7edc\u4f7f\u7528 APN \u51b3\u5b9a\u662f\u5426\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u539f\u8def\u7531\u6d41\u91cf\u8fd4\u56de\u60a8\u7684\u539f PGW\/UPF\uff08\u6700\u5e38\u89c1\uff09<\/li>\n\n\n\n<li>\u5728\u6570\u636e\u4ece\u672c\u5730\u6d41\u51fa\u65f6\u63d0\u4f9b\u672c\u5730\u7ec6\u5206\uff08\u5728\u67d0\u4e9b\u6b27\u76df\u65b9\u6848\u4e2d\u4f7f\u7528\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u5728 2G\/3G \u7f51\u7edc\u4e2d\uff0c\u6570\u636e\u6fc0\u6d3b\u6d89\u53ca PDP\uff08\u5206\u7ec4\u6570\u636e\u534f\u8bae\uff09\u4e0a\u4e0b\u6587\u7684\u5efa\u7acb\u3002\u5728 4G\/5G \u7f51\u7edc\u4e2d\uff0c\u8fd9\u6f14\u53d8\u6210\u4e86\u9ed8\u8ba4\u627f\u8f7d\u6216 PDU \u4f1a\u8bdd\u7684\u5efa\u7acb\uff0c\u7531\u88ab\u8bbf\u95ee\u7f51\u7edc\u4e0e\u4e3b\u7ad9\u57fa\u7840\u8bbe\u65bd\u534f\u8c03\u3002.<\/p>\n\n\n\n<p>\u6f2b\u6e38\u6570\u636e\u7684\u96a7\u9053\u8def\u5f84\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7535\u8bdd\u901a\u8fc7\u8bbf\u95ee\u7f51\u7edc\u7684\u65e0\u7ebf\u63a5\u5165\u4f20\u8f93\u6570\u636e\u5305<\/li>\n\n\n\n<li>\u6570\u636e\u5305\u5230\u8fbe\u8bbf\u95ee\u7f51\u7edc\u7684\u6838\u5fc3\uff08SGSN\/MME\/AMF\uff09<\/li>\n\n\n\n<li>\u6d41\u91cf\u5c01\u88c5\u5728 GTP \u96a7\u9053\u4e2d<\/li>\n\n\n\n<li>\u96a7\u9053\u7a7f\u8d8a\u56fd\u9645 GRX \u6216 IPX \u7f51\u7edc<\/li>\n\n\n\n<li>\u6570\u636e\u5305\u4ece\u672c\u5730\u6570\u636e\u7f51\u5173\uff08GGSN\/PGW\/UPF\uff09\u9000\u51fa<\/li>\n\n\n\n<li>\u7f51\u5173\u8f6c\u53d1\u5230\u4e92\u8054\u7f51\uff1b\u8fd4\u56de\u6d41\u91cf\u9075\u5faa\u53cd\u5411\u8def\u5f84<\/li>\n<\/ul>\n\n\n\n<p>\u4ece\u4e92\u8054\u7f51\u7684\u89d2\u5ea6\u770b\uff0c\u4f60\u901a\u5e38\u4f1a\u88ab\u8ba4\u4e3a\u662f\u5728\u672c\u56fd\u7684 IP \u7a7a\u95f4\u5185\uff0c\u8fd9\u4f1a\u5f71\u54cd\u5730\u7406\u5b9a\u4f4d\u670d\u52a1\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inter-Standard_Roaming_and_Legacy_Technologies\"><\/span>\u6807\u51c6\u95f4\u6f2b\u6e38\u548c\u4f20\u7edf\u6280\u672f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5386\u53f2\u4e0a\uff0c\u79fb\u52a8\u7f51\u7edc\u4f7f\u7528\u4e0d\u540c\u7684\u6280\u672f--GSM \u5728\u6b27\u6d32\u5360\u4e3b\u5bfc\u5730\u4f4d\uff0c\u800c CDMA \u5219\u5728\u5317\u7f8e\u76db\u884c\u3002\u6807\u51c6\u95f4\u6f2b\u6e38\u9700\u8981\u591a\u6a21\u5f0f\u624b\u673a\u548c\u4e13\u95e8\u7684\u6f2b\u6e38\u4e2d\u5fc3\u6765\u8fde\u63a5\u8fd9\u4e9b\u7cfb\u7edf\u3002.<\/p>\n\n\n\n<p>\u5982\u4eca\uff0c\u8be5\u884c\u4e1a\u5df2\u56f4\u7ed5 3GPP \u6807\u51c6\uff08GSM\/UMTS\/LTE\/5G NR\uff09\u8fdb\u884c\u6574\u5408\uff0c\u5927\u5927\u7b80\u5316\u4e86\u517c\u5bb9\u6027\u30022025-2030 \u5e74\u95f4\uff0c2G\/3G \u7f51\u7edc\u5c06\u9646\u7eed\u5173\u95ed\uff0c\u8fd9\u610f\u5473\u7740\u8bb8\u591a\u5e02\u573a\u5fc5\u987b\u5177\u5907 VoLTE \u8bed\u97f3\u529f\u80fd\u3002.<\/p>\n\n\n\n<p>2026 \u5e74\u5168\u7403\u6f2b\u6e38\u8bbe\u5907\u5fc5\u987b\u652f\u6301\u54ea\u4e9b\u529f\u80fd\uff1f<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8de8\u591a\u4e2a\u5730\u533a\u7684 LTE \u9891\u6bb5\uff08\u9891\u6bb5 1\u30014\u30017 \u7b49\uff09<\/li>\n\n\n\n<li>5G NR \u9891\u6bb5\uff08n78\u3001n79\u3001n1\uff09<\/li>\n\n\n\n<li>VoLTE \u8bed\u97f3\u901a\u8bdd\u529f\u80fd<\/li>\n\n\n\n<li><a href=\"https:\/\/blog.lebara.co.uk\/zh\/%ef%bf%bca-guide-to-sim-card-sizes\/\">eSIM<\/a> \u652f\u6301\u7075\u6d3b\u7684\u914d\u7f6e\u6587\u4ef6\u5207\u6362<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Roaming_Billing_Charging_Records_and_Settlement\"><\/span>\u6f2b\u6e38\u8ba1\u8d39\u3001\u6536\u8d39\u8bb0\u5f55\u548c\u7ed3\u7b97<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u53d7\u8bbf\u8fd0\u8425\u5546\u63d0\u4f9b\u670d\u52a1\uff0c\u4f46\u5411\u60a8\u7684\u5bb6\u5ead\u8fd0\u8425\u5546\u6536\u8d39\uff0c\u7136\u540e\u7531\u5bb6\u5ead\u8fd0\u8425\u5546\u5411\u60a8\u6536\u8d39\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4f9d\u8d56\u4e8e\u8be6\u7ec6\u7684\u4f7f\u7528\u8bb0\u5f55\u3002.<\/p>\n\n\n\n<p>\u7f51\u7edc\u751f\u6210\u7684\u5145\u7535\u6570\u636e\u8bb0\u5f55\u5305\u542b<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IMSI \u548c MSISDN\uff08\u7528\u6237\u6807\u8bc6\u7b26\uff09<\/li>\n\n\n\n<li>\u670d\u52a1\u7c7b\u578b\u3001\u76ee\u7684\u5730\u3001\u65f6\u95f4\u6233\u3001\u6301\u7eed\u65f6\u95f4\/\u6570\u91cf<\/li>\n\n\n\n<li>\u8bbf\u95ee\u8fc7\u7684 PLMN \u8bc6\u522b\u7801\u548c\u5c0f\u533a ID<\/li>\n\n\n\n<li>\u9002\u7528\u7684\u6279\u53d1\u7387<\/li>\n<\/ul>\n\n\n\n<p>TAP \u6587\u4ef6\u6c47\u603b\u4e86\u8fd9\u4e9b\u8bb0\u5f55\uff0c\u5e76\u5b9a\u671f\uff08\u901a\u5e38\u662f\u6bcf\u5929\uff09\u4ece\u53d7\u8bbf\u8fd0\u8425\u5546\u53d1\u9001\u7ed9\u672c\u5730\u8fd0\u8425\u5546\u3002\u7136\u540e\uff0c\u6bcd\u7f51\u7684\u8ba1\u8d39\u7cfb\u7edf\u4f1a\u6839\u636e\u60a8\u7684\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u5b9a\u4ef7\uff0c\u65e0\u8bba\u662f\u5305\u542b\u6570\u636e\u7684\u6f2b\u6e38\u8ba1\u5212\u8fd8\u662f\u73b0\u6536\u73b0\u4ed8\u7684\u6f2b\u6e38\u8d39\u7528\u3002.<\/p>\n\n\n\n<p>\u6f2b\u6e38\u4e8b\u4ef6\u7684\u751f\u547d\u5468\u671f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u60a8\u4f7f\u7528\u7684\u670d\u52a1\uff08\u901a\u8bdd\u3001\u77ed\u4fe1\u3001\u6570\u636e\uff09<\/li>\n\n\n\n<li>\u8bbf\u95ee\u7684\u7f51\u7edc\u751f\u6210 CDR\/\u4f7f\u7528\u8bb0\u5f55<\/li>\n\n\n\n<li>\u8bb0\u5f55\u7f16\u5165 TAP \u6587\u4ef6<\/li>\n\n\n\n<li>\u5c06 TAP \u6587\u4ef6\u4f20\u8f93\u7ed9\u8fd0\u7ef4\u4e2d\u5fc3<\/li>\n\n\n\n<li>\u5bb6\u5ead\u8ba1\u8d39\u7cfb\u7edf\u5e94\u7528\u5b9a\u4ef7\u5e76\u6dfb\u52a0\u5230\u53d1\u7968\u4e2d<\/li>\n<\/ul>\n\n\n\n<p>\u76d1\u7ba1\u6846\u67b6\u5bf9\u6f2b\u6e38\u8d39\u6709\u91cd\u5927\u5f71\u54cd\u3002\u6b27\u76df\u7684 \u201c\u50cf\u5728\u5bb6\u4e00\u6837\u6f2b\u6e38\u201d\uff08Roam Like at Home\uff09\u6cd5\u89c4\u81ea 2017 \u5e74 6 \u6708\u8d77\u751f\u6548\uff0c\u5e76\u5ef6\u957f\u81f3 2032 \u5e74\uff0c\u8be5\u6cd5\u89c4\u53d6\u6d88\u4e86\u6b27\u76df\u5185\u90e8\u7684\u9644\u52a0\u8d39\uff0c\u8ba9\u79fb\u52a8\u7528\u6237\u652f\u4ed8\u56fd\u5185\u8d39\u7387\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Regulation_Policy_Control_and_Roaming_Restrictions\"><\/span>\u76d1\u7ba1\u3001\u653f\u7b56\u63a7\u5236\u548c\u6f2b\u6e38\u9650\u5236<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u9664\u6280\u672f\u5916\uff0c\u6f2b\u6e38\u8fd8\u53d7\u76d1\u7ba1\u548c\u8fd0\u8425\u5546\u653f\u7b56\u7684\u5f71\u54cd\u3002PCRF\/PCF\uff08\u653f\u7b56\u548c\u8ba1\u8d39\u89c4\u5219\u529f\u80fd\uff09\u5143\u4ef6\u5b9e\u65bd\u7684\u63a7\u5236\u63aa\u65bd\u5305\u62ec\u6570\u636e\u4e0a\u9650\u3001\u9608\u503c\u540e\u7684\u901f\u5ea6\u8282\u6d41\u4ee5\u53ca\u670d\u52a1\u9650\u5236\uff08\u5982\u963b\u6b62\u670d\u52a1\uff09\u3002 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/what-does-tethering-mean\/\">\u7cfb\u7f06<\/a> \u56fd\u5916\u3002.<\/p>\n\n\n\n<p>\u5177\u4f53\u76d1\u7ba1\u5b9e\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6b27\u76df \u201c\u6f2b\u6e38\u5982\u5bb6 \u201d\u53d6\u6d88\u6b27\u76df\u65c5\u884c\u9644\u52a0\u8d39<\/li>\n\n\n\n<li>\u6fb3\u5927\u5229\u4e9a-\u65b0\u897f\u5170\u53cc\u8fb9\u534f\u8bae\u63d0\u4f9b\u4f18\u60e0\u8d39\u7387<\/li>\n\n\n\n<li>\u4e00\u4e9b\u8fd0\u8425\u5546\u963b\u6b62\u6c38\u4e45\u6f2b\u6e38\uff08\u5728\u56fd\u5916\u6301\u7eed\u4f7f\u7528 SIM \u5361\uff09\uff0c\u4ee5\u907f\u514d\u6279\u53d1\u635f\u5931<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u653f\u7b56\u5bf9\u7528\u6237\u7684\u5f71\u54cd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8d85\u8fc7\u516c\u5e73\u4f7f\u7528\u9650\u5236\u540e\u8f66\u901f\u4e0b\u964d<\/li>\n\n\n\n<li>\u6f2b\u6e38\u6d25\u8d34 80% \u7684\u77ed\u4fe1\u63d0\u9192<\/li>\n\n\n\n<li>\u786c\u6570\u636e\u9650\u5236\u81ea\u52a8\u5207\u65ad\u670d\u52a1<\/li>\n\n\n\n<li>\u67d0\u4e9b\u670d\u52a1\u4e0d\u53ef\u7528\uff08\u5f69\u4fe1\u3001\u4ed8\u8d39\u7535\u8bdd\uff09<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"eSIM_Multi-IMSI_and_the_Future_of_Roaming\"><\/span>eSIM\u3001Multi-IMSI \u548c\u6f2b\u6e38\u7684\u672a\u6765<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>eSIM \u6280\u672f\u4ece\u6839\u672c\u4e0a\u6539\u53d8\u4e86\u6f2b\u6e38\u65b9\u5f0f\uff0c\u5b83\u5141\u8bb8\u4e0b\u8f7d\u548c\u5207\u6362\u591a\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u800c\u65e0\u9700\u66f4\u6362\u5b9e\u4f53\u5361\u3002\u65c5\u5ba2\u53ef\u4ee5\u5728\u51fa\u53d1\u524d\u4e0b\u8f7d\u672c\u5730 eSIM \u914d\u7f6e\u6587\u4ef6\uff0c\u7acb\u5373\u6fc0\u6d3b\u7c7b\u4f3c\u672c\u5730\u7684\u8fde\u63a5\u3002.<\/p>\n\n\n\n<p>\u591aIMSI\u4f7f\u4e00\u5f20SIM\u5361\u80fd\u5728\u4e0d\u540c\u5730\u533a\u663e\u793a\u4e0d\u540c\u7684\u8eab\u4efd\uff0c\u8ba9\u56fd\u5185\u8fd0\u8425\u5546\u51fa\u4e8e\u6210\u672c\u6216\u8d28\u91cf\u539f\u56e0\u5c06\u7528\u6237\u5f15\u5bfc\u81f3\u9996\u9009\u6f2b\u6e38\u5408\u4f5c\u4f19\u4f34\u3002\u5168\u7403\u65c5\u884c eSIM \u5229\u7528\u6f2b\u6e38\u67a2\u7ebd\u548c\u591aIMSI\uff0c\u901a\u8fc7\u4e00\u4e2a\u53ef\u4e0b\u8f7d\u7684\u914d\u7f6e\u6587\u4ef6\u63d0\u4f9b\u8986\u76d6\u6570\u5341\u4e2a\u56fd\u5bb6\u7684\u670d\u52a1\u3002.<\/p>\n\n\n\n<p>\u9884\u671f\u6280\u672f <a href=\"https:\/\/blog.lebara.co.uk\/zh\/the-latest-trends-in-mobile-phone-technology\/\">\u8d8b\u52bf<\/a> 2026-2030:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u968f\u7740 2G\/3G \u65e5\u843d\u7684\u5b8c\u6210\uff0cVoLTE \u4f9d\u8d56\u6027\u66f4\u5e7f<\/li>\n\n\n\n<li>\u91c7\u7528\u672c\u5730\u534f\u8bae\u7684 5G \u72ec\u7acb\u6f2b\u6e38<\/li>\n\n\n\n<li>\u4f18\u8d28\u6f2b\u6e38\u670d\u52a1\u7f51\u7edc\u5207\u7247<\/li>\n\n\n\n<li>\u6269\u5927\u8fd0\u8425\u5546\u4e4b\u95f4\u7684 IPX \u4e92\u901a<\/li>\n\n\n\n<li>eSIM \u4f18\u5148\u4e8e\u5b9e\u4f53 SIM \u5361<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Summary_Putting_the_Technical_Pieces_Together\"><\/span>\u6458\u8981\uff1a\u5c06\u6280\u672f\u788e\u7247\u6574\u5408\u5728\u4e00\u8d77<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6f2b\u6e38\u5c06\u65e0\u7ebf\u63a5\u5165\u3001\u8eab\u4efd\u9a8c\u8bc1\u3001\u79fb\u52a8\u7ba1\u7406\u3001\u8def\u7531\u9009\u62e9\u548c\u8ba1\u8d39\u8fde\u63a5\u6210\u4e00\u4e2a\u65e0\u7f1d\u7cfb\u7edf\u3002\u5f53\u60a8\u5728\u56fd\u5916\u4f7f\u7528\u624b\u673a\u65f6\uff0c\u60a8\u7684\u8bbe\u5907\u4f1a\u8fde\u63a5\u5230\u8bbf\u95ee\u7684\u7f51\u7edc\uff0c\u60a8\u56fd\u5185\u7684 HLR\/HSS \u4f1a\u9a8c\u8bc1\u60a8\u7684\u8eab\u4efd\uff0c\u4e24\u4e2a\u7f51\u7edc\u90fd\u4f1a\u66f4\u65b0\u60a8\u7684\u4f4d\u7f6e\uff0c\u6d41\u91cf\u4f1a\u901a\u8fc7\u96a7\u9053\u6216\u9002\u5f53\u7684\u8def\u7531\u8fdb\u884c\u4f20\u8f93\uff0c\u5e76\u5c06\u4f7f\u7528\u60c5\u51b5\u8ba1\u8d39\u56de\u56fd\u5185\u3002.<\/p>\n\n\n\n<p>\u4e3b\u8981\u542f\u793a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8eab\u4efd\u9a8c\u8bc1\u4e0d\u4f1a\u6cc4\u9732\u79d8\u5bc6\u5bc6\u94a5--\u5bb6\u5ead\u7f51\u7edc\u4fdd\u6301\u6743\u5a01\u6027<\/li>\n\n\n\n<li>\u4f4d\u7f6e\u8ddf\u8e2a\u4f7f\u7528\u5206\u7ea7\u533a\u57df\uff0c\u800c\u4e0d\u662f\u7c7b\u4f3c GPS \u7684\u7cbe\u786e\u5ea6<\/li>\n\n\n\n<li>\u7528\u6237\u6570\u636e\u4f3c\u4e4e\u5f80\u5f80\u6765\u81ea\u672c\u56fd IP \u7a7a\u95f4<\/li>\n\n\n\n<li>\u7531\u4e8e HLR \u67e5\u8be2\u548c MSRN \u5206\u914d\uff0c\u6765\u7535\u4f1a\u589e\u52a0\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u653f\u7b56\u63a7\u5236\u4f7f\u8fd0\u8425\u5546\u80fd\u591f\u5b9e\u65bd\u4e0a\u9650\u3001\u8282\u6d41\u548c\u9650\u5236<\/li>\n<\/ul>\n\n\n\n<p>\u968f\u7740\u4f20\u7edf\u7f51\u7edc\u7684\u5173\u95ed\u548c 5G \u72ec\u7acb\u7f51\u7edc\u7684\u6210\u719f\uff0c\u6f2b\u6e38\u5c06\u8d8a\u6765\u8d8a\u591a\u5730\u57fa\u4e8e IP \u548c\u7b56\u7565\u9a71\u52a8\u3002\u4e86\u89e3\u8fd9\u4e9b\u6280\u672f\u5c42\u9762\u6709\u52a9\u4e8e\u60a8\u5728\u65c5\u884c\u65f6\u66f4\u667a\u80fd\u5730\u4fdd\u6301\u8fde\u63a5\uff0c\u5e76\u5c31\u79fb\u52a8\u670d\u52a1\u548c\u8bbe\u5907\u9700\u6c42\u505a\u51fa\u660e\u667a\u51b3\u7b56\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>When your mobile phone connects to a foreign network in a different country, a complex chain of technical processes fires up behind the scenes. This article explains how roaming works technically in mobile networks, covering the signalling, authentication, routing, and billing mechanisms that make international connectivity possible. Roaming lets your SIM keep using your telephone&#8230;<\/p>\n<div><a class=\"read-more button-link\" href=\"https:\/\/blog.lebara.co.uk\/zh\/how-roaming-works-technically-in-mobile-networks\/\">\u66f4\u591a\u4fe1\u606f<\/a><\/div>","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-4006","post","type-post","status-publish","format-standard","hentry","category-phones","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/4006","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/comments?post=4006"}],"version-history":[{"count":2,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/4006\/revisions"}],"predecessor-version":[{"id":4020,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/4006\/revisions\/4020"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/media?parent=4006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/categories?post=4006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/tags?post=4006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}