{"id":127239,"date":"2025-04-27T08:00:00","date_gmt":"2025-04-27T01:00:00","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=127239"},"modified":"2025-04-27T20:30:58","modified_gmt":"2025-04-27T13:30:58","slug":"viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028\/","title":{"rendered":"Vi\u1ec7t Nam ch\u1ec9 c\u00f2n m\u1ea1ng 4G v\u00e0 5G tr\u1edf l\u00ean t\u1eeb n\u0103m 2028"},"content":{"rendered":"\n<p>G\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 m\u1ea1ng \u0111\u00e3 ch\u1ee7 \u0111\u1ed9ng g\u1eedi tin nh\u1eafn \u0111\u1ebfn nh\u1eefng thu\u00ea bao v\u1eabn s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i \u0111\u1eddi c\u0169, khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00f9ng n\u00e2ng c\u1ea5p l\u00ean thi\u1ebft b\u1ecb c\u00f3 h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 tho\u1ea1i VoLTE. Nh\u1eefng ai n\u00e2ng c\u1ea5p trong th\u1eddi \u0111i\u1ec3m n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u \u0111\u00e3i nh\u01b0 c\u1ed9ng th\u00eam th\u1eddi l\u01b0\u1ee3ng g\u1ecdi ho\u1eb7c h\u1ed7 tr\u1ee3 gi\u00e1 thi\u1ebft b\u1ecb m\u1edbi.<\/p>\n\n\n\n<p>VoLTE (Voice over LTE) l\u00e0 c\u00f4ng ngh\u1ec7 g\u1ecdi tho\u1ea1i ch\u1ea5t l\u01b0\u1ee3ng cao th\u00f4ng qua m\u1ea1ng 4G LTE, thay v\u00ec d\u00f9ng m\u1ea1ng 2G hay 3G nh\u01b0 tr\u01b0\u1edbc. V\u1edbi VoLTE, ng\u01b0\u1eddi d\u00f9ng s\u1ebd c\u00f3 tr\u1ea3i nghi\u1ec7m \u00e2m thanh r\u00f5 n\u00e9t h\u01a1n, cu\u1ed9c g\u1ecdi k\u1ebft n\u1ed1i nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n. \u0110\u1eb7c bi\u1ec7t, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 l\u01b0\u1edbt web hay d\u00f9ng \u1ee9ng d\u1ee5ng Internet trong l\u00fac \u0111ang g\u1ecdi \u0111i\u1ec7n. N\u1ebfu d\u00f9ng thi\u1ebft b\u1ecb kh\u00f4ng h\u1ed7 tr\u1ee3 VoLTE, \u0111i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 chuy\u1ec3n v\u1ec1 m\u1ea1ng 2G ho\u1eb7c 3G khi c\u00f3 cu\u1ed9c g\u1ecdi, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1440\" height=\"900\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028.png\" alt=\"Vi\u1ec7t Nam ch\u1ec9 c\u00f2n m\u1ea1ng 4G v\u00e0 5G tr\u1edf l\u00ean t\u1eeb n\u0103m 2028\" class=\"wp-image-127240\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028.png 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-300x188.png 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-1024x640.png 1024w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-768x480.png 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-150x94.png 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-600x375.png 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-696x435.png 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-1392x870.png 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-1068x668.png 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-672x420.png 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2025\/04\/viet-nam-chi-con-mang-4g-va-5g-tro-len-vao-nam-2028-1344x840.png 1344w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" title=\"\"><figcaption class=\"wp-element-caption\">Vi\u1ec7t Nam ch\u1ec9 c\u00f2n m\u1ea1ng 4G v\u00e0 5G tr\u1edf l\u00ean t\u1eeb n\u0103m 2028<\/figcaption><\/figure>\n\n\n\n<p>\u0110\u00e2y \u0111\u01b0\u1ee3c xem l\u00e0 b\u01b0\u1edbc \u0111i ti\u1ebfp theo c\u1ee7a c\u00e1c nh\u00e0 m\u1ea1ng sau chi\u1ebfn d\u1ecbch lo\u1ea1i b\u1ecf thi\u1ebft b\u1ecb ch\u1ec9 h\u1ed7 tr\u1ee3 2G v\u00e0o n\u0103m ngo\u00e1i. M\u1ee5c ti\u00eau l\u00e0 th\u00fac \u0111\u1ea9y ng\u01b0\u1eddi d\u00f9ng chuy\u1ec3n sang nh\u1eefng thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i h\u01a1n, kh\u00f4ng c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ea1ng 2G v\u00e0 3G.<\/p>\n\n\n\n<p>Theo th\u00f4ng tin t\u1eeb C\u1ee5c Vi\u1ec5n th\u00f4ng (B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7), hi\u1ec7n m\u1ea1ng 2G v\u1eabn \u0111ang \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf Vi\u1ec7t Nam \u0111\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c thi\u1ebft b\u1ecb ch\u01b0a t\u01b0\u01a1ng th\u00edch v\u1edbi VoLTE, c\u0169ng nh\u01b0 ph\u1ee5c v\u1ee5 m\u1ed9t s\u1ed1 d\u1ecbch v\u1ee5 IoT s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng h\u1eb9p. Tuy nhi\u00ean, Vi\u1ec7t Nam c\u0169ng \u0111ang tri\u1ec3n khai nhi\u1ec1u bi\u1ec7n ph\u00e1p nh\u1eb1m khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00e2n chuy\u1ec3n sang d\u00f9ng m\u1ea1ng b\u0103ng r\u1ed9ng t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n<p>Vi\u1ec7c nhi\u1ec1u ng\u01b0\u1eddi v\u1eabn s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb kh\u00f4ng h\u1ed7 tr\u1ee3 VoLTE khi\u1ebfn c\u00e1c nh\u00e0 m\u1ea1ng ch\u01b0a th\u1ec3 t\u1eaft ho\u00e0n to\u00e0n m\u1ea1ng 2G, d\u00f9 \u0111\u00e3 ng\u1eebng cung c\u1ea5p d\u1ecbch v\u1ee5 cho n\u1ec1n t\u1ea3ng n\u00e0y.<\/p>\n\n\n\n<p>C\u1ee5c Vi\u1ec5n th\u00f4ng c\u0169ng cho bi\u1ebft, Vi\u1ec7t Nam \u0111\u1eb7t m\u1ee5c ti\u00eau ng\u1eebng ho\u00e0n to\u00e0n c\u00f4ng ngh\u1ec7 3G v\u00e0o n\u0103m 2028. Khi \u0111\u00f3, h\u1ea1 t\u1ea7ng vi\u1ec5n th\u00f4ng c\u1ea3 n\u01b0\u1edbc s\u1ebd t\u1eadp trung v\u00e0o m\u1ea1ng 4G v\u00e0 5G.<\/p>\n\n\n\n<p>Theo k\u1ebf ho\u1ea1ch tr\u01b0\u1edbc \u0111\u00f3 c\u1ee7a B\u1ed9 Th\u00f4ng tin v\u00e0 Truy\u1ec1n th\u00f4ng (nay l\u00e0 B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7), m\u1ea1ng 2G s\u1ebd \u0111\u01b0\u1ee3c t\u1eaft s\u00f3ng ho\u00e0n to\u00e0n v\u00e0o th\u00e1ng 9\/2026. Vi\u1ec7c d\u1eebng c\u00f4ng ngh\u1ec7 c\u0169 n\u00e0y nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a v\u1eadn h\u00e0nh, gi\u1ea3i ph\u00f3ng t\u00e0i nguy\u00ean t\u1ea7n s\u1ed1 \u0111\u1ec3 \u0111\u1ea7u t\u01b0 cho c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u01b0 4G v\u00e0 5G. Qua \u0111\u00f3, g\u00f3p ph\u1ea7n \u0111\u01b0a ng\u01b0\u1eddi d\u00e2n ti\u1ebfp c\u1eadn nhanh h\u01a1n v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 s\u1ed1 hi\u1ec7n \u0111\u1ea1i nh\u01b0 thanh to\u00e1n \u0111i\u1ec7n t\u1eed, d\u1ecbch v\u1ee5 c\u00f4ng tr\u1ef1c tuy\u1ebfn v\u00e0 nhi\u1ec1u ti\u1ec7n \u00edch kh\u00e1c trong th\u1eddi \u0111\u1ea1i s\u1ed1.<\/p>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan:<\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/viet-nam-ghi-nhan-toc-do-mang-5g-trung-binh-cao-ky-luc\/\">Vi\u1ec7t Nam ghi nh\u1eadn t\u1ed1c \u0111\u1ed9 m\u1ea1ng 5G trung b\u00ecnh cao k\u1ef7 l\u1ee5c<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/toc-do-5g-cua-cac-nha-mang-duoc-cong-khai\/\">T\u1ed1c \u0111\u1ed9 5G c\u1ee7a c\u00e1c nh\u00e0 m\u1ea1ng \u0111\u01b0\u1ee3c c\u00f4ng khai. Ai \u0111ang d\u1eabn \u0111\u1ea7u?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cac-quoc-gia-gap-kho-khan-khi-tat-song-2g\/\">C\u00e1c qu\u1ed1c gia g\u1eb7p kh\u00f3 kh\u0103n ra sao khi ng\u1eebng ph\u00e1t s\u00f3ng m\u1ea1ng 2G?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>G\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 m\u1ea1ng \u0111\u00e3 ch\u1ee7 \u0111\u1ed9ng g\u1eedi tin nh\u1eafn \u0111\u1ebfn nh\u1eefng thu\u00ea bao v\u1eabn s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i \u0111\u1eddi c\u0169, khuy\u1ebfn kh\u00edch ng\u01b0\u1eddi d\u00f9ng n\u00e2ng c\u1ea5p l\u00ean thi\u1ebft b\u1ecb c\u00f3 h\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 tho\u1ea1i VoLTE. Nh\u1eefng ai n\u00e2ng c\u1ea5p trong th\u1eddi \u0111i\u1ec3m n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u \u0111\u00e3i nh\u01b0 c\u1ed9ng th\u00eam th\u1eddi [&hellip;]<\/p>\n","protected":false},"author":37,"featured_media":127240,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[74,1864],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/127239"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/37"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=127239"}],"version-history":[{"count":1,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/127239\/revisions"}],"predecessor-version":[{"id":127241,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/127239\/revisions\/127241"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/127240"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=127239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=127239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=127239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}