{"id":5331,"date":"2018-04-26T15:07:01","date_gmt":"2018-04-26T06:07:01","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=5331"},"modified":"2026-02-19T15:29:06","modified_gmt":"2026-02-19T06:29:06","slug":"troubleshooting","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/vi\/thu-cong\/videoconference_voicecall\/xu-ly-su-co","title":{"rendered":"Ph\u1ea3i l\u00e0m g\u00ec n\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng h\u1ed9i th\u1ea3o tr\u00ean web \u0111\u00fang c\u00e1ch"},"content":{"rendered":"<p><style type=\"text\/css\"><!--\ntable, th, td {\n    border: none !important;\n}\n--><\/style><\/p>\n\n\n\n<h2>Kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y \u1ea3nh ho\u1eb7c micr\u00f4<\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y \u1ea3nh v\u00e0 micr\u00f4 c\u1ee7a tr\u00ecnh duy\u1ec7t trong h\u1ed9i ngh\u1ecb tr\u00ean web, vui l\u00f2ng ki\u1ec3m tra c\u00e1c b\u01b0\u1edbc sau.<\/p>\n\n\n\n<h3>Ki\u1ec3m tra xem c\u00e1c k\u1ebft n\u1ed1i m\u00e1y \u1ea3nh v\u00e0 micr\u00f4 c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p trong quy\u1ec1n c\u1ee7a tr\u00ecnh duy\u1ec7t hay kh\u00f4ng.<\/h3>\n\n\n\n<p>Xin l\u01b0u \u00fd r\u1eb1ng b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u1ea5p ph\u00e9p khi k\u1ebft n\u1ed1i micr\u00f4 v\u00e0 camera l\u1ea7n \u0111\u1ea7u ti\u00ean nh\u01b0ng n\u1ebfu ch\u1eb7n n\u00f3, b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/chat-messenger.com\/images\/web-conference-camera-permission.png\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-large is-resized\"><img src=\"https:\/\/chat-messenger.com\/images\/web-conference-camera-block.png\" alt=\"\" width=\"259\" height=\"280\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3>C\u00e1ch ly s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i camera<\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n g\u1eb7p s\u1ef1 c\u1ed1 v\u1edbi Tr\u00f2 chuy\u1ec7n&amp;Messenger,<a href=\"https:\/\/webrtc.github.io\/samples\/src\/content\/devices\/input-output\/\" target=\"_blank\" rel=\"noopener\">m\u1eabu WebRTC<\/a> Nh\u01b0ng h\u00e3y c\u00e1ch ly n\u1ebfu c\u00f3 v\u1ea5n \u0111\u1ec1.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i camera ngay c\u1ea3 v\u1edbi c\u00e1c m\u1eabu WebRTC \u1edf tr\u00ean th\u00ec c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1edbi b\u1ea3n c\u1eadp nh\u1eadt Windows c\u1ee7a PC ho\u1eb7c s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa camera v\u00e0 tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u00e2m thanh v\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng h\u1ed9i ngh\u1ecb web cho b\u1ea5t k\u1ef3 d\u1ecbch v\u1ee5 n\u00e0o, kh\u00f4ng ch\u1ec9 Chat. &amp; Ng\u01b0\u1eddi \u0111\u01b0a tin. .<\/p>\n\n\n\n<p>&quot;<a href=\"https:\/\/support.microsoft.com\/ja-jp\/help\/13753\/windows-10-camera-does-not-work\" target=\"_blank\" rel=\"noopener\">M\u00e1y \u1ea3nh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean Windows 10<\/a>\u201d trang v\u00e0 tham kh\u1ea3o \u00fd ki\u1ebfn h\u1ed7 tr\u1ee3 CNTT.<\/p>\n\n\n\n<h2>Ti\u1ebfng h\u00fa x\u1ea3y ra<\/h2>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -internal\" data-type=\"type1\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">T\u00f4i c\u0169ng mu\u1ed1n \u0111\u1ecdc n\u00f3<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img src=\"https:\/\/chat-messenger.com\/wp-content\/uploads\/2023\/11\/echo_howling.webp\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/chat-messenger.com\/vi\/blog\/hoi-nghi-truyen-hinh_howling_echo\">Lo\u1ea1i b\u1ecf s\u1ef1 c\u0103ng th\u1eb3ng c\u1ee7a h\u1ed9i ngh\u1ecb web! Nguy\u00ean nh\u00e2n v\u00e0 gi\u1ea3i ph\u00e1p cho ti\u1ebfng h\u00fa<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">[Nguy\u00ean nh\u00e2n v\u00e0 gi\u1ea3i ph\u00e1p cho ti\u1ebfng h\u00fa] Ti\u1ebfng h\u00fa v\u00e0 ti\u1ebfng vang l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p khi h\u1ed9i ngh\u1ecb tr\u00ean web v\u00e0 cu\u1ed9c g\u1ecdi video tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. \u0110\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y tr\u01b0\u1edbc h\u1ebft h\u00e3y t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n...<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<h2>C\u00e1ch ki\u1ec3m tra cu\u1ed9c g\u1ecdi<\/h2>\n\n\n\n<p>N\u1ebfu kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec v\u1edbi k\u1ebft n\u1ed1i camera\/\u00e2m thanh, b\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng kh\u00e1c ho\u1eb7c n\u1ebfu b\u1ea1n \u1edf m\u1ed9t m\u00ecnh, h\u00e3y b\u1eaft \u0111\u1ea7u cu\u1ed9c g\u1ecdi cho ch\u00ednh m\u00ecnh v\u00e0 s\u1eed d\u1ee5ng &quot;tab tr\u00f9ng l\u1eb7p&quot; \u0111\u1ec3 m\u1edf nhi\u1ec1u tab tr\u00ecnh duy\u1ec7t nh\u1eb1m m\u00f4 ph\u1ecfng nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng. th\u1eed nghi\u1ec7m l\u00e0 c\u00f3 th\u1ec3.<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/chat-messenger.com\/images\/chrome_duplicate_tab.png\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p class=\"is-style-big_icon_point\">Trong Chrome\/Edge, b\u1ea1n c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng th\u1eed nghi\u1ec7m v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi b\u1eb1ng c\u00e1ch &quot;sao ch\u00e9p m\u1ed9t tab&quot; <\/p>\n<\/div>\n<\/div>\n\n\n\n<h2>K\u1ebft n\u1ed1i tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/h2>\n\n\n\n<p>Cho d\u00f9 b\u1ea1n s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m n\u00e0o cho h\u1ed9i ngh\u1ecb tr\u00ean web b\u1eb1ng k\u1ebft n\u1ed1i Internet th\u00ec \u0111\u00f3 c\u0169ng l\u00e0 n\u1ed7 l\u1ef1c t\u1ed1t nh\u1ea5t v\u00e0 t\u00f9y thu\u1ed9c v\u00e0o PC v\u00e0 m\u00f4i tr\u01b0\u1eddng m\u1ea1ng c\u1ee7a c\u1ea3 hai b\u00ean, k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i l\u1ea1i. M\u1ee9c \u0111\u1ed9 quan tr\u1ecdng c\u1ee7a b\u1ea1n s\u1ebd thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n c\u00f3 nh\u1eadn th\u1ee9c \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y hay kh\u00f4ng, v\u00ec v\u1eady \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n ph\u1ea3i l\u00e0m quen v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3.<\/p>\n\n\n\n<p>D\u1ef1a tr\u00ean nh\u1eefng \u0111i\u1ec1u tr\u00ean, vui l\u00f2ng ki\u1ec3m tra nh\u1eefng \u0111i\u1ec1u sau \u0111\u00e2y.<\/p>\n\n\n\n<h3>ti\u1ebft ki\u1ec7m giao th\u00f4ng<\/h3>\n\n\n\n<p>Nguy\u00ean t\u1eafc v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi t\u1ed1i \u0111a l\u00e0 \u201c20 ng\u01b0\u1eddi v\u1edbi camera v\u00e0 30 ng\u01b0\u1eddi ch\u1ec9 v\u1edbi \u00e2m thanh\u201d, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u00f9y thu\u1ed9c v\u00e0o m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<p>Ngo\u00e0i ra, n\u1ebfu c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi tham gia, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o ch\u1ec9 ng\u01b0\u1eddi thuy\u1ebft tr\u00ecnh m\u1edbi b\u1eadt m\u00e1y \u1ea3nh, v\u00ec v\u1eady vui l\u00f2ng th\u00f4ng b\u00e1o cho nh\u1eefng ng\u01b0\u1eddi tham gia bi\u1ebft.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, n\u1ebfu \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng c\u1ee7a c\u00f4ng ty b\u1ea1n k\u00e9m v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t \u201c\u0111\u1ed9 ph\u00e2n gi\u1ea3i\u201d v\u00e0 \u201ct\u1ed1c \u0111\u1ed9 khung h\u00ecnh\u201d ti\u00eau chu\u1ea9n cho h\u1ed9i ngh\u1ecb tr\u00ean web. Chi ti\u1ebft l\u00e0&quot;<a href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/videoconference_voicecall\/su-dung-hoi-nghi-web\/#webconf-video-quality-settings\">\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 t\u1ed1c \u0111\u1ed9 khung h\u00ecnh<\/a>&quot;Vui l\u00f2ng tham kh\u1ea3o tr\u01b0\u1edbc .<\/p>\n\n\n<div class=\"wp-block-image is-style-shadow\">\n<figure class=\"alignleft is-resized\"><img src=\"\/images\/webconf-video-quality-settings.png\" alt=\"\" width=\"473\" height=\"276\"\/><\/figure><\/div>\n\n\n<h3>\u0110\u00e3 \u0111\u1ea1t \u0111\u1ebfn gi\u1edbi h\u1ea1n m\u00f4i tr\u01b0\u1eddng m\u1ea1ng<\/h3>\n\n\n\n<p>Khi vi\u1ec7c s\u1eed d\u1ee5ng h\u1ed9i th\u1ea3o tr\u00ean web ng\u00e0y c\u00e0ng t\u0103ng trong c\u00f4ng ty, m\u1ea1ng s\u1ebd b\u1ecb t\u1eafc ngh\u1ebdn v\u00e0 k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 kh\u00f4ng \u1ed5n \u0111\u1ecbnh n\u1ebfu m\u00f4i tr\u01b0\u1eddng m\u1ea1ng n\u1ed9i b\u1ed9 \u0111\u1ea1t c\u00f4ng su\u1ea5t t\u1ed1i \u0111a. \u0110\u1ea7u ti\u00ean, h\u00e3y ki\u1ec3m tra xem t\u1ed1c \u0111\u1ed9 m\u1ea1ng c\u1ee7a c\u00f4ng ty b\u1ea1n c\u00f3 tho\u1ea3i m\u00e1i kh\u00f4ng.<\/p>\n\n\n\n<p>H\u00e3y ki\u1ec3m tra v\u1edbi qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng c\u1ee7a b\u1ea1n, \u0111\u1eb7c bi\u1ec7t khi VPN v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i b\u1ed9 c\u00f3 th\u1ec3 \u0111\u00e3 \u0111\u1eb7t ng\u01b0\u1ee1ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp.<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">H\u1ed9i th\u1ea3o tr\u00ean web Tr\u00f2 chuy\u1ec7n &amp; Messenger<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img src=\"https:\/\/chat-messenger.com\/wp-content\/uploads\/2023\/11\/videoconference_trouble.webp\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/chat-messenger.com\/vi\/blog\/hoi-nghi-truyen-hinh_trouble\/\" target=\"_blank\" rel=\"noopener noreferrer\">T\u1ed5ng h\u1ee3p c\u00e1c gi\u1ea3i ph\u00e1p! Nguy\u00ean nh\u00e2n v\u00e0 gi\u1ea3i ph\u00e1p g\u00e2y gi\u00e1n \u0111o\u1ea1n \u00e2m thanh, h\u00ecnh \u1ea3nh khi h\u1ed9i th\u1ea3o tr\u00ean web | Chat&amp;Messenger cho h\u1ed9i th\u1ea3o tr\u00ean web<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Trong m\u00f4i tr\u01b0\u1eddng kinh doanh ng\u00e0y nay, h\u1ed9i ngh\u1ecb tr\u00ean web v\u00e0 cu\u1ed9c g\u1ecdi video l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 li\u00ean l\u1ea1c h\u00e0ng ng\u00e0y. V\u1ea5n \u0111\u1ec1 gi\u00e1n \u0111o\u1ea1n video v\u00e0 \u00e2m thanh trong c\u00e1c cu\u1ed9c h\u1ecdp l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u00f2i h\u1ecfi s\u1ef1 giao ti\u1ebfp hi\u1ec7u qu\u1ea3.<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">H\u1ed9i th\u1ea3o tr\u00ean web Tr\u00f2 chuy\u1ec7n &amp; Messenger<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img src=\"https:\/\/chat-messenger.com\/wp-content\/uploads\/2021\/05\/cam_slide_ja_hojo.png\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/videoconference_voicecall\/luu-luong-truy-cap-mang-hoi-nghi-web\/\" target=\"_blank\" rel=\"noopener noreferrer\">L\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng h\u1ed9i ngh\u1ecb tr\u00ean web | H\u1ed9i ngh\u1ecb tr\u00ean web Tr\u00f2 chuy\u1ec7n&amp;Messenger<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">Ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i th\u00edch l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn trung t\u00e2m n\u1ed9i b\u1ed9 trong m\u1ed9t t\u1ed5 ch\u1ee9c khi t\u1ed5 ch\u1ee9c h\u1ed9i ngh\u1ecb web Chat&amp;Messenger. Bi\u1ec3u \u0111\u1ed3 so s\u00e1nh v\u1ec1 chia s\u1ebb \u00e2m thanh, camera v\u00e0 t\u00e0i li\u1ec7u Ch\u00fang t\u00f4i \u0111\u00e3 t\u1ed5 ch\u1ee9c m\u1ed9t h\u1ed9i ngh\u1ecb tr\u00ean web...<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<h3>Ki\u1ec3m tra xem c\u1ed5ng UDP 10000 c\u00f3 kh\u1ea3 d\u1ee5ng kh\u00f4ng<\/h3>\n\n\n\n<p>N\u1ebfu c\u00f3 3 ng\u01b0\u1eddi tr\u1edf l\u00ean k\u1ebft n\u1ed1i, m\u00e1y ch\u1ee7 s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n sang SFU, chuy\u1ec3n ti\u1ebfp m\u00e1y ch\u1ee7, nh\u01b0ng vui l\u00f2ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u1eadn chuy\u1ec3n: UDP v\u00e0 c\u1ed5ng t\u1eeb xa: 10000 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<br><mark>N\u1ebfu t\u01b0\u1eddng l\u1eeda c\u1ee7a c\u00f4ng ty b\u1ea1n nghi\u00eam ng\u1eb7t v\u00e0 UDP \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n sang TCP nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch cho c\u00e1c cu\u1ed9c h\u1ecdp c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi tham gia.<\/mark><\/p>\n\n\n<div class=\"wp-block-image is-style-shadow\">\n<figure class=\"alignleft is-resized\"><img src=\"\/images\/webconf-sfu-udp.png\" alt=\"\" width=\"333\" height=\"404\"\/><\/figure><\/div>\n\n\n<h3>Kh\u00f4ng \u1ed5n \u0111\u1ecbnh khi s\u1eed d\u1ee5ng VPN<\/h3>\n\n\n\n<p>Khi k\u1ebft n\u1ed1i qua VPN, l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp t\u1eadp trung v\u00e0o m\u00e1y ch\u1ee7 VPN, m\u00e1y ch\u1ee7 n\u00e0y kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ed9i ngh\u1ecb tr\u00ean web. Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c t\u0103ng m\u00e1y ch\u1ee7 VPN (th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt\/b\u0103ng th\u00f4ng) s\u1ebd gi\u00fap b\u1ea1n tho\u1ea3i m\u00e1i h\u01a1n, nh\u01b0ng n\u1ebfu \u0111i\u1ec1u n\u00e0y kh\u00f3 kh\u0103n, b\u1ea1n s\u1ebd c\u1ea7n gi\u1ea3m thi\u1ec3u vi\u1ec7c s\u1eed d\u1ee5ng camera v\u00e0 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h3>Ch\u00eanh l\u1ec7ch th\u1eddi gian tr\u00ean PC kh\u00e1ch<\/h3>\n\n\n\n<p>N\u1ebfu th\u1eddi gian tr\u00ean PC kh\u00e1ch kh\u00f4ng ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 x\u1ea3y ra c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 kh\u00f4ng th\u1ec3 tham gia cu\u1ed9c h\u1ecdp, v\u00ec v\u1eady vui l\u00f2ng \u0111\u1eb7t th\u1eddi gian ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3>Lo\u1ea1i tr\u1eeb ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt<\/h3>\n\n\n\n<p>Tr\u01b0\u1edbc \u0111\u00e2y, trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00e3 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt (ti\u00eau di\u1ec7t vi-r\u00fat), giao ti\u1ebfp tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh n\u1ebfu kh\u00f4ng th\u1ef1c hi\u1ec7n c\u00e0i \u0111\u1eb7t lo\u1ea1i tr\u1eeb.<br>V\u1ec1 camapp, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch lo\u1ea1i n\u00f3 kh\u1ecfi c\u00e1c l\u1ea7n qu\u00e9t sau.<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u30fb\u0110\u1ed1i v\u1edbi c\u00e0i \u0111\u1eb7t th\u00f4ng th\u01b0\u1eddng, ph\u1ea7n sau \u0111\u00e2y l\u00e0 C:\\Users\\&lt;username&gt;\\AppData\\Local\\Programs\\camapp.. \u30fbN\u1ebfu phi\u00ean b\u1ea3n t\u00f9y ch\u1ec9nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 c\u00e0i \u0111\u1eb7t trong T\u1ec7p ch\u01b0\u01a1ng tr\u00ecnh, ph\u1ea7n sau l\u00e0 C:\\Program Files\\campapp.\n<\/pre>\n\n\n\n<h2><a name=\"webmeeting_firewall\"><\/a>Khi kh\u1edfi \u0111\u1ed9ng m\u00e1y ch\u1ee7 video v\u1edbi CAMServer t\u1ea1i ch\u1ed7<\/h2>\n\n\n\n<p><a href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/camserver\/camserver_overview\/\" target=\"_blank\" rel=\"noopener\">M\u00e1y ch\u1ee7 CAM<\/a> B\u1eb1ng c\u00e1ch gi\u1edbi thi\u1ec7u t\u00ednh n\u0103ng n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t m\u00e1y ch\u1ee7 video trong m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a c\u00f4ng ty m\u00ecnh v\u00e0 ti\u1ebfn h\u00e0nh c\u00e1c h\u1ed9i ngh\u1ecb tr\u00ean web.<\/p>\n\n\n\n<p>N\u1ebfu k\u1ebft n\u1ed1i camera v\u00e0 \u00e2m thanh v\u1eabn \u1ed5n nh\u01b0ng b\u1ea1n kh\u00f4ng th\u1ec3 n\u00f3i chuy\u1ec7n v\u1edbi b\u00ean kia, vui l\u00f2ng ki\u1ec3m tra nh\u1eefng \u0111i\u1ec1u sau.<\/p>\n\n\n\n<h3>Kh\u1edfi \u0111\u1ed9ng m\u00e1y ch\u1ee7 video<\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng h\u1ed9i ngh\u1ecb web t\u1ea1i ch\u1ed7, b\u1ea1n c\u1ea7n kh\u1edfi \u0111\u1ed9ng m\u00e1y ch\u1ee7 video. Chi ti\u1ebft l\u00e0 <a href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/camserver\/cach_to_install_camserver\/#enterprise_video_server\/\" target=\"_blank\" rel=\"noopener\">Kh\u1edfi \u0111\u1ed9ng m\u00e1y ch\u1ee7 video tr\u00ean CAMServer (Enterprise)<\/a> Vui l\u00f2ng tham kh\u1ea3o tr\u01b0\u1edbc.<\/p>\n\n\n<div class=\"wp-block-image is-style-shadow\">\n<figure class=\"alignleft is-resized\"><img src=\"\/images\/start-video-server.jpg\" alt=\"\" width=\"515\" height=\"266\"\/><\/figure><\/div>\n\n\n<h3>Windows Defender \u307e\u305f\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u30c4\u30fc\u30eb\u3067\u9664\u5916\u8a2d\u5b9a<\/h3>\n\n\n\n<p>Windows Defender\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fc\u30c4\u30fc\u30eb\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001CAMServer \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30d5\u30a9\u30eb\u30c0\u306e\u9664\u5916\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"point\"><a href=\"https:\/\/faq.nec-lavie.jp\/qasearch\/1007\/app\/servlet\/relatedqa?QID=018507\" rel=\"noopener\" target=\"_blank\">C\u00e1ch ng\u0103n Defender qu\u00e9t c\u00e1c t\u1ec7p v\u00e0 th\u01b0 m\u1ee5c c\u1ee5 th\u1ec3<\/a> Vui l\u00f2ng tham kh\u1ea3o tr\u01b0\u1edbc.<\/div>\n\n\n\n<h3 id=\"Firewall\">C\u00e0i \u0111\u1eb7t t\u01b0\u1eddng l\u1eeda<\/h3>\n\n\n\n<ul><li>Vui l\u00f2ng ki\u1ec3m tra xem ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt c\u1ee7a b\u1ea1n c\u00f3 ch\u1eb7n giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7 video hay kh\u00f4ng.<span class=\"swl-marker mark_blue\">C\u00e1c ch\u01b0\u01a1ng tr\u00ecnh m\u1ee5c ti\u00eau nh\u01b0 sau v\u00e0 t\u1ea5t c\u1ea3 ph\u1ea3i b\u1ecb h\u1ee7y b\u1ecf.<\/span><ul><li>CAMServer\\camserver.exe<\/li><li>CAMServer\\jre\\bin\\java.exe<\/li><li>CAMServer\\sys\\openfire\\cam-videoserver.exe<div class=\"point\">* T\u01b0\u1eddng l\u1eeda Windows s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng c\u1ea5u h\u00ecnh trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t ban \u0111\u1ea7u. N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt kh\u00e1c, vui l\u00f2ng m\u1edf giao ti\u1ebfp theo c\u00e1ch th\u1ee7 c\u00f4ng.<\/div><\/li><\/ul><\/li><li>Nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i m\u00e1y kh\u00e1ch kh\u00e1c nhau \u21d2 C\u00e1c c\u1ed5ng giao ti\u1ebfp c\u1ea7n thi\u1ebft cho k\u1ebft n\u1ed1i CAMServer l\u00e0 TCP 8080, TCP 443, UDP 3478 v\u00e0 UDP 10000. <span class=\"swl-marker mark_blue\">Chi ti\u1ebft l\u00e0&quot;<a rel=\"noreferrer noopener\" href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/camserver\/su-dung-cong\/\" data-type=\"URL\" data-id=\"https:\/\/chat-messenger.com\/manual\/camserver\/port-usage\" target=\"_blank\">C\u00e1c c\u1ed5ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi CAMServer<\/a>&quot;th\u1ea9m quy\u1ec1n gi\u1ea3i quy\u1ebft.<\/span><\/li><li>N\u1ebfu n\u00f3 tho\u1ea3i m\u00e1i v\u1edbi 2 ng\u01b0\u1eddi d\u00f9ng nh\u01b0ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh do c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng, h\u00e3y chuy\u1ec3n sang ngang h\u00e0ng cho 2 ng\u01b0\u1eddi d\u00f9ng v\u00e0 chuy\u1ec3n sang SFU v\u1edbi m\u00e1y ch\u1ee7 video l\u00e0m chuy\u1ec3n ti\u1ebfp cho nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng. V\u00ec v\u1eady, h\u00e3y ki\u1ec3m tra c\u1ea9n th\u1eadn xem giao ti\u1ebfp CAMServer c\u00f3 b\u1ecb ch\u1eb7n hay kh\u00f4ng.<\/li><\/ul>\n\n\n\n<h3><a name=\"behindNAT\"><\/a>Khi \u0111\u1eb7t CAMServer ph\u00eda sau NAT<\/h3>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111\u1eb7t CAMServer ph\u00eda sau NAT, \u0111\u1ecba ch\u1ec9 IP c\u1ee7a CAMServer m\u00e0 m\u00e1y kh\u00e1ch nh\u00ecn th\u1ea5y th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 kh\u00e1c do b\u1ea3n d\u1ecbch NAT. H\u1ed9i th\u1ea3o tr\u00ean web y\u00eau c\u1ea7u li\u00ean l\u1ea1c tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c m\u00e1y kh\u00e1ch CAMServer&lt;&gt;, do \u0111\u00f3 k\u1ebft n\u1ed1i s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u0169.<\/p>\n\n\n<div class=\"wp-block-image is-style-shadow\">\n<figure class=\"alignleft is-resized\"><img src=\"\/images\/camserver_nat_behind.png\" alt=\"\" width=\"609\" height=\"263\"\/><\/figure><\/div>\n\n\n<p>N\u1ebfu n\u00f3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi <code>CAMServer\/boot.ini<\/code> \u0110\u1eb7t \u0111\u1ecba ch\u1ec9 IP CAMServer s\u1ebd \u0111\u01b0\u1ee3c d\u1ecbch NAT v\u00e0 \u0111\u01b0\u1ee3c m\u00e1y kh\u00e1ch nh\u1eadn d\u1ea1ng trong t\u1ec7p. Theo c\u1ea5u h\u00ecnh c\u1ee7a s\u01a1 \u0111\u1ed3 <code>10.1.1.X<\/code> H\u00e3y \u0111\u1eb7t.<\/p>\n\n\n\n<p class=\"is-style-crease\">cam.natPublicAddress=10.1.1.X <\/p>\n\n\n\n<div class=\"point\">\n<ul>\n<li>Khi tri\u1ec3n khai CAMServer trong trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c \u0111\u00e1m m\u00e2y (AWS\/GCP...), c\u1ea7n xem x\u00e9t chuy\u1ec3n \u0111\u1ed5i NAT v\u00ec l\u00fd do b\u1ea3o m\u1eadt.<\/li>\n<li><code>cam.natPublic\u0110\u1ecba ch\u1ec9<\/code> C\u00e0i \u0111\u1eb7t n\u00e0y s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng k\u1ebft n\u1ed1i b\u1eb1ng \u0111\u1ecba ch\u1ec9 IP th\u1ef1c. Ngo\u00e0i ra, ngay c\u1ea3 khi c\u00f3 kh\u00e1ch h\u00e0ng truy c\u1eadp th\u00f4ng qua chuy\u1ec3n \u0111\u1ed5i NAT v\u00e0 \u0111\u1ecba ch\u1ec9 IP th\u1ef1c, h\u1ecd v\u1eabn c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t h\u1ed9i ngh\u1ecb web.<\/li>\n<li><code>CAMServer\/boot.ini<\/code> Ch\u1ec9nh s\u1eeda t\u1eadp tin sau khi d\u1eebng CAMServer.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<h3>Khi tri\u1ec3n khai CAMServer tr\u00ean VMware<\/h3>\n\n\n\n<p>Khi tri\u1ec3n khai CAMServer tr\u00ean VMware, b\u1ea1n ph\u1ea3i ch\u1ecdn &quot;Bridged Network&quot; trong c\u1ea5u h\u00ecnh m\u1ea1ng. Chi ti\u1ebft l\u00e0<a href=\"https:\/\/qiita.com\/Higemal\/items\/b8124b047a3d0393e697\" target=\"_blank\" rel=\"noopener\">\u0111\u00e2y<\/a>Vui l\u00f2ng tham kh\u1ea3o tr\u01b0\u1edbc.<\/p>\n\n\n\n<ol><li>m\u1ea1ng l\u01b0\u1edbi c\u1ea7u<\/li><li>m\u1ea1ng ch\u1ec9 c\u00f3 m\u00e1y ch\u1ee7<\/li><li>D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT) M\u1ea1ng &lt;\u2013m\u1eb7c \u0111\u1ecbnh<\/li><\/ol>\n\n\n\n<h3>CAMServer ph\u1ea3i \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i<\/h3>\n\n\n\n<p><a href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/camserver\/camserver_restart\/\" target=\"_blank\" rel=\"noopener\">Kho\u1ea3ng th\u1eddi gian kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y ch\u1ee7 CAM <\/a>H\u00e3y ki\u1ec3m tra.<\/p>\n\n\n\n<h3>N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft<\/h3>\n\n\n\n<p>N\u1ebfu t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u tr\u00ean \u0111\u1ec1u \u0111\u00fang m\u00e0 b\u1ea1n v\u1eabn kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i, vui l\u00f2ng g\u1eedi nh\u1eadt k\u00fd cho ch\u00fang t\u00f4i.<\/p>\n\n\n\n<h4>ph\u00eda kh\u00e1ch h\u00e0ng<\/h4>\n\n\n\n<p>N\u1ebfu b\u1ea1n g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi h\u1ed9i th\u1ea3o tr\u00ean web, v.v., vui l\u00f2ng m\u1edf DevTools, ch\u1ecdn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n b\u00ean ph\u1ea3i, ch\u1ecdn l\u1ed7i v\u00e0 ch\u1ee5p m\u00e0n h\u00ecnh g\u1eedi cho ch\u00fang t\u00f4i.<\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<p>\u1ee8ng d\u1ee5ng web ch\u1ec9 d\u00e0nh cho tr\u00ecnh duy\u1ec7t<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/chat-messenger.com\/images\/bugreport-electron.png\" alt=\"\"\/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p>Phi\u00ean b\u1ea3n tr\u00ecnh duy\u1ec7t ti\u00eau chu\u1ea9n<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/chat-messenger.com\/images\/bugreport-br.png\" alt=\"\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4>CAMPh\u00eda m\u00e1y ch\u1ee7<\/h4>\n\n\n\n<p><a href=\"https:\/\/chat-messenger.com\/vi\/thu-cong\/etc\/bao-cao-loi\/#sec5\" rel=\"noopener\" target=\"_blank\">B\u00e1o c\u00e1o l\u1ed7i CAMServer<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y \u1ea3nh ho\u1eb7c micr\u00f4 N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u00e1y \u1ea3nh ho\u1eb7c micr\u00f4 c\u1ee7a tr\u00ecnh duy\u1ec7t trong h\u1ed9i ngh\u1ecb tr\u00ean web, vui l\u00f2ng ki\u1ec3m tra theo th\u1ee9 t\u1ef1 sau [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":""},"categories":[12],"tags":[],"_links":{"self":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/5331"}],"collection":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/comments?post=5331"}],"version-history":[{"count":10,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/5331\/revisions"}],"predecessor-version":[{"id":12544,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/posts\/5331\/revisions\/12544"}],"wp:attachment":[{"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/media?parent=5331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/categories?post=5331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chat-messenger.com\/vi\/wp-json\/wp\/v2\/tags?post=5331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}