{"id":4882,"date":"2010-09-09T10:00:07","date_gmt":"2010-09-09T03:00:07","guid":{"rendered":"http:\/\/snt.com.vn\/blog\/?p=383"},"modified":"2010-09-09T10:00:07","modified_gmt":"2010-09-09T03:00:07","slug":"voip-asterisk-%e1%bb%a9ng-d%e1%bb%a5ng","status":"publish","type":"post","link":"https:\/\/snt.com.vn\/blog\/voip-asterisk-%e1%bb%a9ng-d%e1%bb%a5ng\/","title":{"rendered":"VoIP \u2013 Asterisk \u2013 \u1ee8ng d\u1ee5ng"},"content":{"rendered":"<p><strong>T\u1ed5ng quan VoIP<\/strong><\/p>\n<p>1. GI\u1edaI THI\u1ec6U<\/p>\n<ul>\n<li>VoIP l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 cho ph\u00e9p truy\u1ec1n tho\u1ea1i s\u1eed d\u1ee5ng giao th\u1ee9c m\u1ea1ng IP, tr\u00ean c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng s\u1eb5n c\u00f3 c\u1ee7a m\u1ea1ng Internet. VoIP c\u00f3 th\u1ec3 v\u1eeba th\u1ef1c hi\u1ec7n m\u1ecdi lo\u1ea1i cu\u1ed9c g\u1ecdi nh\u01b0 tr\u00ean m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i k\u00eanh truy\u1ec1n th\u1ed1ng (PSTN) \u0111\u1ed3ng th\u1eddi truy\u1ec1n d\u1eef li\u1ec7u tr\u00ean c\u01a1 s\u1edf m\u1ea1ng truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<li>C\u00e1c cu\u1ed9c g\u1ecdi trong VoIP d\u1ef1a tr\u00ean c\u01a1 s\u1edf s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u1ea3 chuy\u1ec3n m\u1ea1ch k\u00eanh v\u00e0 chuy\u1ec3n m\u1ea1ch g\u00f3i. Trong m\u1ed7i lo\u1ea1i chuy\u1ec3n m\u1ea1ch \u0111\u1ec1u c\u00f3 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang c\u1ee7a n\u00f3 v\u00e0 \u0111\u1ec3 s\u1eed d\u1ee5ng \u01b0u \u0111i\u1ec3m c\u1ee7a m\u1ed7i lo\u1ea1i chuy\u1ec3n m\u1ea1ch tr\u00ean th\u00ec VoIP k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng c\u1ea3 hai lo\u1ea1i chuy\u1ec3n m\u1ea1ch k\u00eanh v\u00e0 chuy\u1ec3n m\u1ea1ch g\u00f3i<\/li>\n<li>L\u00fd do s\u1eed d\u1ee5ng VoIP<\/li>\n<\/ul>\n<p><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image002.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"display: block; float: none; margin-left: auto; margin-right: auto; border: 0px;\" title=\"L\u00fd do s\u1eed d\u1ecdng VoIP\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image002_thumb.jpg\" border=\"0\" alt=\"L\u00fd do s\u1eed d\u1ecdng VoIP\" width=\"244\" height=\"127\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>H1.L\u1ee3i \u00edch VoIP<\/em><\/p>\n<p><a name=\"_Toc257812210\"><\/a><a name=\"_Toc257797311\"><\/a><a name=\"_Toc257795381\"><\/a><a name=\"_Toc256490272\"><\/a><a name=\"_Toc256346474\"><\/a><a name=\"_Toc256337363\"><\/a><a name=\"_Toc254599563\"><\/a><a name=\"_Toc254590039\"><\/a><a name=\"_Toc250973209\"><\/a><a name=\"_Toc250972795\"><\/a><a name=\"_Toc250966605\"><\/a><a name=\"_Toc246729420\"><\/a><a name=\"_Toc246729223\"><\/a><a name=\"_Toc246728782\">2. TH\u00c0NH PH\u1ea6N TRONG M\u1ea0NG VOIP<\/a><\/p>\n<p><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image004.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"display: block; float: none; margin-left: auto; margin-right: auto; border: 0px;\" title=\"clip_image004\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image004_thumb.jpg\" border=\"0\" alt=\"clip_image004\" width=\"244\" height=\"103\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>H2.Th\u00e0nh ph\u1ea7n trong m\u1ea1ng VoIP<\/em><\/p>\n<p>&#8211; \u0110\u1ea7u cu\u1ed1i VoIP (Terminal)<a name=\"_Toc255697086\"><\/a><a name=\"_Toc255228009\"><\/a><a name=\"_Toc255226946\"><\/a><a name=\"_Toc255086002\">: Ho\u1ea1t \u0111\u1ed9ng tr\u00ean m\u1ea1ng TCP\/IP<\/a><\/p>\n<p><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image006.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"display: block; float: none; margin-left: auto; margin-right: auto; border: 0px;\" title=\"clip_image006\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image006_thumb.jpg\" border=\"0\" alt=\"clip_image006\" width=\"244\" height=\"82\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a name=\"_Toc257879235\"><\/a><a name=\"_Toc256490839\"><\/a><a name=\"_Toc256347227\"><\/a><a name=\"_Toc255697247\"><\/a><a name=\"_Toc255215617\"><em>H3. Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/em><\/a><em><\/em><\/p>\n<p><a name=\"_Toc255972019\"><\/a><a name=\"_Toc255971663\"><\/a><a name=\"_Toc255971501\"><\/a><a name=\"_Toc255971340\"><\/a><a name=\"_Toc255697087\"><\/a><a name=\"_Toc255228010\"><\/a><a name=\"_Toc255226947\"><\/a><a name=\"_Toc255086003\">&#8211; Gateway<\/a><\/p>\n<ul>\n<li><a name=\"_Toc255086004\">K\u1ebft n\u1ed1i gi\u1eefa m\u1ea1ng IP v\u00e0 PSTN<\/a><\/li>\n<\/ul>\n<p><a href=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image008.jpg\"><img loading=\"lazy\" decoding=\"async\" style=\"display: block; float: none; margin-left: auto; margin-right: auto; border: 0px;\" title=\"clip_image008\" src=\"http:\/\/snt.com.vn\/blog\/wp-content\/uploads\/2010\/09\/clip_image008_thumb.jpg\" border=\"0\" alt=\"clip_image008\" width=\"244\" height=\"62\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><a name=\"_Toc257879236\"><\/a><a name=\"_Toc256490840\"><\/a><a name=\"_Toc256347228\"><\/a><a name=\"_Toc255697248\"><\/a><a name=\"_Toc255215618\"><em>H<\/em><\/a><em>4<\/em><em>. M\u00f4 h\u00ecnh Gateway<\/em><em><\/em><\/p>\n<p><a name=\"_Toc255972021\"><\/a><a name=\"_Toc255971665\"><\/a><a name=\"_Toc255971503\"><\/a><a name=\"_Toc255971342\"><\/a><a name=\"_Toc255697089\"><\/a><a name=\"_Toc255228012\"><\/a><a name=\"_Toc255226949\"><\/a><a name=\"_Toc255086005\">&#8211; <\/a>Multipoint Control Unit<strong><em><\/em><\/strong><\/p>\n<ul>\n<li><a name=\"_Toc255086006\">H\u1ed7 tr\u1ee3 c\u00e1c cu\u1ed9c g\u1ecdi \u0111a \u0111i\u1ec3m<\/a>\n<ul>\n<li>MCU qu\u1ea3n l\u00fd cu\u1ed9c g\u1ecdi gi\u1eefa 3 ho\u1eb7c nhi\u1ec1u h\u01a1n 3 \u0111\u1ea7u cu\u1ed1i<\/li>\n<li>MCU bao g\u1ed3m m\u1ed9t th\u00e0nh ph\u1ea7n b\u1eaft bu\u1ed9c MC (Multipoint Controller) v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n t\u00f9y ch\u1ecdn MP (Multipoint Processor)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><a name=\"_Toc255972023\"><\/a><a name=\"_Toc255971667\"><\/a><a name=\"_Toc255971505\"><\/a><a name=\"_Toc255971344\"><\/a><a name=\"_Toc255697091\"><\/a><a name=\"_Toc255228014\"><\/a><a name=\"_Toc255226951\"><\/a><a name=\"_Toc255086007\">&#8211; VoIP Server<\/a><\/p>\n<ul>\n<li><a name=\"_Toc255972024\"><\/a><a name=\"_Toc255971668\"><\/a><a name=\"_Toc255971506\"><\/a><a name=\"_Toc255971345\"><\/a><a name=\"_Toc255697092\"><\/a><a name=\"_Toc255228015\"><\/a><a name=\"_Toc255226952\"><\/a><a name=\"_Toc255086008\">Qu\u1ea3n l\u00fd\/gi\u00e1m s\u00e1t c\u00e1c th\u00e0nh ph\u1ea7n trong m\u1ea1ng VoIP<\/a><\/li>\n<li>Gi\u00e1m s\u00e1t v\u00e0 \u0111i\u1ec1u khi\u1ec3n ti\u1ebfn tr\u00ecnh cu\u1ed9c g\u1ecdi<\/li>\n<li>Ch\u1ee9c n\u0103ng:<\/li>\n<\/ul>\n<blockquote>\n<ul>\n<li>Chuy\u1ec3n \u0111\u1ed5i \u0111\u1ecba ch\u1ec9<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n ch\u1ea5p nh\u1eadn cu\u1ed9c g\u1ecdi<\/li>\n<li>\u0110i\u1ec1u khi\u1ec3n b\u0103ng th\u00f4ng<\/li>\n<li>Qu\u1ea3n l\u00fd m\u1ea1ng<\/li>\n<li>B\u00e1o hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n cu\u1ed9c g\u1ecdi<\/li>\n<li>C\u1ea5p quy\u1ec1n cu\u1ed9c g\u1ecdi<\/li>\n<li>Qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng<\/li>\n<li>D\u1ecbch v\u1ee5 qu\u1ea3n l\u00fd cu\u1ed9c g\u1ecdi<\/li>\n<li>D\u1ecbch v\u1ee5 th\u01b0 m\u1ee5c<\/li>\n<\/ul>\n<\/blockquote>\n<p>Mr.Khoa<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan VoIP 1. GI\u1edaI THI\u1ec6U VoIP l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 cho ph\u00e9p truy\u1ec1n tho\u1ea1i s\u1eed d\u1ee5ng giao th\u1ee9c m\u1ea1ng<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74,1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VoIP \u2013 Asterisk \u2013 \u1ee8ng d\u1ee5ng - Blog SNT - C\u00f4ng Ty TNHH Si\u00eau Nh\u1eadt Thanh - Sao Nhanh Th\u1ebf<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/snt.com.vn\/blog\/voip-asterisk-\u1ee9ng-d\u1ee5ng\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"VoIP \u2013 Asterisk \u2013 \u1ee8ng d\u1ee5ng - Blog SNT - C\u00f4ng Ty TNHH Si\u00eau Nh\u1eadt Thanh - Sao Nhanh Th\u1ebf\" \/>\n<meta property=\"og:description\" content=\"T\u1ed5ng quan VoIP 1. 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