{"id":11202,"date":"2025-11-07T07:29:42","date_gmt":"2025-11-07T00:29:42","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=11202"},"modified":"2025-11-07T08:09:04","modified_gmt":"2025-11-07T01:09:04","slug":"voip-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/voip-la-gi\/","title":{"rendered":"VoIP l\u00e0 g\u00ec? L\u1ee3i \u00edch, 4 h\u00ecnh th\u1ee9c &#038; C\u00e1ch ch\u1ecdn mua \u0111i\u1ec7n tho\u1ea1i VoIP"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#VoIP-la-gi\" >VoIP l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Nguyen-ly-hoat-dong-cua-VoIP\" >Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a VoIP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Chuyen-doi-tin-hieu-Analog-to-Digital\" >Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u (Analog to Digital)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Dong-goi-du-lieu\" >\u0110\u00f3ng g\u00f3i d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Truyen-tai-qua-Internet\" >Truy\u1ec1n t\u1ea3i qua Internet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Tai-tao-tin-hieu\" >T\u00e1i t\u1ea1o t\u00edn hi\u1ec7u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#07-Loi-ich-vuot-troi-khi-chuyen-doi-sang-Tong-dai-VoIP\" >07 L\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i khi chuy\u1ec3n \u0111\u1ed5i sang T\u1ed5ng \u0111\u00e0i VoIP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Tiet-kiem-chi-phi-toi-da\" >Ti\u1ebft ki\u1ec7m chi ph\u00ed t\u1ed1i \u0111a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Tang-tinh-chuyen-nghiep\" >T\u0103ng t\u00ednh chuy\u00ean nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Linh-hoat-va-khong-gioi-han-dia-ly\" >Linh ho\u1ea1t v\u00e0 kh\u00f4ng gi\u1edbi h\u1ea1n \u0111\u1ecba l\u00fd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#De-dang-quan-ly-va-do-luong\" >D\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 \u0111o l\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Kha-nang-mo-rong-khong-gioi-han\" >Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng kh\u00f4ng gi\u1edbi h\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Tich-hop-manh-me-voi-cac-phan-mem-khac\" >T\u00edch h\u1ee3p m\u1ea1nh m\u1ebd v\u1edbi c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Chat-luong-cuoc-goi-on-dinh\" >Ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi \u1ed5n \u0111\u1ecbnh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#So-sanh-VoIP-va-Dien-thoai-truyen-thong-PSTN\" >So s\u00e1nh VoIP v\u00e0 \u0110i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng (PSTN)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Nhung-thiet-bi-can-thiet-de-su-dung-VoIP-hieu-qua\" >Nh\u1eefng thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eed d\u1ee5ng VoIP hi\u1ec7u qu\u1ea3<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#1-He-thong-tong-dai-VoIP-PBX\" >1. H\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i VoIP (PBX)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#2-Dien-thoai-IP-VoIP-Phone\" >2. \u0110i\u1ec7n tho\u1ea1i IP (VoIP Phone)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#3-Thiet-bi-di-dong-may-tinh-va-cac-thiet-bi-co-ket-noi-mang\" >3. Thi\u1ebft b\u1ecb di \u0111\u1ed9ng, m\u00e1y t\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 k\u1ebft n\u1ed1i m\u1ea1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#4-VoIP-Gateway-Bo-chuyen-doi-VoIP\" >4. VoIP Gateway (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i VoIP)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Cac-hinh-thuc-goi-VoIP-pho-bien-hien-nay\" >C\u00e1c h\u00ecnh th\u1ee9c g\u1ecdi VoIP ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#1-Goi-tu-may-tinh-den-may-tinh-PC-to-PC\" >1. G\u1ecdi t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn m\u00e1y t\u00ednh (PC to PC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#2-Goi-tu-may-tinh-den-dien-thoai-PC-to-Phone\" >2. G\u1ecdi t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i (PC to Phone)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#3-Goi-tu-dien-thoai-den-may-tinh-Phone-to-PC\" >3. G\u1ecdi t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn m\u00e1y t\u00ednh (Phone to PC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#4-Goi-tu-dien-thoai-den-dien-thoai-Phone-to-Phone\" >4. G\u1ecdi t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i (Phone to Phone)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Ung-dung-thuc-te-cua-VoIP-trong-doanh-nghiep\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a VoIP trong doanh nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Nhung-luu-y-quan-trong-khi-su-dung-dich-vu-VoIP\" >Nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 VoIP<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#1-Kiem-tra-do-tuong-thich-voi-tuong-lua-Firewall\" >1. Ki\u1ec3m tra \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch v\u1edbi t\u01b0\u1eddng l\u1eeda (Firewall)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#2-Tan-dung-cac-tuy-chon-bao-mat-co-san\" >2. T\u1eadn d\u1ee5ng c\u00e1c t\u00f9y ch\u1ecdn b\u1ea3o m\u1eadt c\u00f3 s\u1eb5n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#3-Thiet-lap-va-kiem-tra-cau-hinh-bao-mat\" >3. Thi\u1ebft l\u1eadp v\u00e0 ki\u1ec3m tra c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/#Cach-chon-mua-he-thong-dien-thoai-VoIP-phu-hop\" >C\u00e1ch ch\u1ecdn mua h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i VoIP ph\u00f9 h\u1ee3p<\/a><\/li><\/ul><\/nav><\/div>\n<p>B\u1ea1n \u0111ang \u0111au \u0111\u1ea7u v\u00ec c\u01b0\u1edbc ph\u00ed \u0111i\u1ec7n tho\u1ea1i doanh nghi\u1ec7p ng\u00e0y c\u00e0ng ph\u00ecnh to? VoIP (Voice over Internet Protocol) ch\u00ednh l\u00e0 l\u1eddi gi\u1ea3i \u0111\u00e1p. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 li\u00ean l\u1ea1c \u0111\u1ed9t ph\u00e1 gi\u00fap thay th\u1ebf ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u chi ti\u1ebft <a href=\"https:\/\/interdata.vn\/blog\/voip-la-gi\/\"><strong>c\u00f4ng ngh\u1ec7 VoIP l\u00e0 g\u00ec<\/strong><\/a>, <strong>nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/strong>, nh\u1eefng <strong>l\u1ee3i \u00edch<\/strong> kh\u00f4ng th\u1ec3 b\u1ecf l\u1ee1 v\u00e0 <strong>c\u00e1ch tri\u1ec3n khai\/c\u00e1ch mua hi\u1ec7u qu\u1ea3<\/strong>, gi\u00fap doanh nghi\u1ec7p ti\u1ebft ki\u1ec7m \u0111\u1ebfn 70% chi ph\u00ed v\u00e0 n\u00e2ng cao s\u1ee9c c\u1ea1nh tranh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"VoIP-la-gi\"><\/span><strong>VoIP l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>VoIP l\u00e0 g\u00ec?<\/strong> VoIP, vi\u1ebft t\u1eaft c\u1ee7a <strong>Voice over Internet Protocol<\/strong>, l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c g\u1ecdi \u0111i\u1ec7n tho\u1ea1i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i Internet thay v\u00ec d\u00f9ng \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i c\u1ed1 \u0111\u1ecbnh truy\u1ec1n th\u1ed1ng (PSTN &#8211; Public Switched Telephone Network).<\/p>\n<p>Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, thay v\u00ec truy\u1ec1n t\u00edn hi\u1ec7u \u00e2m thanh qua h\u1ea1 t\u1ea7ng d\u00e2y c\u00e1p \u0111\u1ed3ng ph\u1ee9c t\u1ea1p c\u1ee7a ng\u00e0nh vi\u1ec5n th\u00f4ng, c\u00f4ng ngh\u1ec7 VoIP chuy\u1ec3n \u0111\u1ed5i gi\u1ecdng n\u00f3i c\u1ee7a b\u1ea1n th\u00e0nh c\u00e1c g\u00f3i d\u1eef li\u1ec7u s\u1ed1. Nh\u1eefng g\u00f3i d\u1eef li\u1ec7u n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c g\u1eedi qua m\u1ea1ng Internet \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch b\u1ea1n g\u1eedi m\u1ed9t email hay truy c\u1eadp m\u1ed9t trang web.<\/p>\n<figure id=\"attachment_35662\" aria-describedby=\"caption-attachment-35662\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35662\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/VoIP-la-gi.jpg\" alt=\"VoIP l\u00e0 g\u00ec?\" width=\"800\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/VoIP-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/VoIP-la-gi-300x169.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/VoIP-la-gi-768x432.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-35662\" class=\"wp-caption-text\">VoIP l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>\u0110\u00e2y ch\u00ednh l\u00e0 c\u00f4ng ngh\u1ec7 n\u1ec1n t\u1ea3ng \u0111\u1eb1ng sau c\u00e1c \u1ee9ng d\u1ee5ng g\u1ecdi \u0111i\u1ec7n quen thu\u1ed9c m\u00e0 ch\u00fang ta s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y nh\u01b0 Zalo, Skype, Messenger hay WhatsApp. Trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, VoIP \u0111\u01b0\u1ee3c tri\u1ec3n khai d\u01b0\u1edbi d\u1ea1ng c\u00e1c h\u1ec7 th\u1ed1ng chuy\u00ean nghi\u1ec7p h\u01a1n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>T\u1ed5ng \u0111\u00e0i IP<\/strong>, <strong>T\u1ed5ng \u0111\u00e0i \u1ea3o<\/strong> hay <strong>T\u1ed5ng \u0111\u00e0i Cloud<\/strong>.<\/p>\n<p>Nh\u1eefng h\u1ec7 th\u1ed1ng n\u00e0y kh\u00f4ng ch\u1ec9 th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng nghe g\u1ecdi c\u01a1 b\u1ea3n m\u00e0 c\u00f2n cung c\u1ea5p m\u1ed9t lo\u1ea1t t\u00ednh n\u0103ng qu\u1ea3n l\u00fd v\u00e0 v\u1eadn h\u00e0nh th\u00f4ng minh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Nguyen-ly-hoat-dong-cua-VoIP\"><\/span><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a VoIP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e2u h\u1ecfi <strong>VoIP l\u00e0 g\u00ec<\/strong>, ch\u00fang ta c\u1ea7n xem x\u00e9t c\u00e1ch th\u1ee9c c\u00f4ng ngh\u1ec7 n\u00e0y v\u1eadn h\u00e0nh. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a VoIP di\u1ec5n ra qua m\u1ed9t quy tr\u00ecnh g\u1ed3m c\u00e1c b\u01b0\u1edbc ch\u00ednh sau:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chuyen-doi-tin-hieu-Analog-to-Digital\"><\/span><strong>Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u (Analog to Digital)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Khi b\u1ea1n n\u00f3i v\u00e0o thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i (nh\u01b0 \u0111i\u1ec7n tho\u1ea1i IP ho\u1eb7c tai nghe), micro s\u1ebd thu nh\u1eadn s\u00f3ng \u00e2m thanh (t\u00edn hi\u1ec7u analog). M\u1ed9t b\u1ed9 ph\u1eadn g\u1ecdi l\u00e0 Codec (Coder-Decoder) s\u1ebd ngay l\u1eadp t\u1ee9c m\u00e3 h\u00f3a v\u00e0 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u00e2m thanh n\u00e0y th\u00e0nh c\u00e1c g\u00f3i d\u1eef li\u1ec7u s\u1ed1 (digital).<\/p>\n<p>C\u00e1c lo\u1ea1i codec ph\u1ed5 bi\u1ebfn bao g\u1ed3m G.711 (ch\u1ea5t l\u01b0\u1ee3ng cao, kh\u00f4ng n\u00e9n) v\u00e0 G.729 (ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, c\u00f3 n\u00e9n \u0111\u1ec3 ti\u1ebft ki\u1ec7m b\u0103ng th\u00f4ng).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dong-goi-du-lieu\"><\/span><strong>\u0110\u00f3ng g\u00f3i d\u1eef li\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c g\u00f3i d\u1eef li\u1ec7u s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i theo c\u00e1c giao th\u1ee9c Internet. Giao th\u1ee9c ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay l\u00e0 <strong>SIP (Session Initiation Protocol)<\/strong>, ch\u1ecbu tr\u00e1ch nhi\u1ec7m thi\u1ebft l\u1eadp, qu\u1ea3n l\u00fd v\u00e0 k\u1ebft th\u00fac m\u1ed9t phi\u00ean li\u00ean l\u1ea1c (cu\u1ed9c g\u1ecdi). Trong khi \u0111\u00f3, giao th\u1ee9c <strong>RTP (Real-time Transport Protocol)<\/strong> \u0111\u1ea3m nh\u1eadn vi\u1ec7c v\u1eadn chuy\u1ec3n c\u00e1c g\u00f3i d\u1eef li\u1ec7u \u00e2m thanh trong th\u1eddi gian th\u1ef1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Truyen-tai-qua-Internet\"><\/span><strong>Truy\u1ec1n t\u1ea3i qua Internet<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c g\u00f3i d\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c g\u1eedi \u0111i qua m\u1ea1ng Internet, \u0111i t\u1eeb thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n, qua h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i <strong>IP PBX<\/strong> (t\u1ed5ng \u0111\u00e0i nh\u00e1nh ri\u00eang qua giao th\u1ee9c Internet), \u0111\u1ebfn ng\u01b0\u1eddi nh\u1eadn. IP PBX ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung t\u00e2m \u0111i\u1ec1u ph\u1ed1i cu\u1ed9c g\u1ecdi, qu\u1ea3n l\u00fd c\u00e1c m\u00e1y nh\u00e1nh, \u0111\u1ecbnh tuy\u1ebfn cu\u1ed9c g\u1ecdi v\u00e0 cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tai-tao-tin-hieu\"><\/span><strong>T\u00e1i t\u1ea1o t\u00edn hi\u1ec7u<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea1i \u0111\u1ea7u ng\u01b0\u1eddi nh\u1eadn, quy tr\u00ecnh di\u1ec5n ra ng\u01b0\u1ee3c l\u1ea1i. Thi\u1ebft b\u1ecb c\u1ee7a h\u1ecd nh\u1eadn c\u00e1c g\u00f3i d\u1eef li\u1ec7u, gi\u1ea3i n\u00e9n v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u \u00e2m thanh analog. Loa tr\u00ean thi\u1ebft b\u1ecb s\u1ebd ph\u00e1t ra \u00e2m thanh n\u00e0y, cho ph\u00e9p h\u1ecd nghe \u0111\u01b0\u1ee3c gi\u1ecdng n\u00f3i c\u1ee7a b\u1ea1n.<\/p>\n<p>To\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra g\u1ea7n nh\u01b0 t\u1ee9c th\u1eddi, ch\u1ec9 trong v\u00e0i mili gi\u00e2y, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m giao ti\u1ebfp li\u1ec1n m\u1ea1ch kh\u00f4ng kh\u00e1c g\u00ec \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng, mi\u1ec5n l\u00e0 k\u1ebft n\u1ed1i Internet c\u1ee7a b\u1ea1n \u0111\u1ee7 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"07-Loi-ich-vuot-troi-khi-chuyen-doi-sang-Tong-dai-VoIP\"><\/span><strong>07 L\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i khi chuy\u1ec3n \u0111\u1ed5i sang T\u1ed5ng \u0111\u00e0i VoIP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00f4ng ngh\u1ec7 <strong>VoIP l\u00e0 g\u00ec<\/strong> s\u1ebd kh\u00f4ng tr\u1ecdn v\u1eb9n n\u1ebfu kh\u00f4ng ph\u00e2n t\u00edch nh\u1eefng gi\u00e1 tr\u1ecb th\u1ef1c ti\u1ec5n m\u00e0 c\u00f4ng ngh\u1ec7 n\u00e0y mang l\u1ea1i. \u0110\u1ed1i v\u1edbi doanh nghi\u1ec7p, chuy\u1ec3n \u0111\u1ed5i sang t\u1ed5ng \u0111\u00e0i VoIP kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t n\u00e2ng c\u1ea5p c\u00f4ng ngh\u1ec7, m\u00e0 c\u00f2n l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh \u0111\u1ea7u t\u01b0 chi\u1ebfn l\u01b0\u1ee3c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tiet-kiem-chi-phi-toi-da\"><\/span><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed t\u1ed1i \u0111a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 l\u1ee3i \u00edch h\u1ea5p d\u1eabn nh\u1ea5t v\u00e0 l\u00e0 l\u00fd do h\u00e0ng \u0111\u1ea7u khi\u1ebfn c\u00e1c doanh nghi\u1ec7p t\u00ecm \u0111\u1ebfn VoIP.<\/p>\n<ul>\n<li><strong>Gi\u1ea3m c\u01b0\u1edbc vi\u1ec5n th\u00f4ng:<\/strong> C\u01b0\u1edbc ph\u00ed g\u1ecdi qua Internet r\u1ebb h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n th\u1ed1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c cu\u1ed9c g\u1ecdi \u0111\u01b0\u1eddng d\u00e0i v\u00e0 qu\u1ed1c t\u1ebf, c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m t\u1eeb 50% &#8211; 70%.<\/li>\n<li><strong>Mi\u1ec5n ph\u00ed g\u1ecdi n\u1ed9i b\u1ed9:<\/strong> M\u1ecdi cu\u1ed9c g\u1ecdi gi\u1eefa c\u00e1c nh\u00e2n vi\u00ean, c\u00e1c ph\u00f2ng ban, th\u1eadm ch\u00ed gi\u1eefa c\u00e1c chi nh\u00e1nh kh\u00e1c nhau (d\u00f9 \u1edf trong n\u01b0\u1edbc hay qu\u1ed1c t\u1ebf) \u0111\u1ec1u ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed v\u00ec ch\u00fang ch\u1ec9 ch\u1ea1y tr\u00ean m\u1ea1ng Internet n\u1ed9i b\u1ed9.<\/li>\n<li><strong>Kh\u00f4ng chi ph\u00ed \u0111\u1ea7u t\u01b0 h\u1ea1 t\u1ea7ng:<\/strong> Doanh nghi\u1ec7p kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1ea7u t\u01b0 v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i v\u1eadt l\u00fd c\u1ed3ng k\u1ec1nh, \u0111\u1eaft \u0111\u1ecf v\u00e0 t\u1ed1n k\u00e9m chi ph\u00ed b\u1ea3o tr\u00ec, s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Tang-tinh-chuyen-nghiep\"><\/span><strong>T\u0103ng t\u00ednh chuy\u00ean nghi\u1ec7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ec7 th\u1ed1ng VoIP gi\u00fap doanh nghi\u1ec7p, d\u00f9 quy m\u00f4 l\u1edbn hay nh\u1ecf, x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh chuy\u00ean nghi\u1ec7p trong m\u1eaft kh\u00e1ch h\u00e0ng.<\/p>\n<ul>\n<li><strong>L\u1eddi ch\u00e0o t\u1ef1 \u0111\u1ed9ng (IVR):<\/strong> Thi\u1ebft l\u1eadp l\u1eddi ch\u00e0o chuy\u00ean nghi\u1ec7p v\u00e0 h\u01b0\u1edbng d\u1eabn kh\u00e1ch h\u00e0ng t\u01b0\u01a1ng t\u00e1c b\u1eb1ng ph\u00edm b\u1ea5m (V\u00ed d\u1ee5: &#8220;Ch\u00e0o m\u1eebng qu\u00fd kh\u00e1ch \u0111\u00e3 g\u1ecdi \u0111\u1ebfn c\u00f4ng ty ABC, vui l\u00f2ng b\u1ea5m ph\u00edm 1 \u0111\u1ec3 g\u1eb7p b\u1ed9 ph\u1eadn kinh doanh&#8230;&#8221;).<\/li>\n<li><strong>Ph\u00e2n ph\u1ed1i cu\u1ed9c g\u1ecdi th\u00f4ng minh:<\/strong> T\u1ef1 \u0111\u1ed9ng \u0111\u1ecbnh tuy\u1ebfn cu\u1ed9c g\u1ecdi \u0111\u1ebfn \u0111\u00fang nh\u00e2n vi\u00ean ho\u1eb7c ph\u00f2ng ban ph\u1ee5 tr\u00e1ch, gi\u1ea3m th\u1eddi gian ch\u1edd \u0111\u1ee3i c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n<li><strong>Nh\u1ea1c ch\u1edd doanh nghi\u1ec7p:<\/strong> Thay th\u1ebf ti\u1ebfng &#8220;t\u00fat t\u00fat&#8221; \u0111\u01a1n \u0111i\u1ec7u b\u1eb1ng c\u00e1c b\u1ea3n nh\u1ea1c ch\u1edd ho\u1eb7c th\u00f4ng \u0111i\u1ec7p qu\u1ea3ng c\u00e1o th\u01b0\u01a1ng hi\u1ec7u.<\/li>\n<\/ul>\n<figure id=\"attachment_35663\" aria-describedby=\"caption-attachment-35663\" style=\"width: 720px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35663\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Loi-ich-khi-doi-sang-tong-dai-VoIP.jpg\" alt=\"L\u1ee3i \u00edch khi \u0111\u1ed5i sang t\u1ed5ng \u0111\u00e0i VoIP\" width=\"720\" height=\"360\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Loi-ich-khi-doi-sang-tong-dai-VoIP.jpg 720w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Loi-ich-khi-doi-sang-tong-dai-VoIP-300x150.jpg 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><figcaption id=\"caption-attachment-35663\" class=\"wp-caption-text\">L\u1ee3i \u00edch khi \u0111\u1ed5i sang t\u1ed5ng \u0111\u00e0i VoIP<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Linh-hoat-va-khong-gioi-han-dia-ly\"><\/span><strong>Linh ho\u1ea1t v\u00e0 kh\u00f4ng gi\u1edbi h\u1ea1n \u0111\u1ecba l\u00fd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>VoIP ph\u00e1 v\u1ee1 m\u1ecdi r\u00e0o c\u1ea3n v\u1ec1 kh\u00f4ng gian l\u00e0m vi\u1ec7c.<\/p>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng tr\u00ean \u0111a thi\u1ebft b\u1ecb:<\/strong> Nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 nh\u1eadn v\u00e0 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi c\u00f4ng ty tr\u00ean \u0111i\u1ec7n tho\u1ea1i IP \u0111\u1ec3 b\u00e0n, m\u00e1y t\u00ednh (qua ph\u1ea7n m\u1ec1m Softphone) ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng c\u00e1 nh\u00e2n (qua \u1ee9ng d\u1ee5ng).<\/li>\n<li><strong>H\u1ed7 tr\u1ee3 l\u00e0m vi\u1ec7c t\u1eeb xa (Remote Work):<\/strong> Ch\u1ec9 c\u1ea7n c\u00f3 k\u1ebft n\u1ed1i Internet, nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c t\u1ea1i nh\u00e0, qu\u00e1n c\u00e0 ph\u00ea hay b\u1ea5t c\u1ee9 \u0111\u00e2u m\u00e0 v\u1eabn k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i c\u1ee7a c\u00f4ng ty, kh\u00f4ng b\u1ecf l\u1ee1 b\u1ea5t k\u1ef3 cu\u1ed9c g\u1ecdi n\u00e0o c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"De-dang-quan-ly-va-do-luong\"><\/span><strong>D\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 \u0111o l\u01b0\u1eddng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ki\u1ec3m so\u00e1t v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t giao ti\u1ebfp l\u00e0 m\u1ed9t \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a VoIP.<\/p>\n<ul>\n<li><strong>Ghi \u00e2m cu\u1ed9c g\u1ecdi:<\/strong> T\u1ef1 \u0111\u1ed9ng ghi \u00e2m t\u1ea5t c\u1ea3 c\u00e1c cu\u1ed9c g\u1ecdi \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean, gi\u1ea3i quy\u1ebft khi\u1ebfu n\u1ea1i ho\u1eb7c l\u00e0m b\u1eb1ng ch\u1ee9ng giao d\u1ecbch.<\/li>\n<li><strong>B\u00e1o c\u00e1o chi ti\u1ebft:<\/strong> Truy xu\u1ea5t l\u1ecbch s\u1eed cu\u1ed9c g\u1ecdi, xem c\u00e1c b\u00e1o c\u00e1o th\u1ed1ng k\u00ea tr\u1ef1c quan v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi \u0111\u1ebfn\/\u0111i, cu\u1ed9c g\u1ecdi nh\u1ee1, th\u1eddi l\u01b0\u1ee3ng trung b\u00ecnh&#8230; gi\u00fap nh\u00e0 qu\u1ea3n l\u00fd \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a t\u1eebng nh\u00e2n vi\u00ean hay c\u1ea3 \u0111\u1ed9i nh\u00f3m.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Kha-nang-mo-rong-khong-gioi-han\"><\/span><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng kh\u00f4ng gi\u1edbi h\u1ea1n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1edbi t\u1ed5ng \u0111\u00e0i truy\u1ec1n th\u1ed1ng, vi\u1ec7c th\u00eam m\u1ed9t nh\u00e2n vi\u00ean m\u1edbi \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c k\u00e9o th\u00eam d\u00e2y, c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p. VoIP gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<ul>\n<li><strong>Th\u00eam ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng:<\/strong> Khi c\u00f3 nh\u00e2n vi\u00ean m\u1edbi, b\u1ea1n ch\u1ec9 c\u1ea7n t\u1ea1o m\u1ed9t t\u00e0i kho\u1ea3n m\u1edbi tr\u00ean h\u1ec7 th\u1ed1ng qu\u1ea3n tr\u1ecb web. Vi\u1ec7c th\u00eam ho\u1eb7c b\u1edbt h\u00e0ng ch\u1ee5c, h\u00e0ng tr\u0103m ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 m\u1ea5t v\u00e0i ph\u00fat.<\/li>\n<li><strong>L\u00fd t\u01b0\u1edfng cho doanh nghi\u1ec7p \u0111a chi nh\u00e1nh:<\/strong> D\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c chi nh\u00e1nh tr\u00ean to\u00e0n qu\u1ed1c v\u00e0o m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i duy nh\u1ea5t, qu\u1ea3n l\u00fd t\u1eadp trung v\u00e0 g\u1ecdi n\u1ed9i b\u1ed9 mi\u1ec5n ph\u00ed.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Tich-hop-manh-me-voi-cac-phan-mem-khac\"><\/span><strong>T\u00edch h\u1ee3p m\u1ea1nh m\u1ebd v\u1edbi c\u00e1c ph\u1ea7n m\u1ec1m kh\u00e1c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 t\u00ednh n\u0103ng m\u00e0 c\u00e1c doanh nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i r\u1ea5t quan t\u00e2m.<\/p>\n<ul>\n<li><strong>T\u00edch h\u1ee3p CRM\/ERP:<\/strong> K\u1ebft n\u1ed1i t\u1ed5ng \u0111\u00e0i \u1ea3o v\u1edbi c\u00e1c ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd kh\u00e1ch h\u00e0ng (CRM) nh\u01b0 Salesforce, HubSpot, Zoho&#8230; Khi c\u00f3 cu\u1ed9c g\u1ecdi \u0111\u1ebfn, th\u00f4ng tin kh\u00e1ch h\u00e0ng s\u1ebd t\u1ef1 \u0111\u1ed9ng hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh m\u00e1y t\u00ednh (Pop-up), gi\u00fap nh\u00e2n vi\u00ean ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng t\u1ed1t h\u01a1n.<\/li>\n<li><strong>Click-to-Call:<\/strong> Th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi tr\u1ef1c ti\u1ebfp t\u1eeb giao di\u1ec7n ph\u1ea7n m\u1ec1m CRM ch\u1ec9 b\u1eb1ng m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t, t\u0103ng t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c cho \u0111\u1ed9i ng\u0169 telesales.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Chat-luong-cuoc-goi-on-dinh\"><\/span><strong>Ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi \u1ed5n \u0111\u1ecbnh<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Nhi\u1ec1u ng\u01b0\u1eddi lo ng\u1ea1i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi qua Internet. Tuy nhi\u00ean, v\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i v\u00e0 h\u1ea1 t\u1ea7ng Internet ph\u00e1t tri\u1ec3n nh\u01b0 hi\u1ec7n nay t\u1ea1i Vi\u1ec7t Nam, ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi VoIP ho\u00e0n to\u00e0n \u1ed5n \u0111\u1ecbnh, \u00e2m thanh trong v\u00e0 r\u00f5 r\u00e0ng, mi\u1ec5n l\u00e0 doanh nghi\u1ec7p s\u1eed d\u1ee5ng m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n Internet \u0111\u1ee7 m\u1ea1nh v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-VoIP-va-Dien-thoai-truyen-thong-PSTN\"><\/span>So s\u00e1nh VoIP v\u00e0 \u0110i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng (PSTN)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn tr\u1ef1c quan nh\u1ea5t, b\u1ea3ng so s\u00e1nh d\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai c\u00f4ng ngh\u1ec7 VoIP v\u00e0 PSTN:<\/p>\n<div style=\"overflow-x: auto;\">\n<table style=\"width: 100%; border-collapse: separate; border-spacing: 0; font-family: Arial, Helvetica, sans-serif; box-shadow: 0 6px 18px rgba(4, 103, 255, 0.08); border-radius: 10px; overflow: hidden;\">\n<thead>\n<tr>\n<th style=\"padding: 14px 16px; font-size: 15px; color: #ffffff; background: linear-gradient(90deg, #0c40f4 0%, #077ffa 50%, #0497fc 100%); text-align: center;\">Ti\u00eau ch\u00ed<\/th>\n<th style=\"padding: 14px 16px; font-size: 15px; color: #ffffff; background: linear-gradient(90deg, #0c40f4 0%, #077ffa 50%, #0497fc 100%); text-align: center;\">T\u1ed5ng \u0111\u00e0i VoIP (T\u1ed5ng \u0111\u00e0i \u1ea3o)<\/th>\n<th style=\"padding: 14px 16px; font-size: 15px; color: #ffffff; background: linear-gradient(90deg, #0c40f4 0%, #077ffa 50%, #0497fc 100%); text-align: center;\">\u0110i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng (PSTN)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; font-weight: 600; color: #0b3aa6;\">H\u1ea1 t\u1ea7ng<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">S\u1eed d\u1ee5ng m\u1ea1ng Internet c\u00f3 s\u1eb5n<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">C\u1ea7n \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i c\u1ed1 \u0111\u1ecbnh ri\u00eang<\/td>\n<\/tr>\n<tr style=\"background: #f7fbff;\">\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; font-weight: 600; color: #0b3aa6;\">Chi ph\u00ed ban \u0111\u1ea7u<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">Th\u1ea5p, g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">Cao, ph\u1ea3i \u0111\u1ea7u t\u01b0 t\u1ed5ng \u0111\u00e0i v\u1eadt l\u00fd<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; font-weight: 600; color: #0b3aa6;\">C\u01b0\u1edbc g\u1ecdi<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">R\u1ea5t th\u1ea5p, g\u1ecdi n\u1ed9i b\u1ed9 mi\u1ec5n ph\u00ed<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">Cao, t\u00ednh ph\u00ed theo ph\u00fat\/kho\u1ea3ng c\u00e1ch<\/td>\n<\/tr>\n<tr style=\"background: #f7fbff;\">\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; font-weight: 600; color: #0b3aa6;\">T\u00ednh linh ho\u1ea1t<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">R\u1ea5t cao, l\u00e0m vi\u1ec7c \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">Th\u1ea5p, b\u1ecb b\u00f3 bu\u1ed9c t\u1ea1i v\u0103n ph\u00f2ng<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; font-weight: 600; color: #0b3aa6;\">T\u00ednh n\u0103ng<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">\u0110a d\u1ea1ng: IVR, ghi \u00e2m, b\u00e1o c\u00e1o&#8230;<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">H\u1ea1n ch\u1ebf, ch\u1ec9 nghe g\u1ecdi c\u01a1 b\u1ea3n<\/td>\n<\/tr>\n<tr style=\"background: #f7fbff;\">\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; font-weight: 600; color: #0b3aa6;\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">D\u1ec5 d\u00e0ng, kh\u00f4ng gi\u1edbi h\u1ea1n<\/td>\n<td style=\"padding: 12px 16px; border-bottom: 1px solid #edf5ff; vertical-align: top; color: #12377f;\">Kh\u00f3 kh\u0103n, t\u1ed1n k\u00e9m, ph\u1ee5 thu\u1ed9c ph\u1ea7n c\u1ee9ng<\/td>\n<\/tr>\n<tr style=\"background: #ffffff;\">\n<td style=\"padding: 12px 16px; vertical-align: top; font-weight: 600; color: #0b3aa6;\">B\u1ea3o tr\u00ec<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; color: #12377f;\">Nh\u00e0 cung c\u1ea5p lo to\u00e0n b\u1ed9<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; color: #12377f;\">Doanh nghi\u1ec7p t\u1ef1 b\u1ea3o tr\u00ec, s\u1eeda ch\u1eefa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-thiet-bi-can-thiet-de-su-dung-VoIP-hieu-qua\"><\/span>Nh\u1eefng thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1eed d\u1ee5ng VoIP hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1-He-thong-tong-dai-VoIP-PBX\"><\/span>1. H\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i VoIP (PBX)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>T\u1ed5ng \u0111\u00e0i VoIP (Private Branch Exchange)<\/strong> l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i n\u1ed9i b\u1ed9 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho doanh nghi\u1ec7p, cho ph\u00e9p th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c g\u1ecdi th\u00f4ng qua m\u1ea1ng d\u1eef li\u1ec7u LAN ho\u1eb7c WAN thay v\u00ec m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng.<\/p>\n<p>Hi\u1ec7n nay, t\u1ed5ng \u0111\u00e0i VoIP c\u00f3 hai h\u00ecnh th\u1ee9c tri\u1ec3n khai ph\u1ed5 bi\u1ebfn: <strong>t\u1ea1i ch\u1ed7 (on-premise)<\/strong> v\u00e0 <strong>tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y (cloud-based)<\/strong>.<\/p>\n<ul>\n<li>V\u1edbi m\u00f4 h\u00ecnh t\u1ea1i ch\u1ed7, ph\u1ea7n c\u1ee9ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp t\u1ea1i v\u0103n ph\u00f2ng ho\u1eb7c trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a doanh nghi\u1ec7p.<\/li>\n<li>Trong khi \u0111\u00f3, m\u00f4 h\u00ecnh t\u1ed5ng \u0111\u00e0i \u0111\u00e1m m\u00e2y ho\u1ea1t \u0111\u1ed9ng ho\u00e0n to\u00e0n qua Internet, \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh v\u00e0 qu\u1ea3n l\u00fd b\u1edfi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 b\u00ean ngo\u00e0i.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"2-Dien-thoai-IP-VoIP-Phone\"><\/span>2. \u0110i\u1ec7n tho\u1ea1i IP (VoIP Phone)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u0110i\u1ec7n tho\u1ea1i VoIP<\/strong> l\u00e0 lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i v\u0103n ph\u00f2ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i VoIP. V\u1ec1 h\u00ecnh th\u1ee9c, ch\u00fang tr\u00f4ng t\u01b0\u01a1ng t\u1ef1 \u0111i\u1ec7n tho\u1ea1i b\u00e0n truy\u1ec1n th\u1ed1ng m\u00e0 b\u1ea1n th\u01b0\u1eddng th\u1ea5y \u1edf nh\u00e0 ho\u1eb7c n\u01a1i l\u00e0m vi\u1ec7c, n\u00ean nh\u00e2n vi\u00ean c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u00e0m quen khi s\u1eed d\u1ee5ng.<\/p>\n<p>\u0110i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 <strong>\u0111i\u1ec7n tho\u1ea1i VoIP \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i Internet<\/strong> th\u00f4ng qua WiFi ho\u1eb7c c\u1ed5ng Ethernet. M\u1ed7i thi\u1ebft b\u1ecb s\u1ebd \u0111\u01b0\u1ee3c g\u00e1n m\u1ed9t <strong>\u0111\u1ecba ch\u1ec9 IP ri\u00eang<\/strong> \u0111\u1ec3 h\u1ed7 tr\u1ee3 th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c g\u1ecdi qua m\u1ea1ng d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 ho\u1eb7c Internet.<\/p>\n<figure id=\"attachment_35664\" aria-describedby=\"caption-attachment-35664\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35664\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Thiet-bi-de-su-dung-VoIP.jpg\" alt=\"Thi\u1ebft b\u1ecb \u0111\u1ec3 s\u1eed d\u1ee5ng VoIP\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Thiet-bi-de-su-dung-VoIP.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Thiet-bi-de-su-dung-VoIP-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Thiet-bi-de-su-dung-VoIP-768x480.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-35664\" class=\"wp-caption-text\">Thi\u1ebft b\u1ecb \u0111\u1ec3 s\u1eed d\u1ee5ng VoIP<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"3-Thiet-bi-di-dong-may-tinh-va-cac-thiet-bi-co-ket-noi-mang\"><\/span>3. Thi\u1ebft b\u1ecb di \u0111\u1ed9ng, m\u00e1y t\u00ednh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb c\u00f3 k\u1ebft n\u1ed1i m\u1ea1ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u00ean c\u1ea1nh \u0111i\u1ec7n tho\u1ea1i IP, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp h\u1ec7 th\u1ed1ng VoIP b\u1eb1ng <strong>\u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, m\u00e1y t\u00ednh ho\u1eb7c b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o c\u00f3 k\u1ebft n\u1ed1i m\u1ea1ng<\/strong>, ch\u1ec9 c\u1ea7n c\u00e0i \u0111\u1eb7t \u1ee9ng d\u1ee5ng VoIP ho\u1eb7c ph\u1ea7n m\u1ec1m softphone.<\/p>\n<p>Nh\u1edd v\u1eady, b\u1ea1n c\u00f3 th\u1ec3 <strong>g\u1ecdi v\u00e0 nh\u1eadn cu\u1ed9c g\u1ecdi c\u00f4ng vi\u1ec7c \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u<\/strong>, mi\u1ec5n l\u00e0 c\u00f3 k\u1ebft n\u1ed1i Internet m\u00e0 kh\u00f4ng lo ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi b\u1ecb \u1ea3nh h\u01b0\u1edfng. Nh\u00e2n vi\u00ean kh\u00f4ng c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n tho\u1ea1i b\u00e0n m\u00e0 c\u00f3 th\u1ec3 linh ho\u1ea1t s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n \u0111\u1ec3 l\u00e0m vi\u1ec7c m\u1ecdi l\u00fac, m\u1ecdi n\u01a1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-VoIP-Gateway-Bo-chuyen-doi-VoIP\"><\/span>4. VoIP Gateway (B\u1ed9 chuy\u1ec3n \u0111\u1ed5i VoIP)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>VoIP Gateway<\/strong> l\u00e0 thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng c\u00f3 ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u tho\u1ea1i truy\u1ec1n th\u1ed1ng (t\u01b0\u01a1ng t\u1ef1 ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1) th\u00e0nh <strong>d\u1ea1ng g\u00f3i d\u1eef li\u1ec7u (data packets)<\/strong>, gi\u00fap k\u1ebft n\u1ed1i gi\u1eefa h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i c\u0169 v\u00e0 n\u1ec1n t\u1ea3ng truy\u1ec1n th\u00f4ng IP.<\/p>\n<p>Thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 <strong>c\u1ea7u n\u1ed1i gi\u1eefa c\u00e1c m\u1ea1ng IP, PSTN (Public Switched Telephone Network) v\u00e0 m\u1ea1ng di \u0111\u1ed9ng<\/strong>, gi\u00fap doanh nghi\u1ec7p d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p h\u1ea1 t\u1ea7ng c\u0169 v\u1edbi h\u1ec7 th\u1ed1ng VoIP m\u1edbi m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac li\u00ean l\u1ea1c.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-hinh-thuc-goi-VoIP-pho-bien-hien-nay\"><\/span>C\u00e1c h\u00ecnh th\u1ee9c g\u1ecdi VoIP ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Hi\u1ec7n nay, c\u00f3 <strong>4 h\u00ecnh th\u1ee9c g\u1ecdi VoIP<\/strong> \u0111\u01b0\u1ee3c nhi\u1ec1u doanh nghi\u1ec7p \u00e1p d\u1ee5ng \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed li\u00ean l\u1ea1c v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 k\u1ebft n\u1ed1i:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Goi-tu-may-tinh-den-may-tinh-PC-to-PC\"><\/span>1. G\u1ecdi t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn m\u00e1y t\u00ednh (PC to PC)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 h\u00ecnh th\u1ee9c g\u1ecdi VoIP <strong>\u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng nh\u1ea5t<\/strong>. Ng\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m VoIP tr\u00ean m\u00e1y t\u00ednh, sau \u0111\u00f3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi tr\u1ef1c ti\u1ebfp qua giao di\u1ec7n \u1ee9ng d\u1ee5ng nh\u01b0 m\u1ed9t cu\u1ed9c g\u1ecdi th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p>H\u00ecnh th\u1ee9c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c doanh nghi\u1ec7p d\u00f9ng \u0111\u1ec3 thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i n\u1ed9i b\u1ed9, gi\u00fap nh\u00e2n vi\u00ean d\u1ec5 d\u00e0ng li\u00ean l\u1ea1c v\u00e0 trao \u0111\u1ed5i c\u00f4ng vi\u1ec7c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Goi-tu-may-tinh-den-dien-thoai-PC-to-Phone\"><\/span>2. G\u1ecdi t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i (PC to Phone)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1edbi h\u00ecnh th\u1ee9c n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn b\u1ea5t k\u1ef3 s\u1ed1 \u0111i\u1ec7n tho\u1ea1i n\u00e0o. Tuy nhi\u00ean, \u0111\u1ec3 s\u1eed d\u1ee5ng, ng\u01b0\u1eddi g\u1ecdi s\u1ebd c\u1ea7n <strong>tr\u1ea3 m\u1ed9t kho\u1ea3n ph\u00ed nh\u1ea5t \u0111\u1ecbnh<\/strong> cho nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 VoIP.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Goi-tu-dien-thoai-den-may-tinh-Phone-to-PC\"><\/span>3. G\u1ecdi t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn m\u00e1y t\u00ednh (Phone to PC)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 VoIP hi\u1ec7n nay cho ph\u00e9p th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn m\u00e1y t\u00ednh.<\/p>\n<p>T\u1ea5t nhi\u00ean, \u0111\u1ec3 nh\u1eadn cu\u1ed9c g\u1ecdi, m\u00e1y t\u00ednh c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m VoIP t\u01b0\u01a1ng th\u00edch. H\u00ecnh th\u1ee9c n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 <strong>ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n nhi\u1ec1u<\/strong> so v\u1edbi c\u00e1c cu\u1ed9c g\u1ecdi \u0111\u01b0\u1eddng d\u00e0i truy\u1ec1n th\u1ed1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4-Goi-tu-dien-thoai-den-dien-thoai-Phone-to-Phone\"><\/span>4. G\u1ecdi t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i (Phone to Phone)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1edbi h\u00ecnh th\u1ee9c <strong>Phone to Phone<\/strong>, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi gi\u1eefa hai thi\u1ebft b\u1ecb di \u0111\u1ed9ng th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 Skype, Telegram, Messenger ho\u1eb7c c\u00e1c \u0111i\u1ec7n tho\u1ea1i VoIP chuy\u00ean d\u1ee5ng.<\/p>\n<p>Ch\u1ec9 c\u1ea7n c\u00f3 k\u1ebft n\u1ed1i Internet, b\u1ea1n c\u00f3 th\u1ec3 g\u1ecdi \u0111\u1ebfn b\u1ea5t k\u1ef3 s\u1ed1 \u0111i\u1ec7n tho\u1ea1i n\u00e0o m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ti\u1ec7n l\u1ee3i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung-dung-thuc-te-cua-VoIP-trong-doanh-nghiep\"><\/span><strong>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a VoIP trong doanh nghi\u1ec7p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00f4ng ngh\u1ec7 VoIP \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u m\u00f4 h\u00ecnh kinh doanh \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c b\u00e0i to\u00e1n c\u1ee5 th\u1ec3.<\/p>\n<ul>\n<li><strong>Trung t\u00e2m cu\u1ed9c g\u1ecdi (Call Center) \/ Ch\u0103m s\u00f3c kh\u00e1ch h\u00e0ng:<\/strong> VoIP l\u00e0 n\u1ec1n t\u1ea3ng kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a c\u00e1c call center hi\u1ec7n \u0111\u1ea1i. C\u00e1c t\u00ednh n\u0103ng nh\u01b0 ph\u00e2n ph\u1ed1i cu\u1ed9c g\u1ecdi t\u1ef1 \u0111\u1ed9ng (ACD), h\u00e0ng \u0111\u1ee3i cu\u1ed9c g\u1ecdi (Call Queuing), gi\u00e1m s\u00e1t cu\u1ed9c g\u1ecdi th\u1eddi gian th\u1ef1c v\u00e0 t\u00edch h\u1ee3p CRM gi\u00fap t\u1ed1i \u01b0u h\u00f3a ho\u1ea1t \u0111\u1ed9ng v\u00e0 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m kh\u00e1ch h\u00e0ng.<\/li>\n<li><strong>B\u00e1n h\u00e0ng &amp; Telemarketing:<\/strong> \u0110\u1ed9i ng\u0169 telesales c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00ednh n\u0103ng Click-to-Call \u0111\u1ec3 g\u1ecdi \u0111i h\u00e0ng lo\u1ea1t m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. T\u00ednh n\u0103ng ghi \u00e2m gi\u00fap qu\u1ea3n l\u00fd \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng k\u1ecbch b\u1ea3n b\u00e1n h\u00e0ng v\u00e0 \u0111\u00e0o t\u1ea1o nh\u00e2n vi\u00ean m\u1edbi.<\/li>\n<li><strong>M\u00f4 h\u00ecnh l\u00e0m vi\u1ec7c t\u1eeb xa (Remote Work):<\/strong> C\u00f4ng ngh\u1ec7 VoIP cho ph\u00e9p nh\u00e2n vi\u00ean \u1edf kh\u1eafp n\u01a1i k\u1ebft n\u1ed1i v\u00e0o chung m\u1ed9t h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i. Gi\u00e1m \u0111\u1ed1c c\u00f3 th\u1ec3 \u1edf H\u00e0 N\u1ed9i, nh\u00e2n vi\u00ean kinh doanh \u1edf TP.HCM, v\u00e0 nh\u00e2n vi\u00ean h\u1ed7 tr\u1ee3 l\u00e0m vi\u1ec7c t\u1ea1i nh\u00e0 \u1edf \u0110\u00e0 N\u1eb5ng, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 th\u1ec3 giao ti\u1ebfp li\u1ec1n m\u1ea1ch v\u00e0 ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng qua m\u1ed9t \u0111\u1ea7u s\u1ed1 hotline duy nh\u1ea5t.<\/li>\n<li><strong>Li\u00ean l\u1ea1c gi\u1eefa c\u00e1c chi nh\u00e1nh:<\/strong> C\u00e1c t\u1eadp \u0111o\u00e0n, c\u00f4ng ty c\u00f3 nhi\u1ec1u chi nh\u00e1nh s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 VoIP \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi li\u00ean l\u1ea1c n\u1ed9i b\u1ed9 th\u1ed1ng nh\u1ea5t. M\u1ecdi cu\u1ed9c g\u1ecdi gi\u1eefa c\u00e1c chi nh\u00e1nh \u0111\u1ec1u l\u00e0 cu\u1ed9c g\u1ecdi n\u1ed9i b\u1ed9 v\u00e0 ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed, gi\u00fap ti\u1ebft ki\u1ec7m m\u1ed9t kho\u1ea3n chi ph\u00ed kh\u1ed5ng l\u1ed3.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Nhung-luu-y-quan-trong-khi-su-dung-dich-vu-VoIP\"><\/span>Nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 VoIP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi l\u1ef1a ch\u1ecdn v\u00e0 tri\u1ec3n khai <strong>d\u1ecbch v\u1ee5 VoIP<\/strong>, b\u1ea1n c\u1ea7n quan t\u00e2m \u0111\u1ebfn m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1-Kiem-tra-do-tuong-thich-voi-tuong-lua-Firewall\"><\/span>1. Ki\u1ec3m tra \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch v\u1edbi t\u01b0\u1eddng l\u1eeda (Firewall)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>T\u01b0\u1eddng l\u1eeda (Firewall)<\/strong> gi\u00fap b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb kh\u1ecfi c\u00e1c truy c\u1eadp tr\u00e1i ph\u00e9p t\u1eeb Internet. Tuy nhi\u00ean, \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 an to\u00e0n, b\u1ea1n n\u00ean <strong>k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng th\u00eam ph\u1ea7n m\u1ec1m b\u1ea3o m\u1eadt c\u1ee7a b\u00ean th\u1ee9 ba<\/strong> song song v\u1edbi t\u01b0\u1eddng l\u1eeda c\u00f3 s\u1eb5n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2-Tan-dung-cac-tuy-chon-bao-mat-co-san\"><\/span>2. T\u1eadn d\u1ee5ng c\u00e1c t\u00f9y ch\u1ecdn b\u1ea3o m\u1eadt c\u00f3 s\u1eb5n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>H\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng VoIP hi\u1ec7n nay \u0111\u1ec1u \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p t\u00edch h\u1ee3p s\u1eb5n t\u00ednh n\u0103ng m\u00e3 h\u00f3a v\u00e0 c\u00e1c l\u1edbp b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n. N\u1ebfu doanh nghi\u1ec7p c\u1ee7a b\u1ea1n c\u1ea7n m\u1ee9c \u0111\u1ed9 an to\u00e0n cao h\u01a1n, h\u00e3y xem x\u00e9t v\u00e0 t\u1eadn d\u1ee5ng c\u00e1c t\u00f9y ch\u1ecdn b\u1ea3o m\u1eadt n\u00e2ng cao khi l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p VoIP ph\u00f9 h\u1ee3p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3-Thiet-lap-va-kiem-tra-cau-hinh-bao-mat\"><\/span>3. Thi\u1ebft l\u1eadp v\u00e0 ki\u1ec3m tra c\u1ea5u h\u00ecnh b\u1ea3o m\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng, b\u1ea1n n\u00ean <strong>ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 l\u1ea1i to\u00e0n b\u1ed9 thi\u1ebft l\u1eadp b\u1ea3o m\u1eadt<\/strong> tr\u00ean thi\u1ebft b\u1ecb VoIP v\u00e0 m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh.<\/p>\n<p>H\u00e3y t\u1eaft c\u00e1c t\u00ednh n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft v\u00e0 ch\u1ec9 k\u00edch ho\u1ea1t nh\u1eefng ch\u1ee9c n\u0103ng th\u1ef1c s\u1ef1 quan tr\u1ecdng, nh\u1eb1m tr\u00e1nh t\u1ea1o ra c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 b\u1ecb khai th\u00e1c.<\/p>\n<figure id=\"attachment_35665\" aria-describedby=\"caption-attachment-35665\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-35665\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Luu-y-khi-su-dung-dich-vu-VoIP.webp\" alt=\"L\u01b0u \u00fd khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 VoIP\" width=\"900\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Luu-y-khi-su-dung-dich-vu-VoIP.webp 900w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Luu-y-khi-su-dung-dich-vu-VoIP-300x167.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2024\/02\/Luu-y-khi-su-dung-dich-vu-VoIP-768x427.webp 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-35665\" class=\"wp-caption-text\">L\u01b0u \u00fd khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 VoIP<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Cach-chon-mua-he-thong-dien-thoai-VoIP-phu-hop\"><\/span>C\u00e1ch ch\u1ecdn mua h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i VoIP ph\u00f9 h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 <strong>ch\u1ecdn mua h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i VoIP<\/strong>, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 nhu c\u1ea7u th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 g\u1ee3i \u00fd l\u1ef1a ch\u1ecdn theo t\u1eebng nh\u00f3m ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3:<\/p>\n<ul>\n<li><strong>D\u00e0nh cho gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh:<\/strong> Ch\u1ecdn c\u00e1c m\u1eabu \u0111i\u1ec7n tho\u1ea1i VoIP c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh cao, m\u00e0n h\u00ecnh l\u1edbn v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng m\u1edf r\u1ed9ng nh\u01b0 Fanvil V67, Yealink SIP-T58A, Yealink VP59.<\/li>\n<li><strong>D\u00e0nh cho l\u1ec5 t\u00e2n:<\/strong> N\u00ean ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i c\u00f3 ch\u1ee9c n\u0103ng quay s\u1ed1 nhanh, \u00e2m thanh r\u00f5 r\u00e0ng, v\u00ed d\u1ee5 nh\u01b0 Grandstream GXP2130, Fanvil X210, Yealink SIP T29G, Yealink SIP T30, Yealink SIP T31.<\/li>\n<li><strong>D\u00e0nh cho c\u00e1c cu\u1ed9c g\u1ecdi nh\u00f3m:<\/strong> S\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i h\u1ed9i ngh\u1ecb nh\u01b0 Yealink CP920 ho\u1eb7c Sennheiser SP20 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh \u1ed5n \u0111\u1ecbnh v\u00e0 ph\u1ea1m vi ph\u1ee7 s\u00f3ng t\u1ed1t.<\/li>\n<li><strong>D\u00e0nh cho trung t\u00e2m cu\u1ed9c g\u1ecdi (Call Center):<\/strong> L\u1ef1a ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i VoIP c\u00f3 kh\u1ea3 n\u0103ng kh\u1eed ti\u1ebfng \u1ed3n t\u1ed1t, h\u1ed7 tr\u1ee3 gi\u00e1m s\u00e1t cu\u1ed9c g\u1ecdi v\u00e0 cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i ng\u01b0\u1eddi d\u00f9ng linh ho\u1ea1t gi\u1eefa c\u00e1c ca l\u00e0m vi\u1ec7c.<\/li>\n<li><strong>D\u00e0nh cho kh\u00f4ng gian m\u1edf:<\/strong> \u01afu ti\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 t\u00ednh b\u1ea3o m\u1eadt cao, trang b\u1ecb hai c\u1ed5ng Ethernet \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n<li><strong>D\u00e0nh cho nh\u00e2n vi\u00ean v\u0103n ph\u00f2ng ho\u1eb7c l\u00e0m vi\u1ec7c t\u1ea1i nh\u00e0:<\/strong> Ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i VoIP c\u00f3 t\u00ednh n\u0103ng c\u01a1 b\u1ea3n \u0111\u1ea7y \u0111\u1ee7, ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh t\u1ed1t, d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p.<\/li>\n<li><strong>D\u00e0nh cho nh\u00e2n vi\u00ean th\u01b0\u1eddng xuy\u00ean di chuy\u1ec3n:<\/strong> C\u00f3 th\u1ec3 d\u00f9ng softphone k\u1ebft h\u1ee3p v\u1edbi tai nghe ho\u1eb7c loa h\u1ed9i ngh\u1ecb, ch\u1eb3ng h\u1ea1n nh\u01b0 Tai nghe VT1500, Vbet VT5009, Loa h\u1ed9i ngh\u1ecb VT Speaker CS40 ho\u1eb7c VT SPEAK CS61 kh\u00f4ng d\u00e2y Bluetooth.<\/li>\n<li><strong>D\u00e0nh cho nh\u00e2n vi\u00ean l\u00e0m vi\u1ec7c t\u1eeb xa:<\/strong> Ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i VoIP h\u1ed7 tr\u1ee3 <strong>k\u1ebft n\u1ed1i linh ho\u1ea1t<\/strong>, gi\u00fap giao ti\u1ebfp v\u00e0 ph\u1ed1i h\u1ee3p c\u00f4ng vi\u1ec7c v\u1edbi \u0111\u1ed3ng nghi\u1ec7p nh\u01b0 khi l\u00e0m vi\u1ec7c t\u1ea1i v\u0103n ph\u00f2ng.<\/li>\n<li><strong>D\u00e0nh cho kh\u00e1ch s\u1ea1n:<\/strong> N\u00ean ch\u1ecdn c\u00e1c d\u00f2ng \u0111i\u1ec7n tho\u1ea1i VoIP h\u1ed7 tr\u1ee3 \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd, c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh t\u1ed1t v\u00e0 \u0111a d\u1ea1ng t\u00ednh n\u0103ng, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00f2ng Fanvil H.<\/li>\n<\/ul>\n<p>H\u00e3y \u01b0u ti\u00ean l\u1ef1a ch\u1ecdn <strong>\u0111i\u1ec7n tho\u1ea1i VoIP c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh HD<\/strong>, <strong>t\u00ednh n\u0103ng hi\u1ec7n \u0111\u1ea1i<\/strong> v\u00e0 <strong>kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i linh ho\u1ea1t<\/strong>, nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 li\u00ean l\u1ea1c v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n<p>C\u00f4ng ngh\u1ec7 VoIP kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m xa v\u1eddi m\u00e0 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu, mang l\u1ea1i l\u1ee3i th\u1ebf c\u1ea1nh tranh cho c\u00e1c doanh nghi\u1ec7p trong th\u1eddi \u0111\u1ea1i s\u1ed1. Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i t\u1eeb h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng sang t\u1ed5ng \u0111\u00e0i VoIP l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111i th\u00f4ng minh \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed, gia t\u0103ng s\u1ef1 chuy\u00ean nghi\u1ec7p, n\u00e2ng cao hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c v\u00e0 mang \u0111\u1ebfn s\u1ef1 linh ho\u1ea1t t\u1ed1i \u0111a.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n \u0111ang \u0111au \u0111\u1ea7u v\u00ec c\u01b0\u1edbc ph\u00ed \u0111i\u1ec7n tho\u1ea1i doanh nghi\u1ec7p ng\u00e0y c\u00e0ng ph\u00ecnh to? VoIP (Voice over Internet Protocol) ch\u00ednh l\u00e0 l\u1eddi gi\u1ea3i \u0111\u00e1p. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 li\u00ean l\u1ea1c \u0111\u1ed9t ph\u00e1 gi\u00fap thay th\u1ebf ho\u00e0n to\u00e0n h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u chi<\/p>\n","protected":false},"author":11,"featured_media":35666,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[151],"tags":[],"class_list":["post-11202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/11202","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=11202"}],"version-history":[{"count":3,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/11202\/revisions"}],"predecessor-version":[{"id":35669,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/11202\/revisions\/35669"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/35666"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=11202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=11202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=11202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}