{"id":57179,"date":"2023-12-20T21:03:57","date_gmt":"2023-12-20T14:03:57","guid":{"rendered":"https:\/\/masterskills.org\/blog\/dien-thoai-voip-la-gi-cac-loai-dien-thoai-voip.html"},"modified":"2023-12-20T21:03:57","modified_gmt":"2023-12-20T14:03:57","slug":"dien-thoai-voip-la-gi-cac-loai-dien-thoai-voip","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/dien-thoai-voip-la-gi-cac-loai-dien-thoai-voip.html","title":{"rendered":"\u0110i\u1ec7n tho\u1ea1i VoIP l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP"},"content":{"rendered":"
\n

H\u1ea7u h\u1ebft c\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng k\u00eanh t\u1ed5ng \u0111\u00e0i \u0111\u00e3 v\u00e0 \u0111ang chuy\u1ec3n \u0111\u1ed5i sang t\u1ed5ng \u0111\u00e0i \u1ea3o, v\u1edbi m\u1ee5c \u0111\u00edch n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u00f4ng vi\u1ec7c, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u chi ph\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 chi ph\u00ed tho\u1ea1i. Do \u0111\u00f3, nhi\u1ec1u doanh nghi\u1ec7p \u0111ang t\u00ecm hi\u1ec3u \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP \u2013 thi\u1ebft b\u1ecb \u0111\u1ea7u ra thi\u1ebft y\u1ebfu c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh t\u1ed5ng \u0111\u00e0i \u1ea3o. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd li\u1ec7t k\u00ea v\u00e0 ph\u00e2n t\u00edch \u01b0u \u0111i\u1ec3m, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP.<\/span><\/p>\n

\"\u0110i\u1ec7n<\/p>\n

\u0110i\u1ec7n tho\u1ea1i VoIP l\u00e0 g\u00ec? C\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP<\/p>\n<\/div>\n

\u0110i\u1ec7n tho\u1ea1i VoIP l\u00e0 g\u00ec?<\/strong><\/h2>\n

\u0110i\u1ec7n tho\u1ea1i VoIP (Voice Over Internet Protocol \u2013 giao th\u1ee9c tho\u1ea1i qua Internet) l\u00e0 c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng tri\u1ec3n khai c\u00e1c cu\u1ed9c g\u1ecdi th\u00f4ng qua n\u1ec1n t\u1ea3ng internet.<\/span><\/p>\n

C\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP<\/strong><\/h2>\n

C\u00f3 th\u1ec3 chia \u0111i\u1ec7n tho\u1ea1i VoIP th\u00e0nh 2 lo\u1ea1i: \u0111i\u1ec7n tho\u1ea1i v\u1eadt l\u00fd v\u00e0 softphone.<\/span><\/p>\n

\u0110i\u1ec7n tho\u1ea1i VoIP v\u1eadt l\u00fd<\/strong><\/h3>\n

\u0110i\u1ec7n tho\u1ea1i VoIP v\u1eadt l\u00fd l\u1ea1i \u0111\u01b0\u1ee3c chia th\u00e0nh 2 lo\u1ea1i:<\/span><\/p>\n

    \n
  • \u0110i\u1ec7n tho\u1ea1i VoIP c\u00f3 d\u00e2y m\u1ea1ng: l\u00e0 \u0111i\u1ec7n tho\u1ea1i b\u00e0n, c\u00f3 \u0111\u1ea7u c\u1eafm d\u00e2y m\u1ea1ng LAN, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng c\u1ed1 \u0111\u1ecbnh t\u1ea1i v\u0103n ph\u00f2ng. M\u1ed9t s\u1ed1 lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP c\u00f3 d\u00e2y ph\u1ed5 bi\u1ebfn: Grandstream GRP2610, Grandstream GXP1610, Yealink T21E2, Yealink T30\u2026<\/span><\/li>\n
  • \u0110i\u1ec7n tho\u1ea1i VoIP kh\u00f4ng c\u00f3 d\u00e2y m\u1ea1ng: k\u1ebft n\u1ed1i internet th\u00f4ng qua wifi n\u00ean c\u00f3 th\u1ec3 di chuy\u1ec3n linh ho\u1ea1t. M\u1ed9t s\u1ed1 \u0111i\u1ec7n tho\u1ea1i VoIP phone kh\u00f4ng d\u00e2y ph\u1ed5 bi\u1ebfn: Yealink W56P, Yealink W56H, Grandstream DP750, Grandstream DP720<\/span><\/li>\n<\/ul>\n

    C\u1ea3 hai lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i n\u00e0y \u0111\u1ec1u c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi <\/span>t\u1ed5ng \u0111\u00e0i Subiz<\/span>.<\/span><\/p>\n

    Softphone\u00a0<\/strong><\/h3>\n

    Softphone l\u00e0 lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m c\u00e0i \u0111\u1eb7t tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 k\u1ebft n\u1ed1i wifi nh\u01b0 laptop, desktop hay smartphone, \u0111\u1ec3 tri\u1ec3n khai c\u00e1c cu\u1ed9c g\u1ecdi qua internet ngay tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng t\u1ed5ng \u0111\u00e0i \u1ea3o Subiz, b\u1ea1n c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c g\u1ecdi ngay tr\u00ean m\u00e0n h\u00ecnh Subiz \u1edf laptop, desktop, ho\u1eb7c <\/span>app mobile Subiz<\/span>, m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t th\u00eam b\u1ea5t k\u1ef3 ph\u1ea7n m\u1ec1m n\u00e0o.\u00a0<\/span><\/p>\n

    \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP<\/strong><\/h2>\n

    \u0110i\u1ec7n tho\u1ea1i VoIP kh\u00f4ng d\u00e2y v\u00e0 softphone tuy c\u00f3 th\u1ec3 di chuy\u1ec3n linh ho\u1ea1t, nh\u01b0ng \u0111i\u1ec3m y\u1ebfu l\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n kh\u00f4ng \u1ed5n \u0111\u1ecbnh, do 2 lo\u1ea1i n\u00e0y k\u1ebft n\u1ed1i v\u1edbi wifi. C\u00e1c cu\u1ed9c g\u1ecdi c\u00f3 th\u1ec3 b\u1ecb gi\u00e1n \u0111o\u1ea1n khi nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng truy c\u1eadp wifi, th\u1eadm ch\u00ed b\u1ecb ng\u1eaft qu\u00e3ng cu\u1ed9c g\u1ecdi trong gi\u1edd cao \u0111i\u1ec3m do qu\u00e1 t\u1ea3i internet. Do \u0111\u00f3, \u0111i\u1ec7n tho\u1ea1i VoIP kh\u00f4ng d\u00e2y v\u00e0 softphone th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi l\u00e0m vi\u1ec7c ngo\u00e0i v\u0103n ph\u00f2ng nh\u01b0 khi l\u00e0m online, khi c\u00f3 cu\u1ed9c h\u1eb9n v\u1edbi kh\u00e1ch h\u00e0ng \u1edf ngo\u00e0i v\u0103n ph\u00f2ng, hay khi \u0111i c\u00f4ng t\u00e1c\u2026<\/span><\/p>\n

    \"\u0110\u1eb7c<\/p>\n

    \u0110\u1eb7c \u0111i\u1ec3m c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP<\/p>\n<\/div>\n

    Ng\u01b0\u1ee3c l\u1ea1i, \u0111i\u1ec7n tho\u1ea1i VoIP c\u00f3 d\u00e2y, hay c\u00f2n g\u1ecdi l\u00e0 \u0111i\u1ec7n tho\u1ea1i b\u00e0n VoIP l\u1ea1i l\u00e0 lo\u1ea1i c\u00f3 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n t\u1ed1t v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t, do \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi d\u00e2y m\u1ea1ng LAN. Do \u0111\u00f3, \u0111i\u1ec7n tho\u1ea1i b\u00e0n VoIP v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn y\u00eau th\u00edch c\u1ee7a nhi\u1ec1u doanh nghi\u1ec7p, \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i v\u0103n ph\u00f2ng \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c kh\u00e1ch h\u00e0ng trong gi\u1edd l\u00e0m vi\u1ec7c, nh\u1eb1m \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi t\u1ed1t nh\u1ea5t. Th\u00eam v\u00e0o \u0111\u00f3, \u0111i\u1ec7n tho\u1ea1i b\u00e0n VoIP l\u00e0 thi\u1ebft b\u1ecb \u0111\u1ed9c l\u1eadp n\u00ean \u0111\u1ed5 chu\u00f4ng b\u00e1o r\u1ea5t d\u1ec5 nh\u1eadn bi\u1ebft, tr\u00e1nh b\u1ecf l\u1ee1 cu\u1ed9c g\u1ecdi t\u1eeb kh\u00e1ch h\u00e0ng.<\/span><\/p>\n

    5 th\u01b0\u01a1ng hi\u1ec7u \u0111i\u1ec7n tho\u1ea1i ba\u0300n VoIP ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam<\/strong><\/h2>\n

    Th\u1ecb tr\u01b0\u1eddng \u0111i\u1ec7n tho\u1ea1i VoIP r\u1ea5t \u0111a d\u1ea1ng th\u01b0\u01a1ng hi\u1ec7u, m\u1eabu m\u00e3, t\u00ednh n\u0103ng, ph\u00e2n kh\u00fac gi\u00e1. Trong \u0111\u00f3, c\u00e1c h\u00e3ng \u0111i\u1ec7n tho\u1ea1i ba\u0300n VoIP ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam bao g\u1ed3m Yealink, Grandstream, Fanvil, Polycom, Cisco.<\/span><\/p>\n

    Yealink<\/b><\/h3>\n

    Yealink l\u00e0 th\u01b0\u01a1ng hi\u1ec7u s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i VoIP h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi v\u1edbi h\u01a1n 17 n\u0103m kinh nghi\u1ec7m, cung c\u1ea5p s\u1ea3n ph\u1ea9m cho h\u01a1n 140 qu\u1ed1c gia v\u00e0 v\u00f9ng l\u00e3nh th\u1ed5. Yealink cung c\u1ea5p \u0111a d\u1ea1ng c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP c\u1ea3 v\u1ec1 m\u1eabu m\u00e3, c\u00f4ng d\u1ee5ng, t\u00ednh n\u0103ng. Do \u0111\u00f3, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111a d\u1ea1ng nhu c\u1ea7u, quy m\u00f4, m\u00f4 h\u00ecnh v\u1eadn h\u00e0nh t\u1ed5ng \u0111\u00e0i c\u1ee7a c\u00e1c h\u1ea7u h\u1ebft c\u00e1c doanh nghi\u1ec7p.<\/span><\/p>\n

    \"Yealink<\/p>\n

    Yealink \u2013 th\u01b0\u01a1ng hi\u1ec7u \u0111i\u1ec7n tho\u1ea1i VoIP h\u00e3ng \u0111\u1ea7u th\u1ebf gi\u1edbi<\/p>\n<\/div>\n

    \u0110i\u1ec3m n\u1ed5i b\u1eadt d\u1ec5 th\u1ea5y nh\u1ea5t c\u1ee7a nh\u1eefng m\u1eabu \u0111i\u1ec7n tho\u1ea1i VoIP Yealink so v\u1edbi c\u00e1c h\u00e3ng kh\u00e1c ch\u00ednh l\u00e0 k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh l\u1edbn, gi\u00fap hi\u1ec3n th\u1ecb th\u00f4ng tin \u0111a d\u1ea1ng v\u00e0 r\u00f5 r\u00e0ng h\u01a1n. Th\u00eam n\u1eefa, Yealink cung c\u1ea5p \u0111a d\u1ea1ng c\u00e1c m\u1eabu \u0111i\u1ec7n tho\u1ea1i VoIP t\u1eeb ph\u00e2n kh\u00fac b\u00ecnh d\u00e2n \u0111\u1ebfn cao c\u1ea5p.\u00a0<\/span><\/p>\n

    Grandstream<\/b><\/h3>\n

    Grandstream l\u00e0 th\u01b0\u01a1ng hi\u1ec7u s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i VoIP r\u1ea5t n\u1ed5i ti\u1ebfng \u0111\u1ebfn t\u1eeb n\u01b0\u1edbc M\u1ef9, v\u00e0 ch\u1ec9 \u0111\u1ee9ng sau Yealink v\u1ec1 \u0111\u1ed9 ph\u1ed5 bi\u1ebfn. C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Grandstream c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c r\u1ed9ng kh\u1eafp, t\u00edch h\u1ee3p nhi\u1ec1u t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i, \u0111a d\u1ea1ng m\u1eabu m\u00e3 v\u00e0 t\u00ednh n\u0103ng. \u0110\u1eb7c bi\u1ec7t l\u00e0 gi\u00e1 c\u1ea3 c\u1ea1nh tranh, \u0111a s\u1ed1 s\u1ea3n ph\u1ea9m Grandstream thu\u1ed9c ph\u00e2n kh\u00fac b\u00ecnh d\u00e2n ho\u1eb7c t\u1ea7m trung. Ch\u00ednh v\u00ec v\u1eady \u0111\u00e2y l\u00e0 th\u01b0\u01a1ng hi\u1ec7u r\u1ea5t ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam, \u0111\u01b0\u1ee3c nhi\u1ec1u doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf. Gi\u00e1 dao \u0111\u1ed9ng\u00a0<\/span><\/p>\n

    \"Grandstream<\/p>\n

    Grandstream \u2013 h\u00e3ng \u0111i\u1ec7n tho\u1ea1i VoIP ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam<\/p>\n<\/div>\n

    Fanvil\u00a0<\/b><\/h3>\n

    Fanvil Technology l\u00e0 th\u01b0\u01a1ng hi\u1ec7u s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i VoIP ch\u1ea5t l\u01b0\u1ee3ng cao v\u1edbi tr\u00ecnh \u0111\u1ed9 k\u1ef9 thu\u1eadt m\u1ea1nh m\u1ebd v\u00e0 kinh nghi\u1ec7m tr\u00ean 16 n\u0103m. C\u00e1c d\u00f2ng \u0111i\u1ec7n tho\u1ea1i Fanvil th\u01b0\u1eddng ch\u00fa tr\u1ecdng thay \u0111\u1ed5i t\u00ednh n\u0103ng, c\u00f2n m\u1eabu m\u00e3 trong c\u00f9ng m\u1ed9t ph\u00e2n kh\u00fac kh\u00f4ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t qu\u00e1 l\u1edbn. \u0110\u00e2y l\u00e0 d\u00f2ng \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng \u1edf ph\u00e2n kh\u00fac gi\u00e1 r\u1ebb.<\/span><\/p>\n

    \"\u0110i\u1ec7n<\/p>\n

    \u0110i\u1ec7n tho\u1ea1i VoIP Fanvil<\/p>\n<\/div>\n

    Polycom<\/b><\/h3>\n

    Polycom l\u00e0 m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u \u0111\u1ebfn t\u1eeb M\u1ef9, cung c\u1ea5p nhi\u1ec1u m\u1eabu \u0111i\u1ec7n tho\u1ea1i VoIP cao c\u1ea5p v\u1edbi ch\u1ee9c n\u0103ng \u0111a d\u1ea1ng, \u1ed5n \u0111\u1ecbnh v\u00e0 m\u01b0\u1ee3t m\u00e0. C\u00e1c s\u1ea3n ph\u1ea9m ch\u1ee7 y\u1ebfu thu\u1ed9c ph\u00e2n kh\u00fac t\u1ea7m trung \u0111\u1ebfn cao c\u1ea5p, n\u00ean th\u01b0\u1eddng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c doanh nghi\u1ec7p l\u1edbn v\u00e0 c\u00e1c c\u00f4ng ty \u0111a qu\u1ed1c gia. Gi\u00e1 th\u00e0nh m\u00e1y kh\u00e1 cao, do \u0111\u00f3 d\u00f9 kh\u00e1 n\u1ed5i ti\u1ebfng t\u1ea1i Vi\u1ec7t Nam nh\u01b0ng Polycom ch\u01b0a ph\u1ea3i s\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c doanh nghi\u1ec7p Vi\u1ec7t.<\/span><\/p>\n

    \"\u0110i\u1ec7n<\/p>\n

    \u0110i\u1ec7n tho\u1ea1i Voip th\u01b0\u01a1ng hi\u1ec7u Polycom<\/p>\n<\/div>\n

    Cisco<\/b><\/h3>\n

    Cisco l\u00e0 m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i ti\u1ebfng \u0111\u01b0\u1ee3c th\u00e0nh l\u1eadp t\u1ea1i Thung L\u0169ng Silicon, \u1edf M\u1ef9 v\u00e0o n\u0103m 1984. T\u1eadp \u0111o\u00e0n chuy\u00ean cung c\u1ea5p c\u00e1c d\u00f2ng \u0111i\u1ec7n tho\u1ea1i VoIP ph\u00e2n kh\u00fac cao c\u1ea5p, ch\u1ea5t l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i \u0111i \u0111\u00f4i v\u1edbi gi\u00e1 th\u00e0nh cao. Do \u0111\u00f3, d\u00f9 n\u1ed5i ti\u1ebfng nh\u01b0ng c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Cisco ch\u01b0a th\u1ec3 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i t\u1ea1i Vi\u1ec7t Nam.\u00a0<\/span><\/p>\n

    \"\u0110i\u1ec7n<\/p>\n

    \u0110i\u1ec7n tho\u1ea1i Voip t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t Cisco<\/p>\n<\/div>\n

    Th\u1ecb tr\u01b0\u1eddng t\u1ed5ng \u0111\u00e0i \u1ea3o \u0111ang ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n v\u00e0 ph\u1ed5 bi\u1ebfn \u1edf c\u1ea3 Vi\u1ec7t Nam v\u00e0 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Do \u0111\u00f3, nhu c\u1ea7u v\u1ec1 \u0111i\u1ec7n tho\u1ea1i VoIP ng\u00e0y c\u00e0ng l\u1edbn. C\u00e1c c\u00f4ng ty c\u00f4ng ngh\u1ec7 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi c\u0169ng cung c\u1ea5p ng\u00e0y c\u00e0ng nhi\u1ec1u c\u00e1c d\u00f2ng \u0111i\u1ec7n tho\u1ea1i VoIP kh\u00e1c nhau, nh\u1eb1m ph\u1ee5c v\u1ee5 nhu c\u1ea7u \u0111a d\u1ea1ng c\u1ee7a c\u00e1c doanh nghi\u1ec7p. Do \u0111\u00f3, c\u00e1c doanh nghi\u1ec7p c\u1ea7n t\u00ecm hi\u1ec3u \u0111\u1ec3 ch\u1ecdn ra d\u00f2ng \u0111i\u1ec7n tho\u1ea1i ph\u00f9 h\u1ee3p, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u chi ph\u00ed \u0111\u1ea7u t\u01b0 \u0111i\u1ec7n tho\u1ea1i VoIP.<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    H\u1ea7u h\u1ebft c\u00e1c doanh nghi\u1ec7p s\u1eed d\u1ee5ng k\u00eanh t\u1ed5ng \u0111\u00e0i \u0111\u00e3 v\u00e0 \u0111ang chuy\u1ec3n \u0111\u1ed5i sang t\u1ed5ng \u0111\u00e0i \u1ea3o, v\u1edbi m\u1ee5c \u0111\u00edch n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u00f4ng vi\u1ec7c, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u chi ph\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 chi ph\u00ed tho\u1ea1i. Do \u0111\u00f3, nhi\u1ec1u doanh nghi\u1ec7p \u0111ang t\u00ecm hi\u1ec3u \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP \u2013 thi\u1ebft b\u1ecb \u0111\u1ea7u ra thi\u1ebft y\u1ebfu c\u1ee7a m\u1ed9t m\u00f4 h\u00ecnh t\u1ed5ng \u0111\u00e0i \u1ea3o. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd li\u1ec7t k\u00ea v\u00e0 ph\u00e2n t\u00edch \u01b0u \u0111i\u1ec3m, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00e1c lo\u1ea1i \u0111i\u1ec7n tho\u1ea1i VoIP.<\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[191],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/57179"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=57179"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/57179\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=57179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=57179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=57179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}