{"id":479563,"date":"2023-08-09T10:42:08","date_gmt":"2023-08-09T10:42:08","guid":{"rendered":""},"modified":"2023-09-05T11:19:06","modified_gmt":"2023-09-05T11:19:06","slug":"voice-over-internet-protocol-voip","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/voice-over-internet-protocol-voip\/","title":{"rendered":"Giao th\u1ee9c tho\u1ea1i qua Internet (VoIP)"},"content":{"rendered":"

L\u1ecbch s\u1eed ngu\u1ed3n g\u1ed1c c\u1ee7a giao th\u1ee9c tho\u1ea1i qua Internet (VoIP) v\u00e0 s\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean c\u1ee7a n\u00f3<\/h2>\n

Tho\u1ea1i qua Giao th\u1ee9c Internet (VoIP) l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ed9t ph\u00e1 cho ph\u00e9p truy\u1ec1n t\u1ea3i gi\u1ecdng n\u00f3i v\u00e0 truy\u1ec1n th\u00f4ng \u0111a ph\u01b0\u01a1ng ti\u1ec7n qua internet. Kh\u00e1i ni\u1ec7m truy\u1ec1n d\u1eef li\u1ec7u gi\u1ecdng n\u00f3i qua internet c\u00f3 t\u1eeb \u0111\u1ea7u nh\u1eefng n\u0103m 1970 khi B\u1ed9 Qu\u1ed1c ph\u00f2ng Hoa K\u1ef3 b\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m c\u00e1c m\u1ea1ng chuy\u1ec3n m\u1ea1ch g\u00f3i. Tuy nhi\u00ean, s\u1ef1 \u0111\u1ec1 c\u1eadp th\u1ef1c s\u1ef1 \u0111\u1ea7u ti\u00ean v\u1ec1 VoIP c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb gi\u1eefa nh\u1eefng n\u0103m 1990 khi c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u00e0 ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a Internet.<\/p>\n

Vi\u1ec7c tri\u1ec3n khai th\u00e0nh c\u00f4ng VoIP \u0111\u1ea7u ti\u00ean cho m\u1ee5c \u0111\u00edch th\u01b0\u01a1ng m\u1ea1i \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c v\u00e0o n\u0103m 1995 b\u1edfi m\u1ed9t c\u00f4ng ty c\u00f3 t\u00ean VocalTec. H\u1ecd tung ra \u0110i\u1ec7n tho\u1ea1i Internet, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c g\u1ecdi \u0111\u01b0\u1eddng d\u00e0i qua internet. \u0110i\u1ec1u n\u00e0y \u0111\u00e1nh d\u1ea5u m\u1ed9t c\u1ed9t m\u1ed1c quan tr\u1ecdng trong th\u1ebf gi\u1edbi vi\u1ec5n th\u00f4ng, m\u1edf \u0111\u01b0\u1eddng cho cu\u1ed9c c\u00e1ch m\u1ea1ng VoIP m\u00e0 ch\u00fang ta ch\u1ee9ng ki\u1ebfn ng\u00e0y nay.<\/p>\n

Th\u00f4ng tin chi ti\u1ebft v\u1ec1 Giao th\u1ee9c Tho\u1ea1i qua Internet (VoIP)<\/h2>\n

Tho\u1ea1i qua Giao th\u1ee9c Internet (VoIP) l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p v\u00e0 nh\u00f3m c\u00f4ng ngh\u1ec7 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c cung c\u1ea5p c\u00e1c phi\u00ean li\u00ean l\u1ea1c b\u1eb1ng gi\u1ecdng n\u00f3i v\u00e0 \u0111a ph\u01b0\u01a1ng ti\u1ec7n qua m\u1ea1ng giao th\u1ee9c internet (IP). Kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng d\u1ef1a tr\u00ean m\u1ea1ng chuy\u1ec3n m\u1ea1ch, VoIP chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u tho\u1ea1i analog th\u00e0nh g\u00f3i d\u1eef li\u1ec7u s\u1ed1, truy\u1ec1n ch\u00fang qua m\u1ea1ng IP v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u analog t\u1ea1i \u0111\u00edch.<\/p>\n

M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a VoIP l\u00e0 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p truy\u1ec1n th\u00f4ng hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng internet hi\u1ec7n c\u00f3, VoIP lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 m\u1ea1ng tho\u1ea1i v\u00e0 d\u1eef li\u1ec7u ri\u00eang bi\u1ec7t, gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 mang l\u1ea1i s\u1ef1 linh ho\u1ea1t h\u01a1n trong giao ti\u1ebfp.<\/p>\n

C\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a Giao th\u1ee9c tho\u1ea1i qua Internet (VoIP) v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng<\/h2>\n

Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a VoIP bao g\u1ed3m m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n v\u00e0 quy tr\u00ecnh quan tr\u1ecdng:<\/p>\n

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    Chuy\u1ec3n \u0111\u1ed5i t\u01b0\u01a1ng t\u1ef1 sang k\u1ef9 thu\u1eadt s\u1ed1<\/strong>: \u1ede \u0111\u1ea7u ng\u01b0\u1eddi g\u1eedi, t\u00edn hi\u1ec7u gi\u1ecdng n\u00f3i analog \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i sang \u0111\u1ecbnh d\u1ea1ng k\u1ef9 thu\u1eadt s\u1ed1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng codec (B\u1ed9 gi\u1ea3i m\u00e3-B\u1ed9 gi\u1ea3i m\u00e3). Codec n\u00e9n d\u1eef li\u1ec7u gi\u1ecdng n\u00f3i \u0111\u1ec3 gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 b\u0103ng th\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o truy\u1ec1n t\u1ea3i th\u00f4ng su\u1ed1t.<\/p>\n<\/li>\n

  2. \n

    \u0110\u00f3ng g\u00f3i<\/strong>: D\u1eef li\u1ec7u tho\u1ea1i s\u1ed1 h\u00f3a \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c g\u00f3i d\u1eef li\u1ec7u nh\u1ecf. M\u1ed7i g\u00f3i ch\u1ee9a m\u1ed9t ph\u1ea7n d\u1eef li\u1ec7u tho\u1ea1i, c\u00f9ng v\u1edbi th\u00f4ng tin ti\u00eau \u0111\u1ec1 ch\u1ee9a \u0111\u1ecba ch\u1ec9 ngu\u1ed3n v\u00e0 \u0111\u00edch.<\/p>\n<\/li>\n

  3. \n

    Truy\u1ec1n m\u1ea1ng IP<\/strong>: C\u00e1c g\u00f3i d\u1eef li\u1ec7u gi\u1ecdng n\u00f3i \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng IP, ch\u1eb3ng h\u1ea1n nh\u01b0 internet, s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c nh\u01b0 TCP (Giao th\u1ee9c \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n t\u1ea3i) ho\u1eb7c UDP (Giao th\u1ee9c g\u00f3i d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng).<\/p>\n<\/li>\n

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    B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u1ed5ng<\/strong>: B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn h\u01b0\u1edbng c\u00e1c g\u00f3i d\u1eef li\u1ec7u qua nhi\u1ec1u \u0111\u01b0\u1eddng d\u1eabn kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ebfn \u0111\u00edch. C\u1ed5ng \u0111\u00f3ng vai tr\u00f2 trung gian gi\u1eefa m\u1ea1ng VoIP v\u00e0 m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng, cho ph\u00e9p li\u00ean l\u1ea1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng VoIP v\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng s\u1eed d\u1ee5ng VoIP.<\/p>\n<\/li>\n

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    Chuy\u1ec3n \u0111\u1ed5i k\u1ef9 thu\u1eadt s\u1ed1 sang t\u01b0\u01a1ng t\u1ef1<\/strong>: \u1ede \u0111\u1ea7u thu, c\u00e1c g\u00f3i d\u1eef li\u1ec7u s\u1ed1 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i tr\u1edf l\u1ea1i th\u00e0nh t\u00edn hi\u1ec7u tho\u1ea1i analog b\u1eb1ng codec. Qu\u00e1 tr\u00ecnh n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng nghe th\u1ea5y gi\u1ecdng n\u00f3i c\u1ee7a h\u1ecd \u1edf \u0111\u1ecbnh d\u1ea1ng quen thu\u1ed9c.<\/p>\n<\/li>\n<\/ol>\n

    Ph\u00e2n t\u00edch c\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Giao th\u1ee9c tho\u1ea1i qua Internet (VoIP)<\/h2>\n

    VoIP cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c t\u00ednh n\u0103ng khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p truy\u1ec1n th\u00f4ng h\u1ea5p d\u1eabn cho c\u1ea3 doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n. M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh bao g\u1ed3m:<\/p>\n

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      Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/strong>: VoIP gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed cu\u1ed9c g\u1ecdi, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c cu\u1ed9c g\u1ecdi \u0111\u01b0\u1eddng d\u00e0i v\u00e0 qu\u1ed1c t\u1ebf, v\u00ec n\u00f3 s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng internet \u0111\u1ec3 truy\u1ec1n t\u1ea3i.<\/p>\n<\/li>\n

    2. \n

      T\u00ednh linh ho\u1ea1t<\/strong>: VoIP cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng giao ti\u1ebfp qua nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau, bao g\u1ed3m m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, \u0111i\u1ec7n tho\u1ea1i IP v\u00e0 th\u1eadm ch\u00ed c\u1ea3 \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng v\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a b\u1ed9 \u0111i\u1ec1u h\u1ee3p.<\/p>\n<\/li>\n

    3. \n

      H\u1ed7 tr\u1ee3 \u0111a ph\u01b0\u01a1ng ti\u1ec7n<\/strong>: VoIP kh\u00f4ng ch\u1ec9 h\u1ed7 tr\u1ee3 tho\u1ea1i m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 li\u00ean l\u1ea1c \u0111a ph\u01b0\u01a1ng ti\u1ec7n, bao g\u1ed3m h\u1ed9i ngh\u1ecb video v\u00e0 chia s\u1ebb t\u1ec7p.<\/p>\n<\/li>\n

    4. \n

      Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong>: H\u1ec7 th\u1ed1ng VoIP c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u0103ng ho\u1eb7c gi\u1ea3m quy m\u00f4 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u li\u00ean l\u1ea1c thay \u0111\u1ed5i, khi\u1ebfn n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p thu\u1ed9c m\u1ecdi quy m\u00f4.<\/p>\n<\/li>\n

    5. \n

      T\u00ednh n\u0103ng cu\u1ed9c g\u1ecdi n\u00e2ng cao<\/strong>: VoIP cung c\u1ea5p chuy\u1ec3n ti\u1ebfp cu\u1ed9c g\u1ecdi, ch\u1edd cu\u1ed9c g\u1ecdi, th\u01b0 tho\u1ea1i, ID ng\u01b0\u1eddi g\u1ecdi v\u00e0 c\u00e1c t\u00ednh n\u0103ng qu\u1ea3n l\u00fd cu\u1ed9c g\u1ecdi n\u00e2ng cao kh\u00e1c.<\/p>\n<\/li>\n

    6. \n

      Kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn to\u00e0n c\u1ea7u<\/strong>: VoIP v\u01b0\u1ee3t qua ranh gi\u1edbi \u0111\u1ecba l\u00fd, cho ph\u00e9p li\u00ean l\u1ea1c li\u1ec1n m\u1ea1ch v\u1edbi ng\u01b0\u1eddi d\u00f9ng t\u1eeb kh\u1eafp n\u01a1i tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n<\/li>\n<\/ol>\n

      C\u00e1c lo\u1ea1i giao th\u1ee9c tho\u1ea1i qua Internet (VoIP)<\/h2>\n

      C\u00f4ng ngh\u1ec7 VoIP \u0111\u00e3 ph\u00e1t tri\u1ec3n \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c nhu c\u1ea7u li\u00ean l\u1ea1c kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i VoIP ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n\n\n\n\n\n\n
      Lo\u1ea1i VoIP<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
      VoIP m\u00e1y t\u00ednh v\u1edbi m\u00e1y t\u00ednh<\/strong><\/td>\nH\u00ecnh th\u1ee9c VoIP c\u01a1 b\u1ea3n nh\u1ea5t, n\u01a1i ng\u01b0\u1eddi d\u00f9ng giao ti\u1ebfp qua m\u00e1y t\u00ednh c\u1ee7a h\u1ecd b\u1eb1ng c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ec1m ho\u1eb7c \u1ee9ng d\u1ee5ng kh\u00e1ch d\u1ef1a tr\u00ean web. V\u00ed d\u1ee5 bao g\u1ed3m Skype v\u00e0 Google Meet.<\/td>\n<\/tr>\n
      VoIP t\u1eeb m\u00e1y t\u00ednh \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i<\/strong><\/td>\nCho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng g\u1ecdi \u0111\u1ebfn s\u1ed1 \u0111i\u1ec7n tho\u1ea1i c\u1ed1 \u0111\u1ecbnh ho\u1eb7c di \u0111\u1ed9ng truy\u1ec1n th\u1ed1ng t\u1eeb m\u00e1y t\u00ednh c\u1ee7a h\u1ecd. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c d\u1ecbch v\u1ee5 d\u1ef1a tr\u00ean \u0111\u0103ng k\u00fd.<\/td>\n<\/tr>\n
      VoIP t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i<\/strong><\/td>\nNg\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi VoIP tr\u1ef1c ti\u1ebfp t\u1eeb \u0111i\u1ec7n tho\u1ea1i n\u00e0y sang \u0111i\u1ec7n tho\u1ea1i kh\u00e1c, b\u1ecf qua m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i truy\u1ec1n th\u1ed1ng. Nhi\u1ec1u \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng n\u00e0y th\u00f4ng qua nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/td>\n<\/tr>\n
      VoIP di \u0111\u1ed9ng<\/strong><\/td>\nS\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng v\u00e0 Wi-Fi \u0111\u1ec3 th\u1ef1c hi\u1ec7n cu\u1ed9c g\u1ecdi VoIP tr\u00ean \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh v\u00e0 m\u00e1y t\u00ednh b\u1ea3ng. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u01b0 WhatsApp v\u00e0 Viber s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y.<\/td>\n<\/tr>\n
      VoIP t\u00edch h\u1ee3p<\/strong><\/td>\nC\u00e1c d\u1ecbch v\u1ee5 VoIP t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c nh\u00fang trong c\u00e1c n\u1ec1n t\u1ea3ng truy\u1ec1n th\u00f4ng h\u1ee3p nh\u1ea5t cung c\u1ea5p s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c t\u00ednh n\u0103ng tho\u1ea1i, video v\u00e0 nh\u1eafn tin.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      C\u00e1c c\u00e1ch s\u1eed d\u1ee5ng Giao th\u1ee9c tho\u1ea1i qua Internet (VoIP), c\u00e1c v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p c\u1ee7a ch\u00fang<\/h2>\n

      VoIP t\u00ecm th\u1ea5y \u1ee9ng d\u1ee5ng trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau:<\/p>\n

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        Giao ti\u1ebfp kinh doanh<\/strong>: Nhi\u1ec1u doanh nghi\u1ec7p s\u1eed d\u1ee5ng VoIP \u0111\u1ec3 li\u00ean l\u1ea1c n\u1ed9i b\u1ed9 v\u00e0 b\u00ean ngo\u00e0i, g\u1ecdi h\u1ed9i ngh\u1ecb v\u00e0 c\u1ed9ng t\u00e1c hi\u1ec7u qu\u1ea3 v\u1ec1 m\u1eb7t chi ph\u00ed.<\/p>\n<\/li>\n

      2. \n

        L\u00e0m vi\u1ec7c t\u1eeb xa<\/strong>: VoIP t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00f4ng vi\u1ec7c t\u1eeb xa b\u1eb1ng c\u00e1ch cho ph\u00e9p nh\u00e2n vi\u00ean li\u00ean l\u1ea1c li\u1ec1n m\u1ea1ch t\u1eeb c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau.<\/p>\n<\/li>\n

      3. \n

        Giao ti\u1ebfp qu\u1ed1c t\u1ebf<\/strong>: VoIP ph\u1ed5 bi\u1ebfn cho c\u00e1c cu\u1ed9c g\u1ecdi qu\u1ed1c t\u1ebf v\u00ec n\u00f3 cung c\u1ea5p m\u1ee9c gi\u00e1 ph\u1ea3i ch\u0103ng h\u01a1n so v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u01b0\u1eddng d\u00e0i truy\u1ec1n th\u1ed1ng.<\/p>\n<\/li>\n<\/ol>\n

        Tuy nhi\u00ean, VoIP ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c:<\/p>\n

          \n
        1. \n

          \u0111\u1ed9 tin c\u1eady<\/strong>: VoIP ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o k\u1ebft n\u1ed1i internet, khi\u1ebfn d\u1ecbch v\u1ee5 d\u1ec5 b\u1ecb gi\u00e1n \u0111o\u1ea1n khi m\u1ea5t internet.<\/p>\n<\/li>\n

        2. \n

          Ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS)<\/strong>: \u0110i\u1ec1u ki\u1ec7n m\u1ea1ng k\u00e9m c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng m\u00e9o ho\u1eb7c tr\u1ec5 gi\u1ecdng n\u00f3i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi.<\/p>\n<\/li>\n

        3. \n

          B\u1ea3o v\u1ec7<\/strong>: VoIP d\u1ec5 b\u1ecb t\u1ea5n c\u00f4ng m\u1ea1ng nh\u01b0 nghe l\u00e9n v\u00e0 chi\u1ebfm quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n cu\u1ed9c g\u1ecdi n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<\/li>\n<\/ol>\n

          \u0110\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y, doanh nghi\u1ec7p c\u00f3 th\u1ec3 tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p QoS, s\u1eed d\u1ee5ng t\u00ednh n\u0103ng d\u1ef1 ph\u00f2ng trong k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c m\u00e3 h\u00f3a \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt.<\/p>\n

          C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c thu\u1eadt ng\u1eef t\u01b0\u01a1ng t\u1ef1<\/h2>\n\n\n\n\n\n\n\n
          Thu\u1eadt ng\u1eef<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n
          VoIP so v\u1edbi PSTN<\/strong><\/td>\nVoIP cung c\u1ea5p kh\u1ea3 n\u0103ng li\u00ean l\u1ea1c gi\u00e0u t\u00ednh n\u0103ng, ti\u1ebft ki\u1ec7m chi ph\u00ed qua internet, trong khi PSTN (M\u1ea1ng \u0111i\u1ec7n tho\u1ea1i chuy\u1ec3n m\u1ea1ch c\u00f4ng c\u1ed9ng) d\u1ef1a v\u00e0o \u0111i\u1ec7n tho\u1ea1i chuy\u1ec3n m\u1ea1ch truy\u1ec1n th\u1ed1ng. VoIP c\u00f3 t\u00ednh linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao h\u01a1n, trong khi PSTN c\u00f3 th\u1ec3 \u0111\u00e1ng tin c\u1eady h\u01a1n trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u01b0ng c\u00f3 xu h\u01b0\u1edbng c\u00f3 chi ph\u00ed cao h\u01a1n.<\/td>\n<\/tr>\n
          VoIP so v\u1edbi Truy\u1ec1n th\u00f4ng H\u1ee3p nh\u1ea5t (UC)<\/strong><\/td>\nVoIP l\u00e0 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a UC, t\u00edch h\u1ee3p nhi\u1ec1u k\u00eanh li\u00ean l\u1ea1c kh\u00e1c nhau nh\u01b0 tho\u1ea1i, video v\u00e0 nh\u1eafn tin v\u00e0o m\u1ed9t n\u1ec1n t\u1ea3ng duy nh\u1ea5t. Trong khi VoIP t\u1eadp trung v\u00e0o giao ti\u1ebfp b\u1eb1ng gi\u1ecdng n\u00f3i th\u00ec UC cung c\u1ea5p m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 c\u1ed9ng t\u00e1c to\u00e0n di\u1ec7n.<\/td>\n<\/tr>\n
          VoIP so v\u1edbi SIP<\/strong><\/td>\nVoIP l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m r\u1ed9ng h\u01a1n bao g\u1ed3m vi\u1ec7c truy\u1ec1n gi\u1ecdng n\u00f3i qua m\u1ea1ng IP, trong khi SIP (Giao th\u1ee9c kh\u1edfi t\u1ea1o phi\u00ean) l\u00e0 m\u1ed9t giao th\u1ee9c c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft l\u1eadp, s\u1eeda \u0111\u1ed5i v\u00e0 ch\u1ea5m d\u1ee9t c\u00e1c phi\u00ean VoIP. SIP l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a giao ti\u1ebfp VoIP, cho ph\u00e9p thi\u1ebft l\u1eadp cu\u1ed9c g\u1ecdi v\u00e0 b\u00e1o hi\u1ec7u.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai li\u00ean quan \u0111\u1ebfn Giao th\u1ee9c tho\u1ea1i qua Internet (VoIP)<\/h2>\n

          T\u01b0\u01a1ng lai c\u1ee7a VoIP c\u00f3 nhi\u1ec1u tri\u1ec3n v\u1ecdng th\u00fa v\u1ecb, v\u1edbi m\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c k\u1ef3 v\u1ecdng s\u1ebd \u0111\u1ecbnh h\u00ecnh s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u00f3:<\/p>\n

            \n
          1. \n

            T\u00edch h\u1ee3p 5G<\/strong>: Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i m\u1ea1ng 5G s\u1ebd n\u00e2ng cao VoIP b\u1eb1ng c\u00e1ch cung c\u1ea5p t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u cao h\u01a1n, \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 t\u1ed1t h\u01a1n.<\/p>\n<\/li>\n

          2. \n

            Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI)<\/strong>: T\u00edch h\u1ee3p AI c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi, nh\u1eadn d\u1ea1ng gi\u1ecdng n\u00f3i v\u00e0 d\u1ecbch ng\u00f4n ng\u1eef trong c\u00e1c \u1ee9ng d\u1ee5ng VoIP.<\/p>\n<\/li>\n

          3. \n

            WebRTC<\/strong>: Giao ti\u1ebfp th\u1eddi gian th\u1ef1c tr\u00ean web (WebRTC) cho ph\u00e9p c\u00e1c tr\u00ecnh duy\u1ec7t web h\u1ed7 tr\u1ee3 giao ti\u1ebfp theo th\u1eddi gian th\u1ef1c, lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 ph\u1ea7n m\u1ec1m ho\u1eb7c plugin b\u00ean ngo\u00e0i cho c\u00e1c cu\u1ed9c g\u1ecdi VoIP.<\/p>\n<\/li>\n

          4. \n

            Internet v\u1ea1n v\u1eadt (IoT)<\/strong>: VoIP c\u00f3 th\u1ec3 s\u1ebd t\u00edch h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb IoT, cho ph\u00e9p li\u00ean l\u1ea1c li\u1ec1n m\u1ea1ch gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0 ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<\/li>\n<\/ol>\n

            C\u00e1ch s\u1eed d\u1ee5ng ho\u1eb7c li\u00ean k\u1ebft m\u00e1y ch\u1ee7 proxy v\u1edbi Giao th\u1ee9c tho\u1ea1i qua Internet (VoIP)<\/h2>\n

            M\u00e1y ch\u1ee7 proxy \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt VoIP. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy v\u1edbi VoIP:<\/p>\n

              \n
            1. \n

              Truy\u1ec1n t\u1ea3i t\u01b0\u1eddng l\u1eeda<\/strong>: M\u00e1y ch\u1ee7 proxy gi\u00fap c\u00e1c thi\u1ebft b\u1ecb VoIP ph\u00eda sau t\u01b0\u1eddng l\u1eeda thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng b\u00ean ngo\u00e0i b\u1eb1ng c\u00e1ch \u0111\u00f3ng vai tr\u00f2 trung gian.<\/p>\n<\/li>\n

            2. \n

              \u1ea8n danh v\u00e0 quy\u1ec1n ri\u00eang t\u01b0<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u1ea9n \u0111\u1ecba ch\u1ec9 IP c\u1ee7a ng\u01b0\u1eddi d\u00f9ng VoIP, cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt.<\/p>\n<\/li>\n

            3. \n

              C\u00e2n b\u1eb1ng t\u1ea3i<\/strong>: M\u00e1y ch\u1ee7 proxy ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng VoIP tr\u00ean nhi\u1ec1u m\u00e1y ch\u1ee7, t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi.<\/p>\n<\/li>\n

            4. \n

              Gi\u00e1m s\u00e1t giao th\u00f4ng<\/strong>: M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng VoIP, ph\u00e1t hi\u1ec7n s\u1ef1 b\u1ea5t th\u01b0\u1eddng v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c m\u1ed1i \u0111e d\u1ecda b\u1ea3o m\u1eadt ti\u1ec1m \u1ea9n.<\/p>\n<\/li>\n<\/ol>\n

              Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n

              \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 Giao th\u1ee9c Tho\u1ea1i qua Internet (VoIP), vui l\u00f2ng tham kh\u1ea3o c\u00e1c t\u00e0i nguy\u00ean sau:<\/p>\n

                \n
              1. Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 VoIP \u2013 \u1ee6y ban Truy\u1ec1n th\u00f4ng Li\u00ean bang<\/a><\/li>\n
              2. \u0110\u1ecbnh ngh\u0129a v\u00e0 t\u1ed5ng quan v\u1ec1 VoIP \u2013 Lifewire<\/a><\/li>\n
              3. Gi\u1edbi thi\u1ec7u v\u1ec1 VoIP \u2013 Cisco<\/a><\/li>\n<\/ol>\n

                Khi VoIP ti\u1ebfp t\u1ee5c c\u00e1ch m\u1ea1ng h\u00f3a truy\u1ec1n th\u00f4ng, vi\u1ec7c \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho c\u1ea3 doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n. T\u01b0\u01a1ng lai c\u00f2n c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng th\u00fa v\u1ecb h\u01a1n khi VoIP ph\u00e1t tri\u1ec3n v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, gi\u00fap vi\u1ec7c li\u00ean l\u1ea1c tr\u1edf n\u00ean li\u1ec1n m\u1ea1ch, hi\u1ec7u qu\u1ea3 v\u00e0 k\u1ebft n\u1ed1i v\u1edbi nhau h\u01a1n bao gi\u1edd h\u1ebft.<\/p>","protected":false},"featured_media":470856,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-479563","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Voice over Internet Protocol (VoIP): Revolutionizing Communication in the Digital Age<\/mark>","faq_items":[{"question":"What is Voice over Internet Protocol (VoIP)?","answer":"

                Voice over Internet Protocol (VoIP) is a revolutionary technology that enables the transmission of voice and multimedia communications over the internet. It converts analog voice signals into digital data packets, which are transmitted over IP networks and then converted back to analog signals at the destination.<\/p>"},{"question":"How did VoIP originate, and when was it first mentioned?","answer":"

                The concept of transmitting voice data over the internet dates back to the early 1970s when the U.S. Department of Defense began experimenting with packet-switched networks. The first real mention of VoIP came in the mid-1990s when VocalTec introduced the Internet Phone, making it the first successful commercial VoIP implementation.<\/p>"},{"question":"How does VoIP work?","answer":"

                VoIP works by converting analog voice signals into digital data packets, which are transmitted over IP networks. At the destination, the digital packets are converted back into analog voice signals. This process utilizes existing internet infrastructure and offers cost-effective and efficient communication solutions.<\/p>"},{"question":"What are the key features of VoIP?","answer":"

                VoIP offers a range of features, including cost-effectiveness, versatility (communication through various devices), support for multimedia communication, scalability, advanced call features, and global accessibility.<\/p>"},{"question":"What types of VoIP exist?","answer":"

                There are several types of VoIP:<\/p>

                • Computer-to-Computer VoIP (e.g., Skype)<\/li>
                • Computer-to-Phone VoIP (calling traditional phones from computers)<\/li>
                • Phone-to-Phone VoIP (direct calls between phones)<\/li>
                • Mobile VoIP (using mobile networks and Wi-Fi on smartphones)<\/li>
                • Integrated VoIP (part of unified communication platforms)<\/li><\/ul>"},{"question":"How is VoIP used, and what are the challenges?","answer":"

                  VoIP finds applications in business communication, remote work, and international calling. Challenges include reliability during internet outages, quality of service concerns, and security vulnerabilities.<\/p>"},{"question":"What are the main characteristics of VoIP, and how does it compare to PSTN and Unified Communications (UC)?","answer":"

                  VoIP offers cost-effective, feature-rich communication over the internet. Compared to PSTN (traditional telephony), VoIP is more flexible and scalable. Unified Communications (UC) includes VoIP as a fundamental component but offers a comprehensive suite of collaboration tools.<\/p>"},{"question":"What are the future technologies related to VoIP?","answer":"

                  The future of VoIP includes integration with 5G networks, advancements in AI for call quality and speech recognition, WebRTC for browser-based communication, and integration with IoT devices.<\/p>"},{"question":"How are proxy servers associated with VoIP?","answer":"

                  Proxy servers enhance VoIP security and performance by assisting with firewall traversal, providing anonymity and privacy, load balancing, and traffic monitoring.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479563","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/479563\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/470856"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=479563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}