{"id":6668,"date":"2021-09-12T10:54:09","date_gmt":"2021-09-12T03:54:09","guid":{"rendered":"https:\/\/bellbell24vietnam.vn\/?p=6668"},"modified":"2026-03-18T11:44:00","modified_gmt":"2026-03-18T04:44:00","slug":"sip-trunking","status":"publish","type":"post","link":"https:\/\/bell24vietnam.vn\/en\/technology\/sip-trunking\/","title":{"rendered":"WHAT IS SIP TRUNKING? HOW DOES IT WORK IN A CALL CENTER?"},"content":{"rendered":"

SIP Trunk l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf h\u1ea1 t\u1ea7ng tho\u1ea1i truy\u1ec1n th\u1ed1ng (PSTN) b\u1eb1ng k\u1ebft n\u1ed1i Internet, gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft c\u00e1c Contact Center hi\u1ec7n \u0111\u1ea1i<\/a><\/span>. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch SIP trunk l\u00e0 g\u00ec, ho\u1ea1t \u0111\u1ed9ng th\u1ebf n\u00e0o, khi n\u00e0o n\u00ean tri\u1ec3n khai v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd cho doanh nghi\u1ec7p.<\/p>\n

SIP Trunk l\u00e0 g\u00ec?<\/h2>\n

SIP Trunk<\/strong> (hay SIP Trunking) l\u00e0 c\u00f4ng ngh\u1ec7 cho ph\u00e9p doanh nghi\u1ec7p th\u1ef1c hi\u1ec7n v\u00e0 nh\u1eadn cu\u1ed9c g\u1ecdi tho\u1ea1i th\u00f4ng qua Internet thay v\u00ec qua \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i v\u1eadt l\u00fd truy\u1ec1n th\u1ed1ng (PSTN). T\u00ean g\u1ecdi c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c gh\u00e9p t\u1eeb hai th\u00e0nh ph\u1ea7n:<\/p>\n

SIP \u2014 Session Initiation Protocol:<\/strong> Giao th\u1ee9c t\u00edn hi\u1ec7u d\u00f9ng \u0111\u1ec3 kh\u1edfi t\u1ea1o, duy tr\u00ec v\u00e0 k\u1ebft th\u00fac c\u00e1c phi\u00ean giao ti\u1ebfp \u0111a ph\u01b0\u01a1ng ti\u1ec7n, bao g\u1ed3m tho\u1ea1i, video v\u00e0 nh\u1eafn tin qua m\u1ea1ng IP. SIP l\u00e0 giao th\u1ee9c ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong h\u1ec7 th\u1ed1ng VoIP<\/a><\/span> hi\u1ec7n nay.<\/p>\n

Trunk:<\/strong>\u00a0\u0110\u01b0\u1eddng k\u1ebft n\u1ed1i mang nhi\u1ec1u t\u00edn hi\u1ec7u \u0111\u1ed3ng th\u1eddi. Trong vi\u1ec5n th\u00f4ng truy\u1ec1n th\u1ed1ng, m\u1ed9t trunk v\u1eadt l\u00fd l\u00e0 m\u1ed9t c\u1eb7p d\u00e2y \u0111\u1ed3ng ho\u1eb7c c\u00e1p quang k\u1ebft n\u1ed1i t\u1ed5ng \u0111\u00e0i v\u1edbi m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i c\u00f4ng c\u1ed9ng. SIP Trunk thay th\u1ebf k\u1ebft n\u1ed1i v\u1eadt l\u00fd n\u00e0y b\u1eb1ng k\u1ebft n\u1ed1i \u1ea3o qua Internet.<\/p>\n

N\u00f3i \u0111\u01a1n gi\u1ea3n h\u01a1n, thay v\u00ec doanh nghi\u1ec7p c\u1ea7n 50 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i v\u1eadt l\u00fd \u0111\u1ec3 x\u1eed l\u00fd \u0111\u1ed3ng th\u1eddi 50 cu\u1ed9c g\u1ecdi, SIP Trunk cho ph\u00e9p x\u1eed l\u00fd s\u1ed1 l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi \u0111\u00f3 qua m\u1ed9t k\u1ebft n\u1ed1i Internet duy nh\u1ea5t, v\u1edbi chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t h\u01a1n nhi\u1ec1u.<\/p>\n

\"sip<\/p>\n

SIP Trunk ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n

Quy tr\u00ecnh m\u1ed9t cu\u1ed9c g\u1ecdi \u0111i qua SIP Trunk di\u1ec5n ra nh\u01b0 sau:<\/p>\n

B\u01b0\u1edbc 1 \u2014 Kh\u1edfi t\u1ea1o cu\u1ed9c g\u1ecdi<\/strong><\/p>\n

Khi agent ho\u1eb7c kh\u00e1ch h\u00e0ng b\u1eaft \u0111\u1ea7u cu\u1ed9c g\u1ecdi, h\u1ec7 th\u1ed1ng IP-PBX (t\u1ed5ng \u0111\u00e0i n\u1ed9i b\u1ed9) c\u1ee7a doanh nghi\u1ec7p g\u1eedi t\u00edn hi\u1ec7u SIP \u0111\u1ebfn nh\u00e0 cung c\u1ea5p SIP Trunk qua Internet.<\/p>\n

B\u01b0\u1edbc 2 \u2014 \u0110\u1ecbnh tuy\u1ebfn<\/strong><\/p>\n

Nh\u00e0 cung c\u1ea5p SIP Trunk nh\u1eadn t\u00edn hi\u1ec7u, x\u00e1c \u0111\u1ecbnh \u0111\u1ea7u s\u1ed1 \u0111\u00edch v\u00e0 \u0111\u1ecbnh tuy\u1ebfn cu\u1ed9c g\u1ecdi \u0111\u1ebfn \u0111\u00fang \u0111i\u1ec3m, c\u00f3 th\u1ec3 l\u00e0 m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i c\u00f4ng c\u1ed9ng (PSTN), m\u1ea1ng di \u0111\u1ed9ng, ho\u1eb7c m\u1ed9t \u0111\u1ea7u cu\u1ed1i VoIP kh\u00e1c.<\/p>\n

B\u01b0\u1edbc 3 \u2014 Truy\u1ec1n t\u1ea3i gi\u1ecdng n\u00f3i<\/strong><\/p>\n

Gi\u1ecdng n\u00f3i \u0111\u01b0\u1ee3c s\u1ed1 h\u00f3a, n\u00e9n l\u1ea1i theo c\u00e1c codec chu\u1ea9n (G.711, G.729…) v\u00e0 truy\u1ec1n qua Internet d\u01b0\u1edbi d\u1ea1ng c\u00e1c g\u00f3i d\u1eef li\u1ec7u IP t\u01b0\u01a1ng t\u1ef1 c\u00e1ch truy\u1ec1n d\u1eef li\u1ec7u th\u00f4ng th\u01b0\u1eddng tr\u00ean Internet.<\/p>\n

B\u01b0\u1edbc 4 \u2014 K\u1ebft th\u00fac v\u00e0 ghi nh\u1eadn<\/strong><\/p>\n

Khi cu\u1ed9c g\u1ecdi k\u1ebft th\u00fac, giao th\u1ee9c SIP g\u1eedi t\u00edn hi\u1ec7u k\u1ebft th\u00fac phi\u00ean, h\u1ec7 th\u1ed1ng ghi nh\u1eadn th\u1eddi l\u01b0\u1ee3ng v\u00e0 c\u1eadp nh\u1eadt b\u00e1o c\u00e1o.<\/p>\n

C\u00f3 m\u1ed9t \u0111i\u1ec3m quan tr\u1ecdng c\u1ea7n hi\u1ec3u, m\u1ed9t SIP Trunk c\u00f3 th\u1ec3 mang nhi\u1ec1u cu\u1ed9c g\u1ecdi \u0111\u1ed3ng th\u1eddi, s\u1ed1 l\u01b0\u1ee3ng ph\u1ee5 thu\u1ed9c v\u00e0o b\u0103ng th\u00f4ng \u0111\u0103ng k\u00fd v\u00e0 s\u1ed1 channel \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p. \u0110\u00e2y l\u00e0 kh\u00e1c bi\u1ec7t c\u0103n b\u1ea3n so v\u1edbi \u0111\u01b0\u1eddng d\u00e2y v\u1eadt l\u00fd truy\u1ec1n th\u1ed1ng, khi m\u1ed9t d\u00e2y ch\u1ec9 mang \u0111\u01b0\u1ee3c m\u1ed9t cu\u1ed9c g\u1ecdi t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/p>\n

SIP Trunk vs. PSTN<\/h2>\n

\u0110\u1ec3 hi\u1ec3u r\u00f5 gi\u00e1 tr\u1ecb c\u1ee7a SIP Trunk, c\u1ea7n so s\u00e1nh tr\u1ef1c ti\u1ebfp v\u1edbi m\u00f4 h\u00ecnh PSTN m\u00e0 h\u1ea7u h\u1ebft doanh nghi\u1ec7p \u0111ang ho\u1eb7c t\u1eebng s\u1eed d\u1ee5ng.<\/p>\n\n\n\n\n\n\n\n\n\n
Criteria<\/th>\nPSTN<\/th>\nSIP Trunk<\/th>\n<\/tr>\n<\/thead>\n
H\u1ea1 t\u1ea7ng<\/td>\n\u0110\u01b0\u1eddng d\u00e2y, ph\u1ea7n c\u1ee9ng c\u1ed1 \u0111\u1ecbnh<\/td>\nK\u1ebft n\u1ed1i Internet<\/td>\n<\/tr>\n
Chi ph\u00ed c\u01b0\u1edbc<\/td>\nHigh<\/td>\nTh\u1ea5p h\u01a1n, g\u1ecdi n\u1ed9i m\u1ea1ng mi\u1ec5n ph\u00ed<\/td>\n<\/tr>\n
M\u1edf r\u1ed9ng<\/td>\nC\u1ea7n l\u1eafp th\u00eam \u0111\u01b0\u1eddng d\u00e2y v\u1eadt l\u00fd<\/td>\nTh\u00eam channel qua c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m<\/td>\n<\/tr>\n
\u0110\u1ecba \u0111i\u1ec3m<\/td>\nG\u1eafn v\u1edbi \u0111\u1ecba \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t<\/td>\nL\u00e0m vi\u1ec7c t\u1eeb xa v\u1edbi Internet<\/td>\n<\/tr>\n
T\u00edch h\u1ee3p<\/td>\nRestrictions<\/td>\nFlexible<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u1ee3i \u00edch c\u1ee7a SIP Trunk v\u1edbi doanh nghi\u1ec7p v\u1eadn h\u00e0nh Contact Center<\/h2>\n

Gi\u1ea3m chi ph\u00ed h\u1ea1 t\u1ea7ng tho\u1ea1i \u0111\u00e1ng k\u1ec3<\/h3>\n

\u0110\u00e2y th\u01b0\u1eddng l\u00e0 l\u00fd do \u0111\u1ea7u ti\u00ean v\u00e0 r\u00f5 r\u00e0ng nh\u1ea5t khi\u1ebfn doanh nghi\u1ec7p chuy\u1ec3n sang SIP Trunk. Chi ph\u00ed cu\u1ed9c g\u1ecdi n\u1ed9i m\u1ea1ng gi\u1eefa c\u00e1c chi nh\u00e1nh th\u01b0\u1eddng b\u1eb1ng 0, v\u00ec t\u00edn hi\u1ec7u ch\u1ec9 \u0111i trong m\u1ea1ng n\u1ed9i b\u1ed9.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c cu\u1ed9c g\u1ecdi ra ngo\u00e0i, \u0111\u1eb7c bi\u1ec7t li\u00ean t\u1ec9nh v\u00e0 qu\u1ed1c t\u1ebf, chi ph\u00ed c\u0169ng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u01b0\u1edbc PSTN. Ngo\u00e0i ra, kh\u00f4ng c\u00f2n chi ph\u00ed duy tr\u00ec \u0111\u01b0\u1eddng d\u00e2y v\u1eadt l\u00fd, ph\u1ea7n c\u1ee9ng k\u1ebft n\u1ed1i v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3.<\/p>\n

M\u1edf r\u1ed9ng quy m\u00f4 t\u1ee9c th\u00ec, kh\u00f4ng c\u1ea7n l\u1eafp \u0111\u1eb7t<\/h3>\n

V\u1edbi t\u1ed5ng \u0111\u00e0i truy\u1ec1n th\u1ed1ng, th\u00eam 20 \u0111\u01b0\u1eddng d\u00e2y m\u1edbi c\u00f3 ngh\u0129a l\u00e0 \u0111\u1eb7t l\u1ecbch v\u1edbi nh\u00e0 cung c\u1ea5p, ch\u1edd l\u1eafp \u0111\u1eb7t, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 m\u1ea5t th\u1eddi gian. V\u1edbi SIP Trunk, t\u0103ng th\u00eam quy m\u00f4 l\u00e0 ch\u1ec9 c\u1ea7n thao t\u00e1c c\u1ea5u h\u00ecnh ph\u1ea7n m\u1ec1m, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n trong v\u00e0i ph\u00fat.<\/p>\n

V\u1edbi c\u00e1c Contact Center Inbound<\/span><\/a>\u00a0c\u00f3 bi\u1ebfn \u0111\u1ed9ng l\u01b0u l\u01b0\u1ee3ng theo m\u00f9a v\u1ee5 ho\u1eb7c chi\u1ebfn d\u1ecbch, \u0111\u00e2y l\u00e0 l\u1ee3i th\u1ebf v\u1eadn h\u00e0nh tr\u1ef1c ti\u1ebfp.<\/p>\n

H\u1ed7 tr\u1ee3 l\u00e0m vi\u1ec7c t\u1eeb xa<\/h3>\n

SIP Trunk kh\u00f4ng g\u1eafn v\u1edbi \u0111\u1ecba \u0111i\u1ec3m v\u1eadt l\u00fd. Agent c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c t\u1ea1i v\u0103n ph\u00f2ng H\u00e0 N\u1ed9i, TP.HCM ho\u1eb7c t\u1eeb xa, t\u1ea5t c\u1ea3 \u0111\u1ec1u k\u1ebft n\u1ed1i v\u00e0o c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng, c\u00f9ng m\u1ed9t \u0111\u1ea7u s\u1ed1, c\u00f9ng m\u1ed9t h\u00e0ng \u0111\u1ee3i. V\u1edbi xu h\u01b0\u1edbng hybrid work hi\u1ec7n nay, \u0111\u00e2y l\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n ch\u1ee9 kh\u00f4ng c\u00f2n l\u00e0 t\u00ednh n\u0103ng n\u00e2ng cao.<\/p>\n

T\u00edch h\u1ee3p linh ho\u1ea1t v\u1edbi h\u1ec7 th\u1ed1ng kh\u00e1c<\/h3>\n

SIP Trunk l\u00e0 giao th\u1ee9c m\u1edf, t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng IP-PBX, ph\u1ea7n m\u1ec1m\u00a0t\u1ed5ng \u0111\u00e0i, v\u00e0 CRM tr\u00ean th\u1ecb tr\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p x\u00e2y d\u1ef1ng h\u1ec7 sinh th\u00e1i t\u00edch h\u1ee3p, gi\u00fap d\u1eef li\u1ec7u cu\u1ed9c g\u1ecdi \u0111\u1ed3ng b\u1ed9 v\u1edbi CRM, l\u1ecbch s\u1eed t\u01b0\u01a1ng t\u00e1c hi\u1ec3n th\u1ecb tr\u1ef1c ti\u1ebfp tr\u00ean m\u00e0n h\u00ecnh agent, b\u00e1o c\u00e1o th\u1eddi gian th\u1ef1c t\u1eeb m\u1ed9t ngu\u1ed3n d\u1eef li\u1ec7u duy nh\u1ea5t.<\/p>\n

D\u1ef1 ph\u00f2ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n<\/h3>\n

H\u1ec7 th\u1ed1ng SIP Trunk hi\u1ec7n \u0111\u1ea1i cho ph\u00e9p c\u1ea5u h\u00ecnh failover t\u1ef1 \u0111\u1ed9ng: n\u1ebfu m\u1ed9t tuy\u1ebfn k\u1ebft n\u1ed1i g\u1eb7p s\u1ef1 c\u1ed1, cu\u1ed9c g\u1ecdi t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n qua tuy\u1ebfn d\u1ef1 ph\u00f2ng m\u00e0 kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n. \u0110\u00e2y l\u00e0 kh\u1ea3 n\u0103ng m\u00e0 h\u1ea1 t\u1ea7ng PSTN truy\u1ec1n th\u1ed1ng kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch linh ho\u1ea1t v\u00e0 t\u1ee9c th\u00ec.<\/p>\n

SIP Trunk trong m\u00f4i tr\u01b0\u1eddng Contact Center hi\u1ec7n \u0111\u1ea1i<\/h2>\n

V\u1edbi c\u00e1c doanh nghi\u1ec7p v\u1eadn h\u00e0nh Contact Center quy m\u00f4 v\u1eeba v\u00e0 l\u1edbn, SIP Trunk kh\u00f4ng ch\u1ec9 l\u00e0 gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m chi ph\u00ed, n\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt cho ph\u00e9p nhi\u1ec1u t\u00ednh n\u0103ng v\u1eadn h\u00e0nh quan tr\u1ecdng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c.<\/p>\n

T\u00edch h\u1ee3p v\u1edbi IVR v\u00e0 ACD:<\/strong> SIP Trunk k\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng IVR<\/span> (Interactive Voice Response) v\u00e0 ACD<\/a><\/span> (Automatic Call Distribution) cho ph\u00e9p \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng minh. M\u1ed7i cu\u1ed9c g\u1ecdi \u0111\u1ebfn \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i, x\u1eed l\u00fd b\u01b0\u1edbc \u0111\u1ea7u b\u1edfi IVR v\u00e0 chuy\u1ec3n \u0111\u1ebfn \u0111\u00fang agent ho\u1eb7c nh\u00f3m x\u1eed l\u00fd ph\u00f9 h\u1ee3p, t\u1ea5t c\u1ea3 di\u1ec5n ra t\u1ef1 \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh linh ho\u1ea1t.<\/p>\n

K\u1ebft h\u1ee3p v\u1edbi Voicebot v\u00e0 AI:<\/strong>\u00a0C\u00e1c gi\u1ea3i ph\u00e1p\u00a0Voicebot<\/a><\/span>\u00a0v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a tho\u1ea1i hi\u1ec7n nay \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng tr\u00ean n\u1ec1n SIP. Khi tri\u1ec3n khai Voicebot \u0111\u1ec3 x\u1eed l\u00fd cu\u1ed9c g\u1ecdi inbound t\u1ef1 \u0111\u1ed9ng ho\u1eb7c th\u1ef1c hi\u1ec7n outbound t\u1ef1 \u0111\u1ed9ng, SIP Trunk l\u00e0 l\u1edbp h\u1ea1 t\u1ea7ng k\u1ebft n\u1ed1i Voicebot v\u1edbi m\u1ea1ng \u0111i\u1ec7n tho\u1ea1i th\u1ef1c.<\/p>\n

H\u1ed7 tr\u1ee3 \u0111\u1ea7u s\u1ed1 \u0111a d\u1ea1ng:<\/strong> Qua SIP Trunk, doanh nghi\u1ec7p c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0 v\u1eadn h\u00e0nh \u0111\u1ed3ng th\u1eddi nhi\u1ec1u lo\u1ea1i \u0111\u1ea7u s\u1ed1: 1800, 1900, \u0111\u1ea7u s\u1ed1 c\u1ed1 \u0111\u1ecbnh, \u0111\u1ea7u s\u1ed1 di \u0111\u1ed9ng.<\/p>\n

N\u1ec1n t\u1ea3ng cho Omnichannel:<\/strong>\u00a0SIP Trunk l\u00e0 n\u1ec1n t\u1ea3ng tho\u1ea1i trong ki\u1ebfn tr\u00fac\u00a0Omnichannel Contact Center<\/a><\/span>. Khi k\u00eanh tho\u1ea1i \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a tr\u00ean SIP, vi\u1ec7c t\u00edch h\u1ee3p v\u1edbi c\u00e1c k\u00eanh kh\u00e1c (chat, email, m\u1ea1ng x\u00e3 h\u1ed9i) \u0111\u1ec3 t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u01b0\u01a1ng t\u00e1c h\u1ee3p nh\u1ea5t s\u1ebd thu\u1eadn ti\u1ec7n h\u01a1n nhi\u1ec1u.<\/p>\n

Nh\u1eefng \u0111i\u1ec1u c\u1ea7n \u0111\u00e1nh gi\u00e1 tr\u01b0\u1edbc khi tri\u1ec3n khai SIP Trunk<\/h2>\n

B\u0103ng th\u00f4ng Internet<\/h3>\n

Ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c g\u1ecdi SIP ph\u1ee5 thu\u1ed9c tr\u1ef1c ti\u1ebfp v\u00e0o b\u0103ng th\u00f4ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1ebft n\u1ed1i Internet. M\u1ed7i cu\u1ed9c g\u1ecdi \u0111\u1ed3ng th\u1eddi ti\u00eau th\u1ee5 kho\u1ea3ng 85\u2013100 Kbps (t\u00f9y codec). M\u1ed9t t\u1ed5ng \u0111\u00e0i c\u1ea7n x\u1eed l\u00fd 100 cu\u1ed9c g\u1ecdi \u0111\u1ed3ng th\u1eddi c\u1ea7n t\u1ed1i thi\u1ec3u 10 Mbps ch\u1ec9 ri\u00eang cho tho\u1ea1i v\u00e0 b\u0103ng th\u00f4ng n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c \u01b0u ti\u00ean (QoS) \u0111\u1ec3 kh\u00f4ng b\u1ecb c\u1ea1nh tranh b\u1edfi l\u01b0u l\u01b0\u1ee3ng Internet th\u00f4ng th\u01b0\u1eddng c\u1ee7a doanh nghi\u1ec7p.<\/p>\n

QoS (Quality of Service)<\/h3>\n

Tho\u1ea1i qua IP r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 tr\u1ec5 (latency) v\u00e0 bi\u1ebfn \u0111\u1ed9ng tr\u1ec5\u00a0(jitter). \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng tho\u1ea1i \u1ed5n \u0111\u1ecbnh, h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh QoS \u0111\u1ec3 \u01b0u ti\u00ean g\u00f3i tin tho\u1ea1i so v\u1edbi c\u00e1c g\u00f3i tin d\u1eef li\u1ec7u th\u00f4ng th\u01b0\u1eddng. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc k\u1ef9 thu\u1eadt quan tr\u1ecdng m\u00e0 nhi\u1ec1u doanh nghi\u1ec7p b\u1ecf qua khi tri\u1ec3n khai, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng ch\u1ea5t l\u01b0\u1ee3ng tho\u1ea1i k\u00e9m d\u00f9 b\u0103ng th\u00f4ng \u0111\u00e3 \u0111\u1ee7.<\/p>\n

T\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi IP-PBX hi\u1ec7n c\u00f3<\/h3>\n

N\u1ebfu doanh nghi\u1ec7p \u0111ang s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng t\u1ed5ng \u0111\u00e0i IP (IP-PBX), c\u1ea7n ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1edbi SIP Trunk c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ef1 ki\u1ebfn. Ph\u1ea7n l\u1edbn IP-PBX hi\u1ec7n \u0111\u1ea1i h\u1ed7 tr\u1ee3 SIP chu\u1ea9n, nh\u01b0ng m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng c\u0169 c\u00f3 th\u1ec3 c\u1ea7n c\u1ea5u h\u00ecnh b\u1ed5 sung ho\u1eb7c firmware update.<\/p>\n

SLA v\u00e0 cam k\u1ebft ch\u1ea5t l\u01b0\u1ee3ng t\u1eeb nh\u00e0 cung c\u1ea5p<\/h3>\n

Kh\u00f4ng ph\u1ea3i m\u1ecdi nh\u00e0 cung c\u1ea5p SIP Trunk \u0111\u1ec1u c\u00f3 c\u00f9ng m\u1ee9c ch\u1ea5t l\u01b0\u1ee3ng. Do \u0111\u00f3 doanh nghi\u1ec7p c\u1ea7n ki\u1ec3m tra k\u1ef9:<\/p>\n