{"id":8866,"date":"2021-06-10T16:51:23","date_gmt":"2021-06-10T09:51:23","guid":{"rendered":"https:\/\/tino.vn\/?post_type=ht_kb&#038;p=8866"},"modified":"2021-07-07T13:34:45","modified_gmt":"2021-07-07T06:34:45","slug":"telephony-su-co-ket-noi-dien-thoai-sip","status":"publish","type":"ht_kb","link":"https:\/\/tino.vn\/blog\/docs\/telephony-su-co-ket-noi-dien-thoai-sip\/","title":{"rendered":"[Telephony] S\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i Sip"},"content":{"rendered":"<h1>S\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i Sip<\/h1>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i SIP c\u1ee7a b\u1ea1n kh\u00f4ng th\u00e0nh c\u00f4ng, vui l\u00f2ng ki\u1ec3m tra ph\u1ea7n sau:<\/p>\n<ul>\n<li>Kh\u1ea3 n\u0103ng th\u00eam \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 d\u00e0i. Khi b\u1ea1n k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i nh\u00e2m nhi trong trang t\u00f9y ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i ng\u01b0\u1eddi d\u00f9ng, b\u1ea1n c\u1ea7n th\u00eam \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 g\u1ed3m 38 k\u00fd hi\u1ec7u. N\u1ebfu \u0111i\u1ec7n tho\u1ea1i nh\u00e2m nhi c\u1ee7a b\u1ea1n kh\u00f4ng cho ph\u00e9p th\u00eam min. \u0110\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 g\u1ed3m 38 k\u00fd hi\u1ec7u, b\u1ea1n s\u1ebd kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i nh\u00e2m nhi n\u00e0y.<\/li>\n<li>B\u1ea1n n\u00ean s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i Sip v\u1edbi c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh trong khi k\u1ebft n\u1ed1i. M\u1ed9t s\u1ed1 \u0111i\u1ec7n tho\u1ea1i nh\u00e2m nhi c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng n\u1ebfu c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh c\u1ee7a ch\u00fang b\u1ecb thay \u0111\u1ed5i.<\/li>\n<li>B\u1ea1n n\u00ean c\u00e0i \u0111\u1eb7t b\u1ea3n c\u1eadp nh\u1eadt cu\u1ed1i c\u00f9ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i Sip c\u1ee7a m\u00ecnh. M\u1ed9t s\u1ed1 \u0111i\u1ec7n tho\u1ea1i nh\u00e2m nhi c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u00ec ch\u00fang ch\u01b0a \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt.<\/li>\n<li>\u0110i\u1ec7n tho\u1ea1i Sip c\u1ee7a b\u1ea1n ph\u1ea3i h\u1ed7 tr\u1ee3 giao th\u1ee9c TCP ho\u1eb7c UDP, nh\u01b0 ip.b24-xxx-xxxxxxxxxx.bitrixphone.com m\u00e1y ch\u1ee7 ch\u1ec9 s\u1eed d\u1ee5ng c\u00e1c giao th\u1ee9c n\u00e0y. N\u1ebfu \u0111i\u1ec7n tho\u1ea1i Sip c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 c\u1ea3 hai giao th\u1ee9c th\u00ec UDP s\u1ebd th\u00edch h\u1ee3p h\u01a1n.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 t\u1eaft m\u00e1y ch\u1ee7 STUN trong \u0111i\u1ec7n tho\u1ea1i Sip, v\u00ec n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 v\u1edbi l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp qua NAT (d\u1eabn \u0111\u1ebfn cu\u1ed9c tr\u00f2 chuy\u1ec7n gi\u00e1n \u0111o\u1ea1n \\ ng\u1eaft cu\u1ed9c g\u1ecdi&nbsp; khi cu\u1ed9c g\u1ecdi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n).<\/li>\n<li>\u0110\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n \u0111\u00e3 t\u1eaft t\u00f9y ch\u1ecdn SIP \u2013 ALG trong c\u00e0i \u0111\u1eb7t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn internet v\u0103n ph\u00f2ng c\u1ee7a m\u00ecnh. N\u1ebfu t\u00f9y ch\u1ecdn \u0111ang ho\u1ea1t \u0111\u1ed9ng, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn cu\u1ed9c tr\u00f2 chuy\u1ec7n gi\u00e1n \u0111o\u1ea1n \\ ng\u1eaft cu\u1ed9c g\u1ecdi).<\/li>\n<\/ul>\n<p>N\u1ebfu s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i SIP, b\u1ea1n c\u1ea7n bi\u1ebft r\u1eb1ng kh\u00f4ng th\u1ec3 chuy\u1ec3n ti\u1ebfp cu\u1ed9c g\u1ecdi \u0111\u1ebfn h\u01a1n 10 \u0111i\u1ec7n tho\u1ea1i \u0111\u1ed3ng th\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i Sip Trong tr\u01b0\u1eddng h\u1ee3p k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i SIP c\u1ee7a b\u1ea1n kh\u00f4ng th\u00e0nh c\u00f4ng, vui l\u00f2ng ki\u1ec3m tra ph\u1ea7n sau: Kh\u1ea3 n\u0103ng th\u00eam \u0111\u1ecba ch\u1ec9 m\u00e1y ch\u1ee7 d\u00e0i. Khi b\u1ea1n k\u1ebft n\u1ed1i \u0111i\u1ec7n tho\u1ea1i nh\u00e2m nhi trong trang t\u00f9y ch\u1ecdn \u0111i\u1ec7n tho\u1ea1i ng\u01b0\u1eddi d\u00f9ng, b\u1ea1n c\u1ea7n th\u00eam \u0111\u1ecba ch\u1ec9 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":16424,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"tags":[],"ht_kb_category":[5227],"class_list":["post-8866","ht_kb","type-ht_kb","status-publish","format-standard","has-post-thumbnail","hentry","ht_kb_category-telephony"],"_links":{"self":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/8866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb"}],"about":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/comments?post=8866"}],"version-history":[{"count":0,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb\/8866\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media\/16424"}],"wp:attachment":[{"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/media?parent=8866"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/tags?post=8866"},{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/tino.vn\/blog\/wp-json\/wp\/v2\/ht_kb_category?post=8866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}