{"id":419,"date":"2016-10-12T13:46:27","date_gmt":"2016-10-12T10:46:27","guid":{"rendered":"https:\/\/web-mng.iptp.com\/?page_id=419"},"modified":"2021-04-26T05:14:47","modified_gmt":"2021-04-26T02:14:47","slug":"ip-telephony","status":"publish","type":"page","link":"https:\/\/www.iptp.us\/vi\/business-solutions\/integration-services\/ip-telephony\/","title":{"rendered":"Thi\u1ebft k\u1ebf m\u1ea1ng"},"content":{"rendered":"<h5>&#272;i&#7879;n tho&#7841;i IP\/Ethernet\/Gi&#7843;i ph&aacute;p m&#7841;ng kh&ocirc;ng d&acirc;y 802.11 b\/a<\/h5><hr><h6>Cung c&#7845;p h&#7879; th&#7889;ng m&#7841;ng kh&ocirc;ng d&acirc;y v&agrave; Ethernet :<\/h6><ul>\n<li>C&#7845;u tr&uacute;c m&#7841;ng d&#7921; ph&ograve;ng v&#7899;i vi&#7879;c linh &#273;&#7897;ng chuy&#7875;n &#273;&#7893;i d&#7921; ph&ograve;ng b&#7857;ng c&aacute;ch s&#7917; d&#7909;ng li&ecirc;n k&#7871;t giao th&#7913;c Rapid Spanning&shy;Tree;<\/li>\n<li>8000 Mbps (8Gbps) &#273;&#7847;y &#273;&#7911;-hai &#273;&#432;&#7901;ng x&#432;&#417;ng s&#7889;ng d&#7921; ph&ograve;ng gi&#7919;a c&aacute;c thi&#7871;t b&#7883; chuy&#7875;n &#273;&#7893;i l&otilde;i;<\/li>\n<li>Chuy&#7875;n &#273;&#7893;i Ethernet 100Mbps &#273;&#7847;y &#273;&#7911; k&#7871;t n&#7889;i &#273;&ocirc;i cho thi&#7871;t b&#7883; &#273;&#7847;u cu&#7889;i;<\/li>\n<li>Cisco POE (Ngu&#7891;n &#273;&#432;&#7907;c c&#7845;p qua Ethernet) cung c&#7845;p cho &#273;i&#7879;n tho&#7841;i IP v&agrave; &#273;i&#7875;m truy c&#7853;p m&#7841;ng kh&ocirc;ng d&acirc;y, s&#7917; d&#7909;ng c&aacute;p m&#7841;ng &#273;&#7875; cung c&#7845;p ngu&#7891;n cho thi&#7871;t b&#7883;;<\/li>\n<li>M&#7841;ng kh&ocirc;ng d&acirc;y dual-band 802.11b\/802.11a ph&#7911; s&oacute;ng c&aacute;c khu v&#7921;c c&#7909; th&#7875;;<\/li>\n<li>Chuy&#7875;n v&ugrave;ng c&#7911;a &#273;i&#7879;n tho&#7841;i v&agrave; laptop gi&#7919;a c&aacute;c &#273;i&#7875;m truy c&#7853;p m&agrave; kh&ocirc;ng b&#7883; gi&aacute;n &#273;o&#7841;n;<\/li>\n<li>Cung c&#7845;p QoS cho l&#432;u l&#432;&#7907;ng h&#7897;i tho&#7841;i trong m&#7841;ng kh&ocirc;ng d&acirc;y v&#7899;i dot1Q;<\/li>\n<li>Cung c&#7845;p QoS cho h&#7897;i tho&#7841;i v&agrave; video trong chuy&#7875;n m&#7841;ng Ethernet v&#7899;i dot1Q VLANs v&agrave; dot1P CoS (L&#7899;p d&#7883;ch v&#7909;);<\/li>\n<li>Qu&#7843;n l&yacute; t&#7915; xa thi&#7871;t b&#7883; chuy&#7875;n &#273;&#7893;i m&#7841;ng v&agrave; c&aacute;c &#273;i&#7875;m truy c&#7853;p kh&ocirc;ng d&acirc;y.<\/li>\n<\/ul><hr><p>M&#7841;ng l&#432;&#7899;i ph&acirc;n ph&#7889;i GSM &#273;&#432;&#7907;c &#273;&#7873; xu&#7845;t tr&ecirc;n t&agrave;u &#273;i&#7879;n &#273;&atilde; s&#7917; d&#7909;ng c&aacute;p STP Cat 5 &#273;&#7875; mang t&iacute;n hi&#7879;u RF 1,8 GHz gi&#7919;a NIB (M&#7841;ng trong h&#7897;p) v&agrave; v&agrave; anten GSM &#273;&#432;&#7907;c c&agrave;i &#273;&#7863;t tr&ecirc;n c&aacute;c boong kh&aacute;c nhau tr&ecirc;n t&agrave;u. H&#7879; th&#7889;ng bao ph&#7911; t&#7845;t c&#7843; c&aacute;c boong v&agrave; c&oacute; &#273;&#432;&#7901;ng k&iacute;nh 400m. Gi&#7843;i ph&aacute;p s&#7869; t&#7853;p trung v&agrave;o vi&#7879;c cung c&#7845;p m&#7897;t NIB duy nh&#7845;t m&agrave; l&agrave; ngu&#7891;n c&#7845;p d&#7919; li&#7879;u cho to&agrave;n b&#7897; m&#7841;ng.<\/p><hr><p><img decoding=\"async\" loading=\"lazy\" class=\"lazy alignnone size-full wp-image-698\" src=\"data:image\/gif;base64,R0lGODlhAQABAAD\/ACwAAAAAAQABAAACADs=\" data-src=\"https:\/\/web-mng.iptp.com\/wp-content\/uploads\/4.jpg\" alt=\"4\" width=\"775\" height=\"302\" srcset=\"https:\/\/www.iptp.us\/wp-content\/uploads\/4.jpg 775w, https:\/\/www.iptp.us\/wp-content\/uploads\/4-300x117.jpg 300w, https:\/\/www.iptp.us\/wp-content\/uploads\/4-768x299.jpg 768w\" sizes=\"(max-width: 775px) 100vw, 775px\"><\/p><noscript><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-698 lazy\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"4\" width=\"775\" height=\"302\" srcset=\"https:\/\/www.iptp.us\/wp-content\/uploads\/4.jpg 775w, https:\/\/www.iptp.us\/wp-content\/uploads\/4-300x117.jpg 300w, https:\/\/www.iptp.us\/wp-content\/uploads\/4-768x299.jpg 768w\" sizes=\"(max-width: 775px) 100vw, 775px\" data-src=\"https:\/\/web-mng.iptp.com\/wp-content\/uploads\/4.jpg\"><\/noscript><h6>H&#7879; th&#7889;ng GSM &#273;&atilde; &#273;&#432;&#7907;c thi&#7871;t k&#7871; &#273;&#7875; cung c&#7845;p nh&#432; sau:<\/h6><ul>\n<li>M&#7841;ng GSM on-board &#273;&#432;&#7907;c t&iacute;ch h&#7907;p m&#7897;t MSC (trung t&acirc;m chuy&#7875;n &#273;&#7893;i di &#273;&#7897;ng), a BSC (Tr&#7841;m &#273;i&#7873;u khi&#7875;n c&#417; s&#7903;) and m&#7897;t BTS (Tr&#7841;m thu ph&aacute;t s&oacute;ng c&#417; s&#7903;), l&agrave;m vi&#7879;c th&ocirc;ng th&#432;&#7901;ng &#7903; 1800 Mhz. M&#7841;ng ph&acirc;n ph&#7889;i GSM s&#7917; d&#7909;ng c&aacute;p STP Cat 5 &#273;&#7875; mang t&iacute;n hi&#7879;u 1.8 GHz RF gi&#7919;a NIB v&agrave; c&agrave;i &#273;&#7863;t anten GSM trong t&#7845;t c&#7843; c&aacute;c boong tr&ecirc;n t&agrave;u. H&#7879; th&#7889;ng bao ph&#7911; t&#7845;t c&#7843; c&aacute;c kh&ocirc;ng gian tr&ecirc;n t&agrave;u;<\/li>\n<li>C&ocirc;ng su&#7845;t l&ecirc;n &#273;&#7871;n 14 cu&#7897;c g&#7885;i &#273;&#7891;ng th&#7901;i;<\/li>\n<li>Kh&#7843; n&#259;ng g&#7885;i &#273;i&#7879;n tho&#7841;i mi&#7877;n ph&iacute; t&#7915; &#273;i&#7879;n tho&#7841;i &#273;&#259;ng k&yacute; GSM tr&ecirc;n m&aacute;y &#273;i&#7879;n tho&#7841;i IP tr&ecirc;n t&agrave;u;<\/li>\n<li>Kh&#7843; n&#259;ng g&#7885;i &#273;i&#7879;n tho&#7841;i mi&#7877;n ph&iacute; t&#7915; &#273;i&#7879;n tho&#7841;i &#273;&#259;ng k&yacute; GSM t&#7899;i m&#7897;t &#273;i&#7879;n tho&#7841;i &#273;&#259;ng k&yacute; GSM kh&aacute;c;<\/li>\n<li>Kh&#7843; n&#259;ng g&#7885;i &#273;i&#7879;n tho&#7841;i mi&#7877;n ph&iacute; t&#7915; &#273;i&#7879;n tho&#7841;i &#273;&#259;ng k&yacute; GSM t&#7899;i c&aacute;c &#273;i&#7875;m qu&#7889;c t&#7871; th&ocirc;ng qua VoIP;<\/li>\n<li>Kh&#7843; n&#259;ng nh&#7853;n c&aacute;c cu&#7897;c g&#7885;i &#273;&#7871;n mi&#7877;n ph&iacute; t&#7915; &#272;i&#7879;n tho&#7841;i IP c&#7911;a t&agrave;u &#273;&#7871;n c&aacute;c &#273;i&#7879;n tho&#7841;i di &#273;&#7897;ng &#273;&atilde; &#273;&#259;ng k&yacute; GSM;<\/li>\n<li>Chuy&#7875;n v&ugrave;ng &#273;i&#7879;n tho&#7841;i GSM cho c&aacute;c cu&#7897;c g&#7885;i &#273;&#7871;n v&agrave; &#273;i, v&#7899;i &#273;i&#7873;u ki&#7879;n l&agrave; s&#7869; c&oacute; th&#7887;a thu&#7853;n k&#7871;t n&#7889;i v&#7899;i nh&agrave; cung c&#7845;p GSM tr&ecirc;n &#273;&#7845;t li&#7873;n;<\/li>\n<li>Kh&#7843; n&#259;ng qu&#7843;n l&yacute; t&#7915; xa c&#7911;a m&#7841;ng GSM.<\/li>\n<\/ul><hr><p>M&#7841;ng truy&#7873;n t&#7843;i video theo th&#7901;i gian th&#7921;c t&#7871; &#273;&#432;&#7907;c th&#7921;c hi&#7879;n tr&ecirc;n c&aacute;c t&agrave;u l&#7899;n s&#7917; d&#7909;ng IP l&agrave;m giao th&#7913;c c&#7911;a nh&agrave; cung c&#7845;p d&#7883;ch v&#7909;. H&#7879; th&#7889;ng &#273;&#432;&#7907;c thi&#7871;t k&#7871; nh&#7853;n 20 ch&#432;&#417;ng tr&igrave;nh video k&#7929; thu&#7853;t s&#7889; t&#7915; v&#7879; tinh. T&#7845;t c&#7843; c&aacute;c k&ecirc;nh video &#273;&#432;&#7907;c l&#7921;a ch&#7885;n &#273;&#432;&#7907;c chia nh&#7887; th&agrave;nh nh&#7919;ng lu&#7891;ng truy&#7873;n t&#7843;i ch&#432;&#417;ng tr&igrave;nh &#273;&#417;n l&#7867; tr&#432;&#7899;c khi &#273;&oacute;ng g&oacute;i IP. IP multicast s&#7917; d&#7909;ng UDP &#273;&#7875; truy&#7873;n t&#7843;i tr&#7921;c ti&#7871;p cho ng&#432;&#7901;i d&ugrave;ng trong m&#7895;i ph&ograve;ng tr&ecirc;n t&agrave;u thuy&#7873;n.<\/p><h6>Thi&#7871;t b&#7883; m&#7841;ng ph&acirc;n ph&#7889;i cung c&#7845;p nh&#432; sau:<\/h6><ul>\n<li>20 k&ecirc;nh TV MPEG-2 &#273;&#432;&#7907;c m&atilde; h&oacute;a lu&#7891;ng t&#7899;i ng&#432;&#7901;i d&ugrave;ng cu&#7889;i;<\/li>\n<li>Truy c&#7853;p m&aacute;y ch&#7911; Access to Audio-on-Demand bao g&#7891;m h&#417;n m&#7897;t v&agrave;i ngh&igrave;n d&ograve;ng ;<\/li>\n<li>Truy c&#7853;p m&aacute;y ch&#7911; Video-on-Demand bao g&#7891;m h&#417;n 1 ngh&igrave;n d&ograve;ng;<\/li>\n<li>H&#7879; th&#7889;ng gi&#7843;i ph&aacute;p th&igrave; linh ho&#7841;t sao cho h&#7879; th&#7889;ng c&oacute; th&#7875; d&#7877; d&agrave;ng m&#7903; r&#7897;ng.<\/li>\n<\/ul><p><img decoding=\"async\" loading=\"lazy\" class=\"lazy size-full wp-image-699 alignleft\" src=\"data:image\/gif;base64,R0lGODlhAQABAAD\/ACwAAAAAAQABAAACADs=\" data-src=\"https:\/\/web-mng.iptp.com\/wp-content\/uploads\/5.jpg\" alt=\"5\" width=\"628\" height=\"168\" srcset=\"https:\/\/www.iptp.us\/wp-content\/uploads\/5.jpg 628w, https:\/\/www.iptp.us\/wp-content\/uploads\/5-300x80.jpg 300w\" sizes=\"(max-width: 628px) 100vw, 628px\"><\/p><noscript><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-699 alignleft lazy\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" alt=\"5\" width=\"628\" height=\"168\" srcset=\"https:\/\/www.iptp.us\/wp-content\/uploads\/5.jpg 628w, https:\/\/www.iptp.us\/wp-content\/uploads\/5-300x80.jpg 300w\" sizes=\"(max-width: 628px) 100vw, 628px\" data-src=\"https:\/\/web-mng.iptp.com\/wp-content\/uploads\/5.jpg\"><\/noscript><p>L&#432;u tr&#7919; n&#7897;i dung 750 gi&#7901; (4.4 Tbyte). Ngu&#7891;n n&#259;ng l&#432;&#7907;ng s&#7861;n s&agrave;ng &#7903; 220V AC, v&agrave; ngu&#7891;n th&#432;&#7901;ng th&igrave; s&#7917; d&#7909;ng UPS.<\/p><p>H&#7879; th&#7889;ng cung &#7913;ng ngu&#7891;n &#273;i&#7879;n d&#7921; ph&ograve;ng th&#432;&#7901;ng mang &#273;i&#7879;n b&#7857;ng 2 c&#7863;p c&aacute;p bi&#7875;n N2XH-J 5x4mm2 (2Ph+2N+1G) gi&#7919;a ph&ograve;ng m&aacute;y ch&#7911; v&agrave; ph&ograve;ng ph&aacute;t s&oacute;ng. Gi&#7843;i ph&aacute;p s&#7869; t&#7853;p trung cung c&#7845;p ngu&#7891;n &#273;i&#7879;n d&#7921; ph&ograve;ng cho t&#7845;t c&#7843; c&aacute;c thi&#7871;t b&#7883; trong c&aacute;c k&#7879; ph&aacute;t s&oacute;ng v&agrave; m&aacute;y ch&#7911;.<\/p><h6>H&#7879; th&#7889;ng &#273;i&#7879;n kh&ocirc;ng b&#7883; gi&aacute;n &#273;o&#7841;n &#273;&#432;&#7907;c thi&#7871;t k&#7871; &#273;&#7875; cung c&#7845;p nh&#432; sau :<\/h6><ul>\n<li>B&#7843;o &#273;&#7843;m d&#7921; ph&ograve;ng;<\/li>\n<li>Cung c&#7845;p ngu&#7891;n cho t&#7845;t c&#7843; thi&#7871;t b&#7883; &#273;i&#7879;n trong ph&ograve;ng server v&agrave; ph&ograve;ng ph&aacute;t s&oacute;ng.<\/li>\n<li>H&#417;n th&#7871; n&#7919;a, h&#7879; th&#7889;ng ngu&#7891;n cung c&#7845;p n&#259;ng l&#432;&#7907;ng &#273;&aacute;ng k&#7875; cho nh&#7919;ng thi&#7871;t b&#7883; kh&aacute;c.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>  \u0110i\u1ec7n tho\u1ea1i IP\/ Ethernet\/ Gi\u1ea3i ph\u00e1p m\u1ea1ng kh\u00f4ng d\u00e2y 802.11 b\/a<\/p>\n<p> Cung c\u1ea5p h\u1ec7 th\u1ed1ng m\u1ea1ng kh\u00f4ng d\u00e2y v\u00e0 Ethernet : <\/p>\n<p> \t C\u1ea5u tr\u00fac m\u1ea1ng d\u1ef1 ph\u00f2ng &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":417,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/419"}],"collection":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/comments?post=419"}],"version-history":[{"count":124,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/419\/revisions"}],"predecessor-version":[{"id":20243,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/419\/revisions\/20243"}],"up":[{"embeddable":true,"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/pages\/417"}],"wp:attachment":[{"href":"https:\/\/www.iptp.us\/vi\/wp-json\/wp\/v2\/media?parent=419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}