{"id":5249,"date":"2016-07-28T07:51:33","date_gmt":"2016-07-28T12:51:33","guid":{"rendered":"https:\/\/www.servimatango.com\/blog\/?p=5249"},"modified":"2019-06-11T10:52:46","modified_gmt":"2019-06-11T15:52:46","slug":"codecs-utilizados-en-voip","status":"publish","type":"post","link":"https:\/\/servervoip.com\/blog\/codecs-utilizados-en-voip\/","title":{"rendered":"Codecs utilizados en VoIP"},"content":{"rendered":"<p>Los codecs m\u00e1s utilizados para transmitir Voz sobre  IP son los siguientes: <\/p>\n<p><strong>G.711  <\/strong><br \/>\nEste codec es un est\u00e1ndar de la ITU-T, codifica la  voz a 64 Kbps utilizando  PCM. G.711 usualmente esta descrito como un descompresor que utiliza la  misma frecuencia de muestreo de la telefon\u00eda tradicional, adem\u00e1s este codec  posee una calificaci\u00f3n MOS de 4.2, sin embargo utiliza una gran cantidad de  ancho de banda para su transmisi\u00f3n, puede ser utilizado en entornos LAN por  ejemplo tel\u00e9fonos IP conectados en redes de 100Mbps . Existen 2 algoritmos  principales que definen este est\u00e1ndar, el algoritmo mu-law (utilizado en Norte  Am\u00e9rica y Jap\u00f3n) y el algoritmo a-law (utilizado en Europa y el resto del  mundo).   <\/p>\n<p><strong>G.729  <\/strong><br \/>\nEste codec es un est\u00e1ndar de la ITU-T, codifica la  voz a 8 Kbps utilizando  CS-ACELP (predicci\u00f3n lineal de c\u00f3digo algebraico ex citado en estructura  conjugada), G.729 posee una frecuencia de muestreo  de 8 KHz y utiliza un  tama\u00f1o de cuadro de 10ms. Este codec posee una calificaci\u00f3n MOS de 4.0.  Este es el codec habitualmente utilizado en aplicaciones de Voz sobre IP,  debido a que brinda una alta compresi\u00f3n, esto quiere decir que utiliza poco  ancho de banda para su transmisi\u00f3n, dicho de otra manera, tiene el balance  justo entre una buena calidad de voz (sonido) y eficiencia en el uso de ancho  de banda.   <\/p>\n<p>\n<div id=\"rev_slider_3_1_wrapper\" class=\"rev_slider_wrapper fullwidthbanner-container\" style=\"float:left;background-color:#E9E9E9;padding:0px;margin-left:0px;margin-right:0px;margin-top:0px;margin-bottom:0px;\">\n<!-- START REVOLUTION SLIDER 5.0.9 auto mode -->\n\t<div id=\"rev_slider_3_1\" class=\"rev_slider fullwidthabanner\" style=\"display:none;\" data-version=\"5.0.9\">\n<ul>\t<!-- SLIDE  -->\n\t<li data-index=\"rs-28\" data-transition=\"random\" data-slotamount=\"7\"  data-easein=\"default\" data-easeout=\"default\" data-masterspeed=\"300\"  data-thumb=\"\"  data-rotate=\"0\"  data-saveperformance=\"off\"  class=\"voipswitch videos subtitulos\" id=\"voipswitch videos subtitulos\" voipswitch videos subtitulos data-title=\"SubtitulosTexto\" data-description=\"\">\n\t\t<!-- MAIN IMAGE -->\n\t\t<img src=\"https:\/\/servervoip.com\/blog\/wp-content\/plugins\/revslider\/admin\/assets\/images\/dummy.png\"  alt=\"\"  width=\"879\" height=\"51\" data-lazyload=\"https:\/\/servervoip.com\/blog\/wp-content\/plugins\/revslider\/admin\/assets\/images\/transparent.png\" data-bgposition=\"center top\" data-bgfit=\"cover\" data-bgrepeat=\"no-repeat\" class=\"rev-slidebg\" data-no-retina>\n\t\t<!-- LAYERS -->\n\n\t\t<!-- LAYER NR. 1 -->\n\t\t<div class=\"tp-caption   tp-resizeme\" \n\t\t\t id=\"slide-28-layer-2\" \n\t\t\t data-x=\"\" \n\t\t\t data-y=\"1\" \n\t\t\t\t\t\tdata-width=\"['none','none','none','none']\"\n\t\t\tdata-height=\"['none','none','none','none']\"\n\t\t\tdata-transform_idle=\"o:1;\"\n \n\t\t\t data-transform_in=\"opacity:0;s:300;e:Power2.easeInOut;\" \n\t\t\t data-transform_out=\"opacity:0;s:300;s:300;\" \n\t\t\tdata-start=\"500\" \n\t\t\tdata-responsive_offset=\"on\" \n\n\t\t\t\n\t\t\tstyle=\"z-index: 5;\">\n\t\t\t\t<div class=\"rs-looped disabled\" ><img src=\"https:\/\/servervoip.com\/blog\/wp-content\/plugins\/revslider\/admin\/assets\/images\/dummy.png\" alt=\"\" data-ww=\"879\" data-hh=\"51\" data-lazyload=\"https:\/\/www.servervoip.com\/blog\/wp-content\/uploads\/2015\/10\/fondo-en-degradado-con-signod-copia.jpg\" data-no-retina> \n\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t<!-- LAYER NR. 2 -->\n\t\t<div class=\"tp-caption mediumbgorange   tp-resizeme\" \n\t\t\t id=\"slide-28-layer-1\" \n\t\t\t data-x=\"6\" \n\t\t\t data-y=\"5\" \n\t\t\t\t\t\tdata-width=\"['653']\"\n\t\t\tdata-height=\"['41']\"\n\t\t\tdata-transform_idle=\"o:1;\"\n \n\t\t\t data-transform_in=\"opacity:0;s:300;e:Power3.easeInOut;\" \n\t\t\t data-transform_out=\"auto:auto;s:300;\" \n\t\t\tdata-start=\"500\" \n\t\t\tdata-splitin=\"none\" \n\t\t\tdata-splitout=\"none\" \n\t\t\tdata-responsive_offset=\"on\" \n\n\t\t\t\n\t\t\tstyle=\"z-index: 6; 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style=\"display:none;\" data-version=\"5.0.9\">\n<ul>\t<!-- SLIDE  -->\n\t<li data-index=\"rs-15\" data-transition=\"random\" data-slotamount=\"7\"  data-easein=\"default\" data-easeout=\"default\" data-masterspeed=\"300\"  data-link=\"http:\/\/www.servervoip.com\/voipswitch-comprar.php?server=50_promo\"  data-target=\"_blank\"  data-slideindex=\"back\" data-thumb=\"https:\/\/servervoip.com\/blog\/wp-content\/uploads\/2015\/10\/fondo-slider-con-letras31-100x50.jpg\"  data-rotate=\"0\"  data-saveperformance=\"off\"  data-title=\"Slide\" data-description=\"\">\n\t\t<!-- MAIN IMAGE -->\n\t\t<img src=\"https:\/\/servervoip.com\/blog\/wp-content\/plugins\/revslider\/admin\/assets\/images\/dummy.png\"  alt=\"\"  width=\"879\" height=\"262\" data-lazyload=\"https:\/\/servervoip.com\/blog\/wp-content\/uploads\/2015\/10\/fondo-slider-con-letras31.jpg\" data-bgposition=\"center top\" data-bgfit=\"cover\" data-bgrepeat=\"no-repeat\" class=\"rev-slidebg\" data-no-retina>\n\t\t<!-- LAYERS 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height=\"262\" data-lazyload=\"https:\/\/servervoip.com\/blog\/wp-content\/uploads\/2015\/10\/fondo-slider-con-letras52.jpg\" data-bgposition=\"center top\" data-bgfit=\"cover\" data-bgrepeat=\"no-repeat\" class=\"rev-slidebg\" data-no-retina>\n\t\t<!-- LAYERS -->\n\t<\/li>\n\t<!-- SLIDE  -->\n\t<li data-index=\"rs-18\" data-transition=\"random\" data-slotamount=\"7\"  data-easein=\"default\" data-easeout=\"default\" data-masterspeed=\"300\"  data-link=\"http:\/\/www.serverpbx.com\/central-telefonica-pagos.php\"   data-slideindex=\"back\" data-thumb=\"https:\/\/servervoip.com\/blog\/wp-content\/uploads\/2015\/10\/fondo-slider-con-letras61-100x50.jpg\"  data-rotate=\"0\"  data-saveperformance=\"off\"  data-title=\"Slide\" data-description=\"\">\n\t\t<!-- MAIN IMAGE -->\n\t\t<img src=\"https:\/\/servervoip.com\/blog\/wp-content\/plugins\/revslider\/admin\/assets\/images\/dummy.png\"  alt=\"\"  width=\"879\" height=\"262\" 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htmlDiv = document.getElementById('rs-plugin-settings-inline-css');\r\n\t\t\t\t\tif(htmlDiv) {\r\n\t\t\t\t\t\thtmlDiv.innerHTML = htmlDiv.innerHTML + htmlDivCss;\r\n\t\t\t\t\t}\r\n\t\t\t\t\telse{\r\n\t\t\t\t\t\tvar htmlDiv = document.createElement('div');\r\n\t\t\t\t\t\thtmlDiv.innerHTML = '<style>' + htmlDivCss + '<\/style>';\r\n\t\t\t\t\t\tdocument.getElementsByTagName('head')[0].appendChild(htmlDiv.childNodes[0]);\r\n\t\t\t\t\t}\r\n\t\t\t\t  <\/script>\r\n\t\t\t\t<\/div><!-- END REVOLUTION SLIDER --><br \/>\n&nbsp;<\/p>\n<hr \/>\n<p><strong>G.723 <\/strong><br \/>\nEste codec es un est\u00e1ndar de la ITU-T, presenta un  algoritmo de baja tasa de  compresi\u00f3n, posee dos versiones, 5.3 Kbps, 6.4 Kbps , G.723 brinda bajo  ancho de banda para su transmisi\u00f3n. Este codec posee una calificaci\u00f3n MOS  de 3.9. Este codec es adecuado en conexiones WAN de bajo ancho de banda.   <\/p>\n<div id=\"attachment_5250\" style=\"width: 779px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-5250\" loading=\"lazy\" src=\"https:\/\/www.servimatango.com\/blog\/wp-content\/uploads\/Ancho-de-banda-aproximando-utilizado-e.png\" alt=\"Ancho de banda aproximando utilizado e n una llamada externa\" width=\"769\" height=\"346\" class=\"size-full wp-image-5250\" srcset=\"https:\/\/servervoip.com\/blog\/wp-content\/uploads\/Ancho-de-banda-aproximando-utilizado-e.png 769w, https:\/\/servervoip.com\/blog\/wp-content\/uploads\/Ancho-de-banda-aproximando-utilizado-e-150x67.png 150w, https:\/\/servervoip.com\/blog\/wp-content\/uploads\/Ancho-de-banda-aproximando-utilizado-e-300x135.png 300w\" sizes=\"(max-width: 769px) 100vw, 769px\" \/><p id=\"caption-attachment-5250\" class=\"wp-caption-text\">Ancho de banda aproximando utilizado en una llamada externa<\/p><\/div>\n<p>Tomado de:<br \/>\nVictor Hugo, L.Ch.(2011). An\u00e1lisis de la paquetizaci\u00f3n de voz sobre ip, empleando el protocolo de inicio de session SIP con back to back user agent (B2BUA) en un aplicaci\u00f3n sobre redes wi-fi. (tesis de pregrado). Escuela Polit\u00e9cnica del Ejercito. Sangolqu\u00ed, Ecuador.<\/p>\n<p>Fuente:<br \/>\nhttp:\/\/repositorio.espe.edu.ec\/bitstream\/21000\/4845\/1\/T-ESPE-032947.pdf<\/p>\n<h2>Telefon\u00eda VoIP con SoftSwitch<\/h2>\n<p><strong>ServerVoIP<\/strong> te proporciona todas las herramientas necesarias para que crees y desarrolles <strong>tu negocio de comunicaci\u00f3n por internet.<\/strong><\/p>\n<p>Pertenece al Selecto Grupo de Emprendedores que decidieron cambiar su vida invirtiendo en un <strong>Server con ServerVoIP.<\/strong><\/p>\n<p><a href=\"http:\/\/www.servervoip.com\/voipswitch-pagos\"><img loading=\"lazy\" src=\"https:\/\/www.servimatango.com\/blog\/wp-content\/uploads\/2015\/08\/tarjeta1-292x300.png\" alt=\"empresario\" width=\"292\" height=\"300\" class=\"aligncenter size-medium wp-image-4092\" \/><\/a><br \/>\n[st_button button_text=\u00bb SOLICITA TU SERVER AHORA \u25ba\u00bb button_type_url=\u00bbhttp:\/\/www.servervoip.com\/voipswitch-comprar.php?server=50_promo\u00bb open_in=\u00bbnew_window\u00bb icon=\u00bbfa fa-shopping-cart\u00bb button_alignment=\u00bbcenter\u00bb button_margin_top=\u00bb-50&#8243; button_margin_bottom=\u00bb-20&#8243; button_size=\u00bbbtn-lg\u00bb button_color=\u00bbbtn-blue\u00bb appearing_animation=\u00bbfade_in\u00bb wrapper_padding_top=\u00bb0&#8243; wrapper_padding_left=\u00bb0&#8243; wrapper_padding_bottom=\u00bb0&#8243; wrapper_padding_right=\u00bb0&#8243; wrapper_bg_opacity_slider=\u00bb\u00bb id_wrapper=\u00bbelm_5c828b817a1ca\u00bb ][\/st_button]<br \/>\n&nbsp;<\/p>\n<p><strong>ServerVoip <\/strong>presenta el mejor server fisico dedicado para telefonia voip que incluye el software de telefon\u00eda ip \u00abVoipSwitch\u00bb especial para voz sobre ip.<\/p>\n<p><strong>VoipSwitch <\/strong>es la plataforma ideal para que sin necesidad de conocimientos t\u00e9cnicos crees tu propia empresa de Telefon\u00eda IP VoIP y encuentres una forma de ganar DINERO en la red siendo carrier de telefon\u00eda sobre Ip (Voip). <\/p>\n<p>Te brindamos todas las herramientas para que est\u00e9s al nivel de las grandes empresas y negocios; puedas obsequiar llamadas gratis como estrategia de marketing en fidelizaci\u00f3n a tus clientes \/ free entre tus clientes; el servidor VoIP te permite utilizar m\u00faltiples proveedores como nosotros tenemos <a href=\"http:\/\/www.alosip.com\/\" target=\"_blank\"  rel=\"noopener noreferrer\">www.alosip.com.<\/a>  (carrier \/ routes) para un mismo destino, vender terminaci\u00f3n (wholesale), clientes finales (retail), etc.<\/p>\n<p>El software te proporciona todo lo que necesitas; sistema llave en mano: para crear tu empresa de telefon\u00eda IP (VoIP) bajo tu propio nombre o marca. M\u00e1s informaci\u00f3n en  <a href=\"http:\/\/marcablanca.servervoip.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">marcaBlanca.servervoip.com<\/a><\/p>\n<p>Para que CREES y DESARROLLES tu propia empresa de telefonia por internet, revisa m\u00e1s detalles en <a href=\"http:\/\/www.servervoip.com\/voipswitch\/\" >VoIPSwitch<\/a><\/p>\n<hr \/>\n<h1 style=\"text-align: center;\">\u00bfQuieres Emprender por Internet?<\/h1>\n<h3 style=\"text-align: center;\">\u00abAhora Trabajar desde la Comodidad de tu Casa y Ganar Dinero por Internet&#8230; Nunca Hab\u00eda Sido tan F\u00e1cil, R\u00e1pido y con RESULTADOS Impresionantes\u00bb<\/h3>\n<p style=\"text-align: center;\">Descubre el NEGOCIO Perfecto y convi\u00e9rtete en un EMPRESARIO de \u00c9xito creando y desarrollando tu Propia Empresa de Telefon\u00eda por Internet. <strong>Suscr\u00edbete y RECIBE FREE<\/strong>:<\/p>\n<h2 style=\"text-align: center;\">\u00a1Sie7e Poderosas Razones Que Tiene el EMPRENDEDOR Exitoso para Crear su Propia Empresa de Telefon\u00eda por Internet VoIP!&#8230;<\/h2>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-1229 size-medium\" src=\"http:\/\/servimatango.com\/negocios-rentables\/wp-content\/uploads\/2015\/07\/libro-server-voip-241x300.png\" alt=\"libro server voip\" width=\"241\" height=\"300\" \/><br \/>\n[st_accordion div_margin_bottom=\u00bb15&#8243; initial_open=\u00bb0&#8243; multi_open=\u00bbyes\u00bb wrapper_padding_top=\u00bb0&#8243; wrapper_padding_left=\u00bb0&#8243; wrapper_padding_bottom=\u00bb0&#8243; wrapper_padding_right=\u00bb0&#8243; wrapper_bg_opacity_slider=\u00bb\u00bb wrapper_bg_opacity=\u00bb50&#8243; wrapper_border_style=\u00bboutset\u00bb wrapper_rounded_topleft=\u00bb3&#8243; id_wrapper=\u00bbelm_5c828b0bd3fa6&#8243; ][st_item_accordion heading=\u00bb<img class=aligncenter src=http:\/\/servimatango.com\/negocios-rentables\/wp-content\/uploads\/2015\/07\/Boton-descarga-reporte.gif alt=Reporte width=500 height=145 \/>\u00bb id_wrapper=\u00bbelm_5c828b0bd3f58&#8243; ]<center><script type=\"text\/javascript\" src=\"http:\/\/app.getresponse.com\/view_webform.js?wid=10619501&#038;u=kSvx\"><\/script><\/center>[\/st_item_accordion][\/st_accordion]<\/p>\n<p><a href=\"https:\/\/www.servimatango.com\/blog\/bancos-en-ecuador\/\">Bancos en Ecuador para Alquilar un VoIPSwitch Server<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los codecs m\u00e1s utilizados para transmitir Voz sobre IP son los siguientes: G.711 Este codec es un est\u00e1ndar de la ITU-T, codifica la voz a 64 Kbps utilizando PCM. G.711 usualmente esta descrito como un descompresor que utiliza la misma frecuencia de muestreo de la telefon\u00eda tradicional, adem\u00e1s este codec posee una calificaci\u00f3n MOS de&#8230;<\/p>\n<p><a class=\"excerpt-read-more btn btn-primary\" href=\"https:\/\/servervoip.com\/blog\/codecs-utilizados-en-voip\/\" title=\"ReadCodecs utilizados en VoIP\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":5251,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"video","meta":[],"categories":[13],"tags":[940,133,721,134,28,18],"_links":{"self":[{"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/posts\/5249"}],"collection":[{"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/comments?post=5249"}],"version-history":[{"count":0,"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/posts\/5249\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/media\/5251"}],"wp:attachment":[{"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/media?parent=5249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/categories?post=5249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/servervoip.com\/blog\/wp-json\/wp\/v2\/tags?post=5249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}