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@font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:0; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:-1610611985 1107304683 0 0 159 0;} @font-face {font-family:Times; panose-1:2 2 6 3 5 4 5 2 3 4; mso-font-charset:0; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:536881799 -2147483648 8 0 511 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-unhide:no; mso-style-qformat:yes; mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; mso-bidi-font-size:10.0pt; font-family:"Times","serif"; mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman"; mso-ansi-language:EN-US; mso-fareast-language:ES;} p.Textonormal, li.Textonormal, div.Textonormal {mso-style-name:"Texto normal"; mso-style-unhide:no; mso-style-parent:""; margin-top:0cm; margin-right:0cm; margin-bottom:4.0pt; margin-left:0cm; text-align:justify; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:ES; mso-fareast-language:ES;} .MsoChpDefault {mso-style-type:export-only; mso-default-props:yes; font-size:10.0pt; mso-ansi-font-size:10.0pt; mso-bidi-font-size:10.0pt;} @page Section1 {size:612.0pt 792.0pt; margin:70.85pt 3.0cm 70.85pt 3.0cm; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> <!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabla normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} </style> <![endif]--> <p class="Textonormal"><em><span lang="ES">La transmisión de voz sobre redes de datos, es sin duda alguna el futuro de toda comunicación a nivel global, la cual se apoya en una serie de protocolos para la señalización y control de la llamada. El desarrollo de medios capaces de manejar comunicaciones de voz, video y datos de manera eficiente, ocasionará en el futuro cambio en precios, operación y estructura de negocios, modificando la naturaleza de la economía en el mercado de las telecomunicaciones. Estos sistemas deben contar con una infraestructura de conmutación y de transporte de datos para lograr un servicio flexible de control de elementos. La plataforma telefónica código abierto Asterisk, está diseñada para interactuar de forma consistente con el software y hardware telefónico existente, logrando la interconexión entre los diferentes protocolos de señalización, de una forma transparente para el usuario final. En este trabajo se proponen algunos procedimientos de diseño e implementación de pasarelas con líneas troncales de acceso a la Red Telefónica Pública Conmutada (PSTN), y su configuración para interoperar entre los distintos estándares de señalización de llamada.</span></em></p>
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