\select@language {spanish}
\contentsline {section}{\numberline {0.1}¿Qu\'e es una PBX?}{1}
\contentsline {section}{\numberline {0.2}Telefon\'ia}{2}
\contentsline {subsection}{\numberline {0.2.1}E1s, T1s}{2}
\contentsline {subsubsection}{E1}{2}
\contentsline {subsubsection}{T1}{3}
\contentsline {subsection}{\numberline {0.2.2}se\~nalizaci\'on}{3}
\contentsline {section}{\numberline {0.3}Convergencia de datos y voz}{4}
\contentsline {subsubsection}{Protocolos para Voz sobre IP}{4}
\contentsline {subsection}{\numberline {0.3.1}Entendiendo mejor SIP}{5}
\contentsline {subsection}{\numberline {0.3.2}RTP y Codecs}{7}
\contentsline {subsection}{\numberline {0.3.3}Asterisk PBX}{9}