Instalación e implementación de una central telefónica nbx (network branch exchange) en la planta icesa-orve ubicada en Guayaquil
The current paper presents the implementation of a NBX central telephone office like a technological alternative of IP telephony, to replace a Private Branch Exchange (PBX) system. First, an analysis of the present infrastructure of the communications network, and the reasons that motivate to change...
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| 格式: | article |
| 語言: | spa |
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2009
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| 在線閱讀: | http://www.dspace.espol.edu.ec/handle/123456789/8035 |
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