# rollback0


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- [¿Cómo detectar la impedancia en puertos FXO?](https://white-pigeon-493303.hostingersite.com/como-detectar-la-impedancia-en-puertos-fxo/): La impedancia en los puertos FXO (Foreign Exchange Office) de una IP-PBX (Private Branch Exchange) es un factor crítico para garantizar una correcta operación y calidad en las comunicaciones telefónicas.

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