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We have many extension sockets in the house therefore be fairly expensive to buy an ata for each phone. Since extension sockets are daisy chained together, could I just plug it into the FXS socket instead of the BT master socket? Or is the FXS port strictly for one phone only?

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1 Answer 1

Most ATA FXS port can support multiple phones... they're typically spec for 3 to 5 REN. So should be ok.

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