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What are FXS and FXO ports and what is the difference? | Yeastar
FXO/FXS Gateways
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What are FXS and FXO •• Analog ports | 3CX
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What are FXS and FXO •• Analog ports | 3CX
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What do FXS and FXO mean? Check our Askozia FAQs
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Knowledgebase - What do the terms FXS and FXO mean? | Amernet
