Option 1
2 Analogue Lines + 4 Analogue Phone Extensions
3 Channel VoIP card
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Option 2
4 Analogue Lines + 8 Analogue Phone Extensions
3 Channel VoIP card
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Option 3
4 Analogue Lines + 4 Analogue & 8 Digital Phone Extensions
3 Channel VoIP card
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Option 4
4 Analogue Lines + 4 Analogue & 8 Digital Phone Extensions
16 Channel VoIP card
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