描述
24-port VoIP Gateway (12*FXS + 12*FXO) – SIP/H.323
24-port VoIP Gateway (12*FXS + 12*FXO) – SIP/H.323
VIP-2480 / 24-port VoIP Gateway (12*FXS + 12*FXO) – SIP/H.323
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24-port VoIP Gateway (24*FXS) – SIP/H.323
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