DrayTek (Vigor-3510-FXS) – 4 ports FXS card for Vigor-IPPBX-3510(SIP/MGCP)

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描述

牌子︰DrayTek 
型號︰Vigor-3510-FXS

4 ports FXS card for Vigor-IPPBX-3510(SIP/MGCP)