... secure network.WX IP PBX Advantages Two telco analog ports to phone/fax machine or PSTNSIP trunk connection ... service through firmware upgrade2. SOHO ApplicationSOHOProvides wireless data and voice communicationSmartphone with extension number ... b/g/n, 802.11s/e/r/I, 802.3,802.3uProtocol: 802.1d/p ... transferIncoming calls DID, caller ID, call rejection, do not disturb, CRBT, call waiting, forking, call ...